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{{Distinguish|Adblock}}
{{Distinguish|Adblock}}
{{Advert|date=June 2021}}
{{Advert|date=June 2021}}

{{Use American English|date=September 2022}}
{{Use mdy dates|date=December 2018}}
{{Infobox company
{{Infobox company
| name = AdGuard Software Limited
| name = AdGuard
| logo = AdGuard.svg
| logo = AdGuard.svg
| genre = [[Utility software|Utility]] <br/> [[Browser extension]] <br/> [[Server (computing)|Server]] <br/> [[DNS resolver]]
| genre = [[Utility software|Utility]] <br/> [[Browser extension]] <br/> [[Server (computing)|Server]] <br/> [[DNS resolver]]
| website = [https://adguard.com adguard.com]
| website = [https://adguard.com adguard.com]
}}
}}
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'''AdGuard''' is an [[Ad blocker|ad blocking]] service for [[Microsoft Windows]], [[Linux]], [[MacOS]], [[Android (operating system)|Android]] and [[iOS]]. AdGuard is also available as a [[browser extension]].<ref>Andrew Orr [https://www.macobserver.com/news/adguard-pro-discontinued/ "AdGuard Pro is Being Discontinued due to App Store Policy"] {{Webarchive|url=https://web.archive.org/web/20190921041353/https://www.macobserver.com/news/adguard-pro-discontinued/ |date=September 21, 2019 }}, MacObserver.com, July 23, 2018</ref>

⚫
Developed by AdGuard Software Limited, '''AdGuard''' offers [[open-source software|open source]], free, and [[shareware]] products. AdGuard's DNS app supports [[Microsoft Windows]], [[Linux]], [[macOS]], [[Android (operating system)|Android]] and [[iOS]]. AdGuard is also available as a [[browser extension]].<ref>Andrew Orr [https://www.macobserver.com/news/adguard-pro-discontinued/ "AdGuard Pro is Being Discontinued due to App Store Policy"] {{Webarchive|url=https://web.archive.org/web/20190921041353/https://www.macobserver.com/news/adguard-pro-discontinued/ |date=September 21, 2019 }}, MacObserver.com, July 23, 2018</ref>

AdGuard Software Limited was founded in 2009 in [[Moscow]].<ref>https://adguard.com/de/contacts.html "The birth of AdGuard. Moscow, 2009."</ref> In 2014 '''AdGuard Software Limited's''' products became available in [[Cyprus]] to where its headquarters were subsequently moved.<ref>Republic of Cyprus, Ministry of Commerce, Industry and Tourism - Department of Registrar of Companies and Official Receiver [https://efiling.drcor.mcit.gov.cy/DrcorPublic/SearchResults.aspx?name=%25&number=332952&searchtype=optStartMatch&index=1&lang=EN&tname=%25&sc=1&cultureInfo=en-AU]</ref><ref>[https://adguard.com/en/eula.html "...ADGUARD SOFTWARE LIMITED, a company incorporated according to the laws of the Republic of Cyprus."]</ref>


== Features ==
== Features ==

AdGuard features include:


=== AdGuard Home ===
=== AdGuard Home ===


AdGuard Home acts as a recursive DNS resolver, which prevents most advertisements from displaying by responding with an invalid address for domains that appear in its filter lists.<ref>{{Cite web |last=Burns |first=Chris |date=2018-10-17 |title=AdGuard Home Is An Ad-And-Tracker Blocker For Your Home |url=https://www.slashgear.com/adguard-home-is-an-ad-and-tracker-blocker-for-your-home-17550403/ |access-date=2023-05-07 |website=SlashGear |language=en-US}}</ref> It is similar to [[Pi-hole]] but offers some unique features,<ref>{{Cite web |date=2022-02-14 |title=Pi-Hole vs AdGuard Home for Ad Blocking - 12 Key Differences {{!}} SHB |url=https://www.smarthomebeginner.com/pi-hole-vs-adguard-home/ |access-date=2023-04-19 |language=en-US}}</ref> including out of the box support for [[DNS over HTTPS|DNS-over-HTTPS]].
AdGuard Home acts as a recursive [[DNS resolver]], which prevents most advertisements from displaying by responding with an invalid address for domains that appear in its filter lists.<ref>{{Cite web |last=Burns |first=Chris |date=2018-10-17 |title=AdGuard Home Is An Ad-And-Tracker Blocker For Your Home |url=https://www.slashgear.com/adguard-home-is-an-ad-and-tracker-blocker-for-your-home-17550403/ |access-date=2023-05-07 |website=SlashGear |language=en-US}}</ref> It is similar to [[Pi-hole]].{{According to whom|date=September 2023}}


