ICT Security-Sécurité PC et Internet

The Jellyfish proof-of-concept rootkit uses the processing power of graphics cards and runs in their dedicated memory

A team of developers has created a rootkit for Linux systems that uses the processing power and memory of graphics cards instead of CPUs in order to remain hidden.

The rootkit, called Jellyfish, is a proof of concept designed to demonstrate that completely running malware on GPUs (graphics processing units) is a viable option. This is possible because dedicated graphics cards have their own processors and RAM.

Such threats could be more sinister than traditional malware programs, according to the Jellyfish developers. For one, there are no tools to analyze GPU malware, they said.

Learn more:

- http://www.scoop.it/t/securite-pc-et-internet/?tag=Linux

As the number of software vulnerabilities increases, and people connect across personal and corporate devices using a multitude of different platforms each day, time and time again, patch management has proven to be one of the most effective practice users can take in securing their PCs.

Learn more:

- http://gustmees.wordpress.com/2012/05/03/update-your-third-party-applications/