Keith Brown (author)

Keith Sparkjoy (né Brown; born March 16, 1967) is a computer engineer, technical author on Microsoft Windows security issues. He wrote the SSPI workbench tool.

Sparkjoy was the security columnist for MSDN Magazine for several years starting in 1998 (back when the magazine was called Microsoft Systems Journal). In 2004, with Aaron Skonnard, Fritz Onion, and Bill Williams, he co-founded Pluralsight, a provider of online training for technical professionals. From the company's inception until 2014, he was Pluralsight's Chief Technology Officer. He now serves as the company's Culture Coach.