=== AdGuard Browser extensions ===
=== AdGuard Browser extensions ===


The browser extension blocks video ads, interstitial ads, floating ads, pop-ups, banners, and text ads.<ref>Eric Griffith [https://www.pcmag.com/feature/359099/the-18-best-firefox-quantum-extensions "The 18 Best Firefox Quantum Extensions"] {{Webarchive|url=https://web.archive.org/web/20190922012404/https://www.pcmag.com/feature/359099/the-18-best-firefox-quantum-extensions |date=September 22, 2019 }}, ''PC Magazine'', February 12, 2018</ref> It is also able to handle anti-[[AdBlock]] scripts.<ref>James A. Martin [https://www.computerworld.com/article/3214474/web-browsers/the-best-google-chrome-extensions.html "The best Google Chrome extensions"] {{Webarchive|url=https://web.archive.org/web/20181203202702/https://www.computerworld.com/article/3214474/web-browsers/the-best-google-chrome-extensions.html |date=December 3, 2018 }}, ''Computerworld'', August 10, 2017</ref> The product blocks spyware and warns users of malicious websites. AdGuard Content Blocker is an additional browser extension for browsers Yandex Browser and Samsung Internet, which uses Content Blocker API. It downloads filter list updates and asks browsers to enforce them via Content Blocker API.
The browser extension blocks [[video ads]], [[interstitial ad]]s, floating ads, [[Pop-up ad|pop-ups]], [[Banner ad|banners]], and text ads.<ref>Eric Griffith [https://www.pcmag.com/feature/359099/the-18-best-firefox-quantum-extensions "The 18 Best Firefox Quantum Extensions"] {{Webarchive|url=https://web.archive.org/web/20190922012404/https://www.pcmag.com/feature/359099/the-18-best-firefox-quantum-extensions |date=September 22, 2019 }}, ''PC Magazine'', February 12, 2018</ref> It is also able to handle anti-[[AdBlock]] scripts.<ref>James A. Martin [https://www.computerworld.com/article/3214474/web-browsers/the-best-google-chrome-extensions.html "The best Google Chrome extensions"] {{Webarchive|url=https://web.archive.org/web/20181203202702/https://www.computerworld.com/article/3214474/web-browsers/the-best-google-chrome-extensions.html |date=December 3, 2018 }}, ''Computerworld'', August 10, 2017</ref> AdGuard blocks spyware and warns users of malicious websites. AdGuard Content Blocker is an additional browser extension for [[Yandex Browser]] and [[Samsung Internet]], which uses Content Blocker API. It downloads filter list updates and requests browsers to enforce them via Content Blocker API.<ref>{{Cite web |title=AdGuard Content Blocker {{!}} Overview {{!}} AdGuard |url=https://adguard.com/en/adguard-content-blocker/overview.html |access-date=2023-11-19 |website=adguard.com |language=en}}</ref>


=== AdGuard applications ===
=== AdGuard applications ===


AdGuard has Windows and Mac versions,<ref>{{cite web |last1=Hougen |first1=Aleksander |title=The 8 Best Ad Blockers That Play Nice With Chrome, Safari, Firefox in 2020 |url=https://www.cloudwards.net/best-pop-up-blockers/ |website=Cloudwards |publisher=Cloudwards.net |access-date=2020-12-08 |archive-date=January 11, 2021 |archive-url=https://web.archive.org/web/20210111070634/https://www.cloudwards.net/best-pop-up-blockers/ |url-status=live }}</ref> as well as native mobile versions for Android<ref>{{cite web |last1=Painter |first1=Lewis |title=Best ad blocker for iPhone & iPad |url=https://www.macworld.co.uk/feature/best-ad-blocker-for-iphone-ipad-3665858/ |website=MacWorld |publisher=IDG Communications Ltd |access-date=8 December 2020 |archive-date=November 12, 2020 |archive-url=https://web.archive.org/web/20201112023835/https://www.macworld.co.uk/feature/best-ad-blocker-for-iphone-ipad-3665858/ |url-status=live }}</ref> and iOS.<ref>{{cite web |last1=Hindy |first1=Joe |title=5 best ad blocker apps for Android! |url=https://www.androidauthority.com/best-ad-blocker-apps-android-954917/ |website=Android Authority |access-date=8 December 2020 |archive-date=November 16, 2020 |archive-url=https://web.archive.org/web/20201116134755/https://www.androidauthority.com/best-ad-blocker-apps-android-954917/ |url-status=live }}</ref> The application sets up a local VPN, which filters all traffic on the mobile device.<ref>{{cite news |title=Fight back against ads and malware online with AdGuard for 66% off |url=https://mashable.com/deals/oct-16-adguard-lifetime-subscription |work=Mashable |date=16 October 2022 |language=en}}</ref>
AdGuard has Windows and Mac versions,<ref>{{cite web |last1=Hougen |first1=Aleksander |title=The 8 Best Ad Blockers That Play Nice With Chrome, Safari, Firefox in 2020 |url=https://www.cloudwards.net/best-pop-up-blockers/ |website=Cloudwards |publisher=Cloudwards.net |access-date=2020-12-08 |archive-date=January 11, 2021 |archive-url=https://web.archive.org/web/20210111070634/https://www.cloudwards.net/best-pop-up-blockers/ |url-status=live }}</ref> as well as native mobile versions for Android<ref>{{cite web |last1=Painter |first1=Lewis |title=Best ad blocker for iPhone & iPad |url=https://www.macworld.co.uk/feature/best-ad-blocker-for-iphone-ipad-3665858/ |website=MacWorld |publisher=IDG Communications Ltd |access-date=8 December 2020 |archive-date=November 12, 2020 |archive-url=https://web.archive.org/web/20201112023835/https://www.macworld.co.uk/feature/best-ad-blocker-for-iphone-ipad-3665858/ |url-status=live }}</ref> and iOS. The application sets up a local VPN, which filters all traffic on the mobile device.{{Citation needed|date=May 2024}}


