![Sophos Security show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/061/577/small/sophos-security.jpg)
Summary: John Shier joined Chet this week as they discussed the death of UNIX and C co-creator Dennis Ritchie, the Virus Bulletin 2011 conference, Apple's release of iOS 5 and OS X 10.7.2, Microsoft Patch Tuesday, and the German R2D2 Trojan.
Summary: John Shier joined Chet this week as they discussed the death of UNIX and C co-creator Dennis Ritchie, the Virus Bulletin 2011 conference, Apple's release of iOS 5 and OS X 10.7.2, Microsoft Patch Tuesday, and the German R2D2 Trojan.