Twitter Reportedly Fires Head of Security, CISO to Leave

Application Security
Fraud Management & Cybercrime
Next-Generation Technologies & Secure Development

Decision Based on Assessment of How the Firm was Being Led Says Memo Quoted By NYT

Twitter Reportedly Fires Head of Security, CISO to Leave
Departures possibly related to Twitter’s recent embrace of web3 technologies? (Source: ISMG Files)

Twitter has said it is firing Peiter Zatko, the network security expert that it hired late 2020 as head of security.

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The changes in the security team followed “an assessment of how the organization was being led,” according to a company memo shared with The New York Times.

Zatko, known by the handle “Mudge,” gained fame as a member of the “Cult of the Dead Cow” ethical hacking collective in the 1990s and later moved to top cybersecurity research positions at the Defense Advanced Research and Projects Agency, aka DAPRA, and Google.

Twitter’s chief executive Parag Agarwal, who took over from Jack Dorsey in November, also announced that industry veteran Rinki Sethi