=== AdGuard DNS ===
=== AdGuard DNS ===


AdGuard operates recursive name servers for public use. AdGuard DNS supports encryption technologies, including [[DNSCrypt]], [[DNS over HTTPS]], [[DNS over TLS]], and [[QUIC|DNS-over-QUIC]].<ref>{{cite web |last1=Vasily Bagirov |title=AdGuard becomes the world's first public DNS-over-QUIC resolver! |url=https://adguard.com/en/blog/dns-over-quic.html |publisher=AdGuard |archive-url=https://archive.today/20201216061232/https://adguard.com/en/blog/dns-over-quic.html |archive-date=December 16, 2020 |language=en |date=2020-12-15 |access-date=December 18, 2020 |url-status=live }}</ref> AdGuard began testing DNS service back in 2016, and officially launched it in 2018.<ref>{{Cite web|date=2018-12-29|title=AdGuard officially releases its own DNS service, and it works with Android Pie|url=https://www.androidpolice.com/2018/12/29/adguard-officially-releases-its-own-dns-service-and-it-works-with-android-pie/|access-date=2020-11-02|website=Android Police|language=en-US|archive-date=August 1, 2019|archive-url=https://web.archive.org/web/20190801170106/https://www.androidpolice.com/2018/12/29/adguard-officially-releases-its-own-dns-service-and-it-works-with-android-pie/|url-status=live}}</ref>
AdGuard operates recursive name servers for public use. AdGuard DNS supports encryption technologies, including [[DNSCrypt]], [[DNS over HTTPS]], [[DNS over TLS]], and [[Domain Name System#Transport protocols|DNS over QUIC]].<ref>{{cite web |last1=Vasily Bagirov |title=AdGuard becomes the world's first public DNS-over-QUIC resolver! |url=https://adguard.com/en/blog/dns-over-quic.html |publisher=AdGuard |archive-url=https://archive.today/20201216061232/https://adguard.com/en/blog/dns-over-quic.html |archive-date=December 16, 2020 |language=en |date=2020-12-15 |access-date=December 18, 2020 |url-status=live }}</ref> AdGuard began testing DNS service back in 2016, and officially launched it in 2018.<ref>{{Cite web|date=2018-12-29|title=AdGuard officially releases its own DNS service, and it works with Android Pie|url=https://www.androidpolice.com/2018/12/29/adguard-officially-releases-its-own-dns-service-and-it-works-with-android-pie/|access-date=2020-11-02|website=Android Police|language=en-US|archive-date=August 1, 2019|archive-url=https://web.archive.org/web/20190801170106/https://www.androidpolice.com/2018/12/29/adguard-officially-releases-its-own-dns-service-and-it-works-with-android-pie/|url-status=live}}</ref>


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== Reception ==

While the company's products have earned positive feedback in industry publications,<ref>{{Cite web |title=AdGuard. Get the software safely and easily. |url=https://adguard.software.informer.com/ |access-date=2023-05-07 |website=Software Informer |language=en-US}}</ref> a series of policies by Google and the Apple [[app store]] were implemented between 2014 - 2018, which impeded user access to AdGuard's mobile [[software|applications]].<ref>{{cite web |title=AdGuard launches Manifest V3 compatible ad-blocker for Chrome - gHacks Tech News |url=https://www.ghacks.net/2022/08/30/adguard-launches-manifest-v3-compatible-ad-blocker-for-chrome/ |website=gHacks Technology News |date=30 August 2022}}</ref>

[[MacWorld UK|Macworld]] mentioned AdGuard for iOS in a list of five "best adblockers for iOS".<ref>{{Cite web|last=Painter|first=Lewis|title=The 5 best ad-blocking apps for iPhone & iPad|url=https://www.macworld.co.uk/feature/best-ad-blocker-for-iphone-ipad-3665858/|access-date=2020-11-02|website=Macworld UK|archive-date=November 12, 2020|archive-url=https://web.archive.org/web/20201112023835/https://www.macworld.co.uk/feature/best-ad-blocker-for-iphone-ipad-3665858/|url-status=live}}</ref>

In April 2020, Android Central stated that AdGuard uses "a little more processing power to do its thing than [[uBlock Origin]]", but it is "the best all-in-one blocking tool for someone who doesn't want to use more than one extension" because it blocks [[cryptomining|crypto mining]]. However, Android Central recommended uBlock Origin with a dedicated crypto mining blocker over AdGuard.<ref>{{Cite web|date=2020-04-30|title=The best Chrome extensions to protect your online privacy and security|url=https://www.androidcentral.com/best-chrome-extensions-online-privacy-and-safety|access-date=2020-11-02|website=Android Central|archive-date=December 3, 2018|archive-url=https://web.archive.org/web/20181203104043/https://www.androidcentral.com/best-chrome-extensions-online-privacy-and-safety|url-status=live}}</ref>


