Server cache can harbor malicious code

Every week seems to bring a new security alert about a risk factor that requires attention. The latest is "infection-by-proxy" code that can stay buried in server caches for weeks, adding a new element of risk to websites and web-based data. As security experts explain, caching technology used by search engines, ISPs and big companies can house certain kinds of malicious code even after a hosted site has been closed. A report by security vendor McAfee last spring noted that search engines are viewed as a major venue for the spread of malware and the cache issue doubles that threat. 

For more on the cache code risk:
- read the news at Techworld