'''Immunix''' was a commercial [[operating system]] that provided host-based application [[Computer security|security]] solutions. The last release of Immunix's GNU/Linux distribution was version 7.3 on [[November 27]], [[2003]]. Immunix, Inc. was the creator of [[AppArmor]], an application security system.
On [[May 10]], [[2005]], [[Novell]] acquired Immunix, Inc., a long-time partner with Novell.<ref>{{cite web | title=Novell Acquires Immunix, Delivers Industry's Best Application Security for Linux | url=http://www.novell.com/news/press/novell_acquires_immunix_delivers_industrys_best_application_security_for_linux | date=2005-05-10 | publisher=Novell |}}</ref> [[AppArmor]] was one of Novell's primary interests, and as a result, it was adopted by the company and renamed Novell AppArmor powered by Immunix. In September 2007, Novell laid off the [[AppArmor]] team.<ref>{{cite web | title=Novell lays off AppArmor programmers | url=http://www.news.com/8301-13580_3-9796140-39.html?part=rss&subj=news&tag=2547-1_3-0-5 | date=2007-10-10| publisher=CNET |}}</ref>