== Incidents ==
== Incidents ==


* Distribution of AdGuard's app for [[Android (operating system)|Android]] was removed from [[Google Play]] at the end of 2014. It nevertheless is still being updated and has been made available for download from the developers’ own website.<ref>Daria Magdik [https://adguard.com/en/blog/google-removes-adguard-android-app-google-play.html "Google Removes Adguard App From Google Play"] {{Webarchive|url=https://web.archive.org/web/20200501183519/https://adguard.com/en/blog/google-removes-adguard-android-app-google-play.html |date=May 1, 2020 }}, AdGuard News, November 25, 2014</ref>
* During late 2014, the distribution of AdGuard's app for [[Android (operating system)|Android]] was removed from [[Google Play]]. It has since been made available for download from the developers’ own website.<ref>Daria Magdik [https://adguard.com/en/blog/google-removes-adguard-android-app-google-play.html "Google Removes Adguard App From Google Play"] {{Webarchive|url=https://web.archive.org/web/20200501183519/https://adguard.com/en/blog/google-removes-adguard-android-app-google-play.html |date=May 1, 2020 }}, AdGuard News, November 25, 2014</ref>
* AdGuard for [[iOS]] received no updates from the summer of 2018<ref>{{Cite web |last=Orr |first=Andrew |date=2018-07-23 |title=AdGuard Pro is Being Discontinued due to App Store Policy |url=https://www.macobserver.com/news/adguard-pro-discontinued/ |access-date=2023-05-07 |website=The Mac Observer |language=en-US}}</ref><ref>{{Cite web |last=Orr |first=Andrew |date=2018-09-20 |title=Apple Won't Say Why It Blocked AdGuard and Freedom |url=https://www.macobserver.com/news/adguard-freedom-blocked/ |access-date=2023-05-07 |website=The Mac Observer |language=en-US}}</ref><ref>{{Cite web |last=Raj |first=Abhishek |date=2019-06-05 |title=How to block ads on iPhone & iPad? Tips that work in 2022 |url=https://buddinggeek.com/block-ads-on-iphone-ipad-free/ |access-date=2023-05-07 |website=Budding Geek |language=en-US}}</ref> until summer 2019<ref>{{Cite web |url=https://adguard.com/en/blog/adguard-pro-is-back.html |title=AdGuard Pro for iOS is back from the dead! |access-date=July 27, 2019 |archive-date=July 27, 2019 |archive-url=https://web.archive.org/web/20190727071651/https://adguard.com/en/blog/adguard-pro-is-back.html |url-status=live }}</ref> due to [[Apple Inc.|Apple]] policies at the time against ad blocking via the iOS [[Virtual private network|VPN]] [[API]]s.
* From the summer of 2018 to the summer of 2019, AdGuard for [[iOS]] received no updates<ref>{{Cite web |last=Orr |first=Andrew |date=2018-09-20 |title=Apple Won't Say Why It Blocked AdGuard and Freedom |url=https://www.macobserver.com/news/adguard-freedom-blocked/ |access-date=2023-05-07 |website=The Mac Observer |language=en-US}}</ref><ref>{{Cite web |last=Raj |first=Abhishek |date=2019-06-05 |title=How to block ads on iPhone & iPad? Tips that work in 2022 |url=https://buddinggeek.com/block-ads-on-iphone-ipad-free/ |access-date=2023-05-07 |website=Budding Geek |language=en-US}}</ref><ref>{{Cite web |url=https://adguard.com/en/blog/adguard-pro-is-back.html |title=AdGuard Pro for iOS is back from the dead! |access-date=July 27, 2019 |archive-date=July 27, 2019 |archive-url=https://web.archive.org/web/20190727071651/https://adguard.com/en/blog/adguard-pro-is-back.html |url-status=live }}</ref> due to [[Apple Inc.|Apple]] policies at the time against ad blocking via the iOS [[Virtual private network|VPN]] [[API]]s.
* In September 2018, AdGuard was hit by [[credential stuffing]] attack. AdGuard claims that their servers were not compromised and instead attackers used credential pairs reused by victims on other sites and stolen from those other sites. According to company spokesperson, they "do not know what accounts exactly were accessed by the attackers", so the company had reset passwords for all accounts "as a precautionary measure". Also, AdGuard pledged to use "[[Have I Been Pwned?]]" API to check all new passwords for appearance in known public data leaks. Furthermore, they implemented more strict password security requirements.<ref>{{Cite web |last=Whittaker |first=Zack |date=2018-09-21 |title=AdGuard resets all user passwords after account hacks |url=https://techcrunch.com/2018/09/20/adguard-resets-all-user-passwords-after-account-hacks/ |access-date=2023-05-07 |website=TechCrunch |language=en-US}}</ref><ref>{{Cite web |title=AdGuard resets all user passwords after credential stuffing attack |url=https://www.zdnet.com/article/adguard-resets-all-user-passwords-after-credential-stuffing-attack/ |access-date=2023-05-07 |website=ZDNET |language=en}}</ref><ref>Tom McNamara [https://download.cnet.com/blog/download-blog/all-adguard-ad-blocker-account-passwords-have-been-reset-to-fight-off-hackers "All AdGuard ad blocker account passwords have been reset to fight off hackers"]{{Dead link|date=February 2022 |bot=InternetArchiveBot |fix-attempted=yes }}, CNET, September 21, 2018</ref>
* In September 2018, AdGuard was hit by [[credential stuffing]] attack. AdGuard claims that their servers were not compromised and instead attackers used credential pairs reused by victims on other sites and stolen from those other sites. According to company spokesperson, they "do not know what accounts exactly were accessed by the attackers", so the company had reset passwords for all accounts "as a precautionary measure". Also, AdGuard pledged to use "[[Have I Been Pwned?]]" API to check all new passwords for appearance in known public data leaks. Furthermore, they implemented more strict password security requirements.<ref>{{Cite web |last=McNamara |first=Tom |date=2018-09-21 |title=All AdGuard ad blocker account passwords have been reset to fight off hackers |url=https://download.cnet.com/blog/download-blog/all-adguard-ad-blocker-account-passwords-have-been-reset-to-fight-off-hackers |website=CNET |archive-url=https://web.archive.org/web/20181204005746/https://download.cnet.com/news/all-adguard-ad-blocker-account-passwords-have-been-reset-to-fight-off-hackers/ |archive-date=4 December 2018 |url-status=dead}}</ref>
⚫
* In November 2020, Microsoft Edge Store and Chrome web store<ref>{{cite news |last1=Domanski |first1=Harry |title=Google has kicked five malicious ad blockers off the Chrome Store |url=https://www.techradar.com/news/google-has-kicked-five-malicious-ad-blockers-off-the-chrome-store |work=TechRadar |date=19 April 2018 |language=en}}</ref> were infiltrated with fraudulent add-ons posing as various legitimate VPN browser add-ons, including [[NordVPN]] and AdGuard's VPN add-on.<ref>Dan Goodin [https://arstechnica.com/gadgets/2020/11/fraudulent-add-ons-infiltrate-the-official-microsoft-edge-store/ "Abusive add-ons aren’t just a Chrome and Firefox problem. Now it’s Edge’s turn"] {{Webarchive|url=https://web.archive.org/web/20201209050208/https://arstechnica.com/gadgets/2020/11/fraudulent-add-ons-infiltrate-the-official-microsoft-edge-store/ |date=December 9, 2020 }}, ArsTechnica, November 21, 2020</ref> Subsequently Microsoft and Google were alerted and actions were taken to remove the fake add-ons in the various browser stores.<ref>{{cite web |title=These VPN extensions are imposters that hijack your browser's search |url=https://www.komando.com/security-privacy/imposter-vpn-extensions/765938/ |website=Komando.com |date=24 November 2020}}</ref>

