Caleb Sima


San Francisco


Customer Experience, Mobile


Caleb Sima is the CEO of Bluebox Security. Before the founding of Bluebox Security, Caleb Sima was EIR at Andressen Horowitz. Prior to this Caleb was CEO of Armorize Technologies, an internationally acclaimed, SaaS-based Web Malware monitoring and code security analysis firm headquartered in San Francisco. Before his tenure at Armorize, Caleb served as Chief Technology Officer for HP’s Application Security Center and was responsible for directing the lifecycle of the company’s web application security solutions. He joined HP following the acquisition in 2007 of SPI Dynamics, the company he co-founded and led as CTO, where he oversaw the development of WebInspect – a solution that set the bar in Web application security testing tools. Prior to co-founding SPI Dynamics in early 2000, Caleb worked for Internet Security Systems’ elite X-Force R&D team and as a Security Engineer for S1 Corporation.

Caleb has been engaged in the Internet security arena since 1996 and has become widely recognized as a leading expert in web security, penetration testing and the identification of emerging security threats. His pioneering efforts and expertise in web security have helped define the direction of the web application security industry. Caleb is a member of ISSA and is one of the founding visionaries of the Application Vulnerability Description Language (AVDL) standard within OASIS, as well as a founding member of the Web Application Security Consortium (WASC). He is also a Microsoft Most Valuable Professional (MVP) in Visual Developer Security, a frequent speaker, press resource, and is featured regularly in the Associated Press and global security media.

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