GIANT Company Software, Inc. developed internet security products, including GIANT Spam Inspector, GIANT Popup Inspector, and GIANT AntiSpyware. GIANT's head office was located in New York, NY, and it also had offices in Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

 and Atlanta, GA. GIANT Company Software was founded by Ronald Franczyk and Andrew Newman.

Microsoft Corporation acquired GIANT on December 16, 2004. Microsoft based its Windows Defender

Windows Defender

Windows Defender, formerly known as Microsoft AntiSpyware, is a software product from Microsoft to prevent, remove, and quarantine spyware in Microsoft Windows...

 (formerly Microsoft AntiSpyware) program on the core technology of GIANT AntiSpyware.

Applications released by GIANT Company Software:

• Spam Inspector - Anti-spam protection for Microsoft Outlook
  Microsoft Outlook
  Microsoft Outlook is a personal information manager from Microsoft, available both as a separate application as well as a part of the Microsoft Office suite...
  
  , Outlook Express
  Outlook Express
  Outlook Express is an email and news client that is included with Internet Explorer versions 4.0 through 6.0. As such, it is also bundled with several versions of Microsoft Windows, from Windows 98 to Windows Server 2003, and is available for Windows 3.x, Windows NT 3.51, Windows 95 and Mac OS 9...
  
  , Hotmail
  Hotmail
  Windows Live Hotmail, formerly known as MSN Hotmail and commonly referred to simply as Hotmail, is a free web-based email service operated by Microsoft as part of its Windows Live group. It was founded by Sabeer Bhatia and Jack Smith and launched in July 1996 as "HoTMaiL". It was one of the first...
  
  , Incredimail and Eudora
  Eudora (e-mail client)
  Eudora is an e-mail client used on the Apple Macintosh and Microsoft Windows operating systems. It also supports several palmtop computing platforms, including Newton and the Palm OS....
  
  .
• Popup Inspector - Anti-popup protection for Internet Explorer and Netscape.
• GIANT AntiSpyware
  GIANT AntiSpyware
  GIANT AntiSpyware was a spyware detection and removal application developed by GIANT Company Software, Inc.GIANT Company Software, Inc. was acquired by Microsoft Corporation on December 16, 2004...
  
  - Anti-spyware and anti-malware desktop application for Windows.

External links

• Official Website (no longer exists; it will redirect you to Microsoft's Windows Defender home page)