Popular security suites open to attack [*]

Summary: Your anti-malware system does you no good if it's successfully compromised.

If your anti-virus fails (e.g., is exploited/disabled by malware), then your computer is left unprotected.

Few security suites use ASLR (Address Space Layout Randomization) and DEP (Data Execution Prevention) in all their executables.

http://www.zdnet.com/popular-security-suites-open-to-attack-7000036149/

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Remarks:   Listing only the common FREE programs:

avast v9  on average offers 98.0% protection against DEP+ASRL self-attacks

avg                                       94.9%

panda                                  85.5%

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[*] With acknowledgment to Bugbatter for posting at SpywareHammer http://spywarehammer.com/simplemachinesforum/index.php/topic,15811.0.html