Although the software giant will stop providing updates to the venerable OS this April, it will keep offering anti-malware updates until July 2015.
The operating system is meant to protect industrial systems from cyberattack by preventing any third-party code from executing.
That resounding "Atchoo!" sound you just heard is a collective sneeze coming from thousands of infected Macs. Will you install anti-malware software now that Mac malware is said to be on the rise?
Security startup Dasient joins Twitter to apply it malware-fighting platform to the "world's largest real-time information network."
Company notes the first anniversary of Microsoft Security Essentials, its free anti-malware software, by publicizing some sobering security statistics.
The company didn't mention anything about adding an anti-malware update to OS X 10.6.4, which it released on Tuesday, Sophos says.
New service is aimed at protecting Web surfers from malware lurking in ads.
Free antimalware service, set to replace Microsoft's subscription-based suite, is scheduled to be available for public beta testing on Tuesday.
The beta 2 version of the company's Forefront Threat Management Gateway beta 2 is its first edge protection service to work on 64-bit servers.
In preparing for the second beta, Microsoft announces security enhancements to Internet Explorer 8 expected in August.