Hackers have released software they say sabotages a suite of forensics utilities Microsoft provides for free to hundreds of law enforcement agencies across the globe.

Decaf is a light-weight application that monitors Windows systems for the presence of COFEE, a bundle of some 150 point-and-click tools used by police to collect digital evidence at crime scenes. When a USB stick containing the Microsoft software is attached to a protected PC, Decaf automatically executes a variety of countermeasures.Read more at www.theregister.co.uk