⚫
In November 2020, Microsoft Edge Store and Chrome web store<ref>{{cite news |last1=Domanski |first1=Harry |title=Google has kicked five malicious ad blockers off the Chrome Store |url=https://www.techradar.com/news/google-has-kicked-five-malicious-ad-blockers-off-the-chrome-store |work=TechRadar |date=19 April 2018 |language=en}}</ref> were infiltrated with fraudulent add-ons posing as various legitimate VPN browser add-ons, including [[NordVPN]] and AdGuard's VPN add-on.<ref>Dan Goodin [https://arstechnica.com/gadgets/2020/11/fraudulent-add-ons-infiltrate-the-official-microsoft-edge-store/ "Abusive add-ons aren’t just a Chrome and Firefox problem. Now it’s Edge’s turn"] {{Webarchive|url=https://web.archive.org/web/20201209050208/https://arstechnica.com/gadgets/2020/11/fraudulent-add-ons-infiltrate-the-official-microsoft-edge-store/ |date=December 9, 2020 }}, ArsTechnica, November 21, 2020</ref> Subsequently Microsoft and Google were alerted and actions were taken to remove the imposter add-ons in the various browser stores.<ref>{{cite web |title=These VPN extensions are imposters that hijack your browser's search |url=https://www.komando.com/security-privacy/imposter-vpn-extensions/765938/ |website=Komando.com |date=24 November 2020}}</ref>


== Research ==
== Research ==


AdGuard developers have taken up research in order to inform wider audiences on user [[information privacy|privacy]], [[cybersecurity]] and [[data protection]]. The following issues are notable cases involving the developers:
AdGuard developers have taken up research in order to inform wider audiences on user [[information privacy|privacy]], [[cybersecurity]] and [[data protection]]. The following issues are cases involving the developers:


