Google, Twitter Security Chiefs Leaving Companies

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Michael Coates, the chief information security officer (CISO) of Twitter, announced on Wednesday that he has decided to leave the social media giant. Google security chief Gerhard Eschelbeck has also announced his departure.

Coates, who joined Twitter in January 2015, says he will co-found a cybersecurity startup, but has not shared any details.

Twitter CISO Michael Coates leaves company

According to his LinkedIn profile, Coates has been working in cybersecurity since 2004, including at Motorola, Aspect Security and Shape Security. Between March 2010 and October 2013, he led Mozilla’s Security Assurance program.

Until recently he was on the global board of directors of the OWASP Foundation, and is presently on the board of several organizations, including Comprehend Systems, Synack, and Vendor Security Alliance.

The Verge reported that Joseph Camilleri, a senior manager for information security and risk, will act as interim CISO at Twitter following Coates’ departure. 

Eschelbeck, vice president of security and privacy engineering at Google, also announced his departure on Wednesday, but has not shared his plans for the future.

Icamtuf leaves Google

Eschelbeck, known online as lcamtuf, previously held leadership positions at McAfee, Qualys, Webroot and Sophos. He joined Google in October 2014.

The announcements made by Eschelbeck and Coates come just days after reports that Facebook CISO Alex Stamos is leaving the social media giant in the wake of internal clashes over how to deal with the platform being used to spread misinformation.

“Despite the rumors, I’m still fully engaged with my work at Facebook,” Stamos said in response to a New York Times article on his alleged departure from Facebook. “It’s true that my role did change. I’m currently spending more time exploring emerging security risks and working on election security.”

Related: WhatHat’s Jeremiah Grossman Leaving Security Firm

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Eduard Kovacs is a contributing editor at SecurityWeek. He worked as a high school IT teacher for two years before starting a career in journalism as Softpedia’s security news reporter. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering.

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