Hundreds of thousands of networks across the globe, including many military and government networks, appear to still contain PCs with the controversial copy-protection software installed by music discs sold by media giant Sony BMG, a security researcher told attendees at the ShmooCon hacking conference this weekend.

Building on previous research that suggested some 570,000 networks had computers affected by the software, infrastructure security expert Dan Kaminsky used a different address used by the copy protection software to estimate that, a month later, 350,000 networks - many belonging to the military and government - contain computers affected by the software.

Read the complete story here. (Security Focus)