* Top-ranked [[website]]s involved in [[cryptojacking|crypto jacking]]<ref>Michael Kan [https://uk.pcmag.com/news-analysis/92222/why-hackers-love-cryptocurrency-miner-coinhive "Why Hackers Love Cryptocurrency Miner Coinhive"] {{Webarchive|url=https://web.archive.org/web/20181203202742/https://uk.pcmag.com/news-analysis/92222/why-hackers-love-cryptocurrency-miner-coinhive|date=December 3, 2018}}, UK.PCMag, November 29, 2017</ref><ref>Anthony Cuthbertson [https://www.newsweek.com/500-million-pcs-secretly-mining-cryptocurrency-research-bitcoin-683982 "Over 500 Million PCs Are Secretly Mining Cryptocurrency, Researchers Reveal"] {{Webarchive|url=https://web.archive.org/web/20181101192414/https://www.newsweek.com/500-million-pcs-secretly-mining-cryptocurrency-research-bitcoin-683982|date=November 1, 2018}}, ''Newsweek'', October 13, 2017</ref><ref>Charlie Osborne [https://www.zdnet.com/article/500-million-pcs-are-being-used-for-stealth-cryptocurrency-mining-online "500 million PCs are being used for stealth cryptocurrency mining online"] {{Webarchive|url=https://web.archive.org/web/20180715164424/https://www.zdnet.com/article/500-million-pcs-are-being-used-for-stealth-cryptocurrency-mining-online/|date=July 15, 2018}}, Zero Day, October 13, 2017</ref>
* [[Website]]s involved in [[cryptojacking|crypto jacking]]<ref>Michael Kan [https://uk.pcmag.com/news-analysis/92222/why-hackers-love-cryptocurrency-miner-coinhive "Why Hackers Love Cryptocurrency Miner Coinhive"] {{Webarchive|url=https://web.archive.org/web/20181203202742/https://uk.pcmag.com/news-analysis/92222/why-hackers-love-cryptocurrency-miner-coinhive|date=December 3, 2018}}, UK.PCMag, November 29, 2017</ref><ref>Anthony Cuthbertson [https://www.newsweek.com/500-million-pcs-secretly-mining-cryptocurrency-research-bitcoin-683982 "Over 500 Million PCs Are Secretly Mining Cryptocurrency, Researchers Reveal"] {{Webarchive|url=https://web.archive.org/web/20181101192414/https://www.newsweek.com/500-million-pcs-secretly-mining-cryptocurrency-research-bitcoin-683982|date=November 1, 2018}}, ''Newsweek'', October 13, 2017</ref><ref>Charlie Osborne [https://www.zdnet.com/article/500-million-pcs-are-being-used-for-stealth-cryptocurrency-mining-online/ "500 million PCs are being used for stealth cryptocurrency mining online"], Zero Day, October 13, 2017</ref>
* [[Facebook]] [[advertising network|Ad Network]] widespread distribution<ref>Matthew Hughes [https://thenextweb.com/facebook/2018/03/26/facebook-tracking-present-41-popular-android-apps "Facebook tracking is present in 41% of the most popular Android apps"] {{Webarchive|url=https://web.archive.org/web/20190201055803/https://thenextweb.com/facebook/2018/03/26/facebook-tracking-present-41-popular-android-apps/|date=February 1, 2019}}, Thenextweb.com, March 23, 2018</ref><ref>Nadeem Sarwar [https://beebom.com/deletefacebook-tracking-through-apps "Is #DeleteFacebook Enough? Here’s the Harsh Truth About Facebook Tracking Through Apps"] {{Webarchive|url=https://web.archive.org/web/20200924115831/https://beebom.com/deletefacebook-tracking-through-apps/|date=September 24, 2020}}, Beebom.com, March 27, 2018</ref>
* [[Facebook]] [[advertising network|Ad Network]] widespread distribution<ref>Matthew Hughes [https://thenextweb.com/facebook/2018/03/26/facebook-tracking-present-41-popular-android-apps "Facebook tracking is present in 41% of the most popular Android apps"] {{Webarchive|url=https://web.archive.org/web/20190201055803/https://thenextweb.com/facebook/2018/03/26/facebook-tracking-present-41-popular-android-apps/|date=February 1, 2019}}, Thenextweb.com, March 23, 2018</ref><ref>Nadeem Sarwar [https://beebom.com/deletefacebook-tracking-through-apps "Is #DeleteFacebook Enough? Here’s the Harsh Truth About Facebook Tracking Through Apps"] {{Webarchive|url=https://web.archive.org/web/20200924115831/https://beebom.com/deletefacebook-tracking-through-apps/|date=September 24, 2020}}, Beebom.com, March 27, 2018</ref>
* Alerting or reporting of fake [[Ad blocking|adblockers]]<ref>Cal Jeffrey [https://www.techspot.com/news/74243-adguard-reports-20-million-chrome-users-have-malware.html/ "AdGuard reports that 20 million Chrome users have malware infected ad blockers"] {{Webarchive|url=https://web.archive.org/web/20180624184219/https://www.techspot.com/news/74243-adguard-reports-20-million-chrome-users-have-malware.html|date=June 24, 2018}}, Techspotl.com, April 19, 2018.</ref><ref>Harry Domanski [https://www.techradar.com/news/google-has-kicked-five-malicious-ad-blockers-off-the-chrome-store "Google has kicked five malicious ad blockers off the Chrome Store"] {{Webarchive|url=https://web.archive.org/web/20181012191733/https://www.techradar.com/news/google-has-kicked-five-malicious-ad-blockers-off-the-chrome-store|date=October 12, 2018}}, Techradar.com, April 19, 2018.</ref>
* Alerting or reporting of fake [[Ad blocking|ad blockers]]<ref>Cal Jeffrey [https://www.techspot.com/news/74243-adguard-reports-20-million-chrome-users-have-malware.html/ "AdGuard reports that 20 million Chrome users have malware infected ad blockers"] {{Webarchive|url=https://web.archive.org/web/20180624184219/https://www.techspot.com/news/74243-adguard-reports-20-million-chrome-users-have-malware.html|date=June 24, 2018}}, Techspotl.com, April 19, 2018.</ref><ref>Harry Domanski [https://www.techradar.com/news/google-has-kicked-five-malicious-ad-blockers-off-the-chrome-store "Google has kicked five malicious ad blockers off the Chrome Store"] {{Webarchive|url=https://web.archive.org/web/20181012191733/https://www.techradar.com/news/google-has-kicked-five-malicious-ad-blockers-off-the-chrome-store|date=October 12, 2018}}, Techradar.com, April 19, 2018.</ref>
* Popular [[Android (operating system)|Android]] and [[iOS]] [[Application software|app]] [[Information privacy|privacy]] issues<ref>Rei Padla [https://androidcommunity.com/go-keyboard-apps-sends-users-data-to-servers-and-third-parties-adguard-says-20170923 "GO Keyboard apps sends users’ data to servers and third parties, AdGuard says"] {{Webarchive|url=https://web.archive.org/web/20181203152127/https://androidcommunity.com/go-keyboard-apps-sends-users-data-to-servers-and-third-parties-adguard-says-20170923/|date=December 3, 2018}}, AndroidCommunity.com, September 23, 2017</ref><ref>Adarsh Verma [https://fossbytes.com/11-million-android-chrome-ios-users-big-star-labs-spyware "11 Million Android, iOS, Chrome, And Firefox Users Infected By Spyware: Delete These Apps Now"] {{Webarchive|url=https://web.archive.org/web/20181203152143/https://fossbytes.com/11-million-android-chrome-ios-users-big-star-labs-spyware/|date=December 3, 2018}}, Fossbytes.com, July 26, 2018</ref><ref>Wagas Amir [https://www.hackread.com/popular-android-ios-apps-browser-extensions-collecting-highly-personal-user-data "Popular Android/iOS apps & Extensions collecting highly personal user data"] {{Webarchive|url=https://web.archive.org/web/20181203060015/https://www.hackread.com/popular-android-ios-apps-browser-extensions-collecting-highly-personal-user-data|date=December 3, 2018}}, Hackread.com, July 26, 2018</ref><ref>Catalin Cimpanu [https://www.bleepingcomputer.com/news/security/chrome-extensions-android-and-ios-apps-caught-collecting-browsing-data "Chrome Extensions, Android and iOS Apps Caught Collecting Browsing Data"] {{Webarchive|url=https://web.archive.org/web/20190819100035/https://www.bleepingcomputer.com/news/security/chrome-extensions-android-and-ios-apps-caught-collecting-browsing-data/|date=August 19, 2019}}, BleepeingComputer.com, July 25, 2018</ref>
* Popular [[Android (operating system)|Android]] and [[iOS]] [[Application software|app]] [[Information privacy|privacy]] issues<ref>Rei Padla [https://androidcommunity.com/go-keyboard-apps-sends-users-data-to-servers-and-third-parties-adguard-says-20170923 "GO Keyboard apps sends users’ data to servers and third parties, AdGuard says"] {{Webarchive|url=https://web.archive.org/web/20181203152127/https://androidcommunity.com/go-keyboard-apps-sends-users-data-to-servers-and-third-parties-adguard-says-20170923/|date=December 3, 2018}}, AndroidCommunity.com, September 23, 2017</ref><ref>Adarsh Verma [https://fossbytes.com/11-million-android-chrome-ios-users-big-star-labs-spyware "11 Million Android, iOS, Chrome, And Firefox Users Infected By Spyware: Delete These Apps Now"] {{Webarchive|url=https://web.archive.org/web/20181203152143/https://fossbytes.com/11-million-android-chrome-ios-users-big-star-labs-spyware/|date=December 3, 2018}}, Fossbytes.com, July 26, 2018</ref><ref>Wagas Amir [https://www.hackread.com/popular-android-ios-apps-browser-extensions-collecting-highly-personal-user-data "Popular Android/iOS apps & Extensions collecting highly personal user data"] {{Webarchive|url=https://web.archive.org/web/20181203060015/https://www.hackread.com/popular-android-ios-apps-browser-extensions-collecting-highly-personal-user-data|date=December 3, 2018}}, Hackread.com, July 26, 2018</ref><ref>Catalin Cimpanu [https://www.bleepingcomputer.com/news/security/chrome-extensions-android-and-ios-apps-caught-collecting-browsing-data "Chrome Extensions, Android and iOS Apps Caught Collecting Browsing Data"] {{Webarchive|url=https://web.archive.org/web/20190819100035/https://www.bleepingcomputer.com/news/security/chrome-extensions-android-and-ios-apps-caught-collecting-browsing-data/|date=August 19, 2019}}, BleepeingComputer.com, July 25, 2018</ref>

