<A HREF="http://news.zdnet.com/2100-1009_22-6162278.html">Multiple flaws in commonly used technical support tools</A> can open Windows PCs to cyberattack, security experts have warned.

The vulnerable tools are often used by Internet service providers, PC makers and others to provide support functions such as remote assistance, the U.S. Computer Emergency Readiness Team said in an alert published Thursday. The tools, provided by SupportSoft, contain multiple vulnerabilities, it warned.