In our Internet age, protecting a company’s computers from viruses is just as important as locking the doors to the office, password-protecting networks and PCs, and activating the burglar alarm.

Anti-virus software company McAfee said Monday that a new version of its VirusScan Enterprise software contains so-called “intrusion prevention” features that can protect computers from attacks such ...

The latest upgrade to McAfee’s VirusScan Enterprise security software is causing hiccups for some versions of IBM’s Lotus Notes, the companies warned. The problem affects users who have upgraded to ...