== See also ==
{{Portal|Internet
}}
* [[AdBlock]]
* [[Adblock Plus]]
* [[uBlock Origin]]
* [[AdAway]]


== References ==
== References ==

Latest revision as of 12:35, 16 November 2024

Not to be confused with Adblock.
AdGuard
GenreUtility
Browser extension
Server
DNS resolver
Founded1 June 2009 Edit this on Wikidata
Headquarters
Cyprus Edit this on Wikidata
Websiteadguard.com

AdGuard is an ad blocking service for Microsoft Windows, Linux, MacOS, Android and iOS. AdGuard is also available as a browser extension.[1]

Features

[edit]

AdGuard Home

[edit]

AdGuard Home acts as a recursive DNS resolver, which prevents most advertisements from displaying by responding with an invalid address for domains that appear in its filter lists.[2] It is similar to Pi-hole.[according to whom?]

AdGuard Browser extensions

[edit]

The browser extension blocks video ads, interstitial ads, floating ads, pop-ups, banners, and text ads.[3] It is also able to handle anti-AdBlock scripts.[4] AdGuard blocks spyware and warns users of malicious websites. AdGuard Content Blocker is an additional browser extension for Yandex Browser and Samsung Internet, which uses Content Blocker API. It downloads filter list updates and requests browsers to enforce them via Content Blocker API.[5]

AdGuard applications

[edit]

AdGuard has Windows and Mac versions,[6] as well as native mobile versions for Android[7] and iOS. The application sets up a local VPN, which filters all traffic on the mobile device.[citation needed]

AdGuard DNS

[edit]

AdGuard operates recursive name servers for public use. AdGuard DNS supports encryption technologies, including DNSCrypt, DNS over HTTPS, DNS over TLS, and DNS over QUIC.[8] AdGuard began testing DNS service back in 2016, and officially launched it in 2018.[9]

Server Description
Default Blocks advertisement and tracking domains.
Non-filtering Does not block advertisement and tracking domains, or any other DNS requests.
Family protection Blocks websites with adult content, enforces safe search in search engines wherever possible, and blocks advertisement and tracking domains.

Incidents

[edit]
  • During late 2014, the distribution of AdGuard's app for Android was removed from Google Play. It has since been made available for download from the developers’ own website.[10]
  • From the summer of 2018 to the summer of 2019, AdGuard for iOS received no updates[11][12][13] due to Apple policies at the time against ad blocking via the iOS VPN APIs.
  • In September 2018, AdGuard was hit by credential stuffing attack. AdGuard claims that their servers were not compromised and instead attackers used credential pairs reused by victims on other sites and stolen from those other sites. According to company spokesperson, they "do not know what accounts exactly were accessed by the attackers", so the company had reset passwords for all accounts "as a precautionary measure". Also, AdGuard pledged to use "Have I Been Pwned?" API to check all new passwords for appearance in known public data leaks. Furthermore, they implemented more strict password security requirements.[14]
  • In November 2020, Microsoft Edge Store and Chrome web store[15] were infiltrated with fraudulent add-ons posing as various legitimate VPN browser add-ons, including NordVPN and AdGuard's VPN add-on.[16] Subsequently Microsoft and Google were alerted and actions were taken to remove the fake add-ons in the various browser stores.[17]

