Two years after the CD rootkit debacle, Sony finds itself in a similar controversy:

Security firm F-secure have discovered a flaw in software packaged with memory sticks made by the Japanese firm.

The vulnerability is similar to one found on CDs sold by Sony BMG in 2005 that led to the discs being recalled and lawsuits against the company.

The software uses virus-like techniques to hide itself on PCs which could leave it open to infection, researchers say.

Why is it so hard to understand that we don’t want companies doing sneaky stuff to our computers?