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Webroot Opens Patent Infringement Cases Against Kaspersky, CrowdStrike, Sophos and Trend Micro
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<blockquote data-quote="ForgottenSeer 97327" data-source="post: 1014958"><p>When my memory serves right, PrevX (wich was bought by Webroot) was the first AV that had</p><p>1. A cloud component for blacklist</p><p>2. Offered an heuristics approach based on</p><p>a) whether the executable was seen by the community</p><p>b) what the age of the executable was and how long it was on the PC</p><p>c) what the origin of the executable was</p><p>3. Offered an execution trail tracker/behavioral blocker</p><p></p><p>Panda was so smart to name their anti-virus cloud antivirus, so Panda sort of took away the marketing benefit of PrevX being the first Cloud based AV.</p><p></p><p>The heuristics approach would now be called machine learning - artificial intelligence. I once had a license of PrevX and I remember it was possible to adjust the sensitivity of the heuristics approach to make it a whitelist like mechanisme (moving the sliders to max). </p><p></p><p>Also the execution trail tracker, sort of logged the activities of executables and could also be used to revert the actions of malware once the behavioral blocker had decided that the executable had performed to many questionable actions. Windows Defender sort of copied this behavior by using Windows event logger for this (and called WD the first OS-aware antivirus). This type of (roll back) behavior analysis is now common in most ransom ware protection modules of AV's.</p><p></p><p>Problem with PrevX was that its blacklist was very weak and always scored bottom results in protection tests (based on scanning). Problem with security patents is that they are sometimes generally describe a mechanism and it is hard to proof in court because the technical implementation of such a mechanism nearly always is vendor specific.</p></blockquote><p></p>
[QUOTE="ForgottenSeer 97327, post: 1014958"] When my memory serves right, PrevX (wich was bought by Webroot) was the first AV that had 1. A cloud component for blacklist 2. Offered an heuristics approach based on a) whether the executable was seen by the community b) what the age of the executable was and how long it was on the PC c) what the origin of the executable was 3. Offered an execution trail tracker/behavioral blocker Panda was so smart to name their anti-virus cloud antivirus, so Panda sort of took away the marketing benefit of PrevX being the first Cloud based AV. The heuristics approach would now be called machine learning - artificial intelligence. I once had a license of PrevX and I remember it was possible to adjust the sensitivity of the heuristics approach to make it a whitelist like mechanisme (moving the sliders to max). Also the execution trail tracker, sort of logged the activities of executables and could also be used to revert the actions of malware once the behavioral blocker had decided that the executable had performed to many questionable actions. Windows Defender sort of copied this behavior by using Windows event logger for this (and called WD the first OS-aware antivirus). This type of (roll back) behavior analysis is now common in most ransom ware protection modules of AV's. Problem with PrevX was that its blacklist was very weak and always scored bottom results in protection tests (based on scanning). Problem with security patents is that they are sometimes generally describe a mechanism and it is hard to proof in court because the technical implementation of such a mechanism nearly always is vendor specific. [/QUOTE]
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