was a spyware detection and removal application developed by
GIANT Company Software, Inc . The original version of GIANT AntiSpyware was written by Andrew Newman and Ron Franczyk. GIANT Company Software, Inc. was acquired by
Microsoft Corporation on
December 16 2004 . GIANT AntiSpyware is no longer sold and Microsoft stopped releasing spyware definition updates for it in August 2006.
Microsoft's
Windows Defender (formerly Microsoft AntiSpyware) program is built upon a restructured version of GIANT AntiSpyware.
