A rootkit uncovered in the wild in December is proving to be a real headache to detect, according to Finnish security company F-Secure. Dubbed “Mebroot,” the rootkit infects the master boot record ...

Thousands of Web sites have been rigged to deliver a powerful piece of malicious software that many security products may be unprepared to handle. The malicious software is a new variant of Mebroot, a ...

An important element of a kernel rootkit is its ability to hide itself and cover up what is really going on. Here’s one way that some rootkits do that. When a rootkit is installed, it replaces certain ...