I posted a few articles last week on the need to stay up to date with your software. Here’s yet another reason.
Microsoft released its Security Intelligence Report volume 11 (SIRv11), which found that less than 1 percent of exploits in the first half of 2011 were against zero-day vulnerabilities. In contrast, 99 percent of all attacks during the same period distributed malware through familiar techniques, such as social engineering and unpatched vulnerabilities.
Read the full article on Help Net Security.