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Free Comodo Memory Firewall is a buffer overflow detection and prevention tool which provides the ultimate defense against one of the most serious and common attack types on the Internet - the buffer overflow attack. Free Comodo Memory Firewall detects most buffer overflow attack attempts such as attacks on STACK memory, HEAP memory, ret2libc attacks and of corrupted/bad SEH Chains, Comodo Memory Firewall protects against data theft, computer crashes and system damage by preventing most types of buffer overflow attacks. The product is aimed for system administrators as well as desktop users to protect their systems and detects suspicious code executions in the stack or the heap portions of the memory. To attack a computer, a malicious program or script deliberately sends more data to its memory buffer than the buffer can handle leaving the system vulnerable to malware that can reformat the hard drive, steal sensitive user information, or even install programs that transform the machine into a Zombie PC. Free Comodo Memory Firewall prevents most (90+%) buffer overflow attacks providing unparalleled desktop security that prevents malware from ever gaining access to a system in the first place.