Research

[edit]

AdGuard developers have taken up research in order to inform wider audiences on user privacy, cybersecurity and data protection. The following issues are cases involving the developers:

See also

[edit]

References

[edit]
  1. ^ Andrew Orr "AdGuard Pro is Being Discontinued due to App Store Policy" Archived September 21, 2019, at the Wayback Machine, MacObserver.com, July 23, 2018
  2. ^ Burns, Chris (2018-10-17). "AdGuard Home Is An Ad-And-Tracker Blocker For Your Home". SlashGear. Retrieved 2023-05-07.
  3. ^ Eric Griffith "The 18 Best Firefox Quantum Extensions" Archived September 22, 2019, at the Wayback Machine, PC Magazine, February 12, 2018
  4. ^ James A. Martin "The best Google Chrome extensions" Archived December 3, 2018, at the Wayback Machine, Computerworld, August 10, 2017
  5. ^ "AdGuard Content Blocker | Overview | AdGuard". adguard.com. Retrieved 2023-11-19.
  6. ^ Hougen, Aleksander. "The 8 Best Ad Blockers That Play Nice With Chrome, Safari, Firefox in 2020". Cloudwards. Cloudwards.net. Archived from the original on January 11, 2021. Retrieved 2020-12-08.
  7. ^ Painter, Lewis. "Best ad blocker for iPhone & iPad". MacWorld. IDG Communications Ltd. Archived from the original on November 12, 2020. Retrieved 8 December 2020.
  8. ^ Vasily Bagirov (2020-12-15). "AdGuard becomes the world's first public DNS-over-QUIC resolver!". AdGuard. Archived from the original on December 16, 2020. Retrieved December 18, 2020.
  9. ^ "AdGuard officially releases its own DNS service, and it works with Android Pie". Android Police. 2018-12-29. Archived from the original on August 1, 2019. Retrieved 2020-11-02.
  10. ^ Daria Magdik "Google Removes Adguard App From Google Play" Archived May 1, 2020, at the Wayback Machine, AdGuard News, November 25, 2014
  11. ^ Orr, Andrew (2018-09-20). "Apple Won't Say Why It Blocked AdGuard and Freedom". The Mac Observer. Retrieved 2023-05-07.
  12. ^ Raj, Abhishek (2019-06-05). "How to block ads on iPhone & iPad? Tips that work in 2022". Budding Geek. Retrieved 2023-05-07.
  13. ^ "AdGuard Pro for iOS is back from the dead!". Archived from the original on July 27, 2019. Retrieved July 27, 2019.
  14. ^ McNamara, Tom (2018-09-21). "All AdGuard ad blocker account passwords have been reset to fight off hackers". CNET. Archived from the original on 4 December 2018.
  15. ^ Domanski, Harry (19 April 2018). "Google has kicked five malicious ad blockers off the Chrome Store". TechRadar.
  16. ^ Dan Goodin "Abusive add-ons aren’t just a Chrome and Firefox problem. Now it’s Edge’s turn" Archived December 9, 2020, at the Wayback Machine, ArsTechnica, November 21, 2020
  17. ^ "These VPN extensions are imposters that hijack your browser's search". Komando.com. 24 November 2020.
  18. ^ Michael Kan "Why Hackers Love Cryptocurrency Miner Coinhive" Archived December 3, 2018, at the Wayback Machine, UK.PCMag, November 29, 2017
  19. ^ Anthony Cuthbertson "Over 500 Million PCs Are Secretly Mining Cryptocurrency, Researchers Reveal" Archived November 1, 2018, at the Wayback Machine, Newsweek, October 13, 2017
  20. ^ Charlie Osborne "500 million PCs are being used for stealth cryptocurrency mining online", Zero Day, October 13, 2017
  21. ^ Matthew Hughes "Facebook tracking is present in 41% of the most popular Android apps" Archived February 1, 2019, at the Wayback Machine, Thenextweb.com, March 23, 2018
  22. ^ Nadeem Sarwar "Is #DeleteFacebook Enough? Here’s the Harsh Truth About Facebook Tracking Through Apps" Archived September 24, 2020, at the Wayback Machine, Beebom.com, March 27, 2018
  23. ^ Cal Jeffrey "AdGuard reports that 20 million Chrome users have malware infected ad blockers" Archived June 24, 2018, at the Wayback Machine, Techspotl.com, April 19, 2018.
  24. ^ Harry Domanski "Google has kicked five malicious ad blockers off the Chrome Store" Archived October 12, 2018, at the Wayback Machine, Techradar.com, April 19, 2018.
  25. ^ Rei Padla "GO Keyboard apps sends users’ data to servers and third parties, AdGuard says" Archived December 3, 2018, at the Wayback Machine, AndroidCommunity.com, September 23, 2017
  26. ^ Adarsh Verma "11 Million Android, iOS, Chrome, And Firefox Users Infected By Spyware: Delete These Apps Now" Archived December 3, 2018, at the Wayback Machine, Fossbytes.com, July 26, 2018
  27. ^ Wagas Amir "Popular Android/iOS apps & Extensions collecting highly personal user data" Archived December 3, 2018, at the Wayback Machine, Hackread.com, July 26, 2018
  28. ^ Catalin Cimpanu "Chrome Extensions, Android and iOS Apps Caught Collecting Browsing Data" Archived August 19, 2019, at the Wayback Machine, BleepeingComputer.com, July 25, 2018
Retrieved from "https://en.wikipedia.org/enwiki/w/index.php?title=AdGuard&oldid=1257746205"