Posted 25 March 2007 - 07:15 AM
To expand on what Fozzie said:
SpywareGuard does not require constant definition updates because its detection abilities use a heuristic (rule-based) engine. Normally, for an Anti-Virus product to detect a virus, the virus must have been seen before, analyzed and detection added to the signature update files. Heuristics are used since there are some families of viruses that continually change their appearance and it is not possible to detect every variant. Heuristics allows setting up a defined set of rules so if it looks like a virus, and acts like a virus it can be detected, even if the virus has never been seen before. SpywareGuard uses this same approach for detecting spyware. Further, SpywareGuard's strongest protection is its Browser Hijacking Protection, which does not any sort of definition updates.
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