Popular Android and iOS app privacy issues.

Facebook Ad Network widespread distribution.

Top-ranked websites involved in cryptojacking.

The following issues are notable cases involving the developers: Research ĪdGuard developers have taken up research in order to inform wider audiences on user privacy, cybersecurity and data protection. However, Android Central recommended uBlock Origin with a dedicated cryptomining blocker over AdGuard. 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. Macworld mentioned AdGuard for iOS in a list of five 'best adblockers for iOS'. While the company's products have earned positive feedback in industry publications, a series of policies by Google and Apple app stores occurred in 2014 - 2018, which impeded user access to AdGuard's mobile applications.

AdGuard began testing DNS service back in 2016, and officially launched it in 2018. AdGuard DNS also comes with an optional 'Family Protection' mode for blocking access to websites with adult content as well as enforcing safe search in search engines. The product supports encryption technologies, including DNSCrypt, DNS over HTTPS, DNS over TLS and DNS-over-QUIC. Some of these servers provide DNS-level network filtering for blocking domains used for delivering advertisement, online tracking, analytics. The application sets up a local VPN, which filters all traffic on the mobile device.ĪdGuard hosts free public DNS servers. It downloads filter list updates and asks browsers to enforce them via Content Blocker API.ĪdGuard has Windows and Mac versions, as well as native mobile versions for Android and iOS. AdGuard Content Blocker is an additional browser extension for browsers Yandex Browser and Samsung Internet, which uses Content Blocker API. The product also blocks spyware and warns users of malicious websites. There is a possibility to handle anti- AdBlock scripts. The browser extension blocks video ads, interstitial ads, floating ads, pop-ups, banners, and text ads.

AdGuard Home acts as a recursive DNS resolver, which responds with an invalid address for domains that appear in its filter lists quests.

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