Controversial MacKeeper security program opens critical hole on Mac computers

A critical vulnerability in MacKeeper, a controversial security program for Mac computers, could let attackers execute malicious commands on Macs when their owners visit specially crafted Web pages.

MacKeeper’s developers acknowledged the recently discovered problem and released a fix for it Friday, saying in a blog post that users should run MacKeeper Update Tracker and install version 3.4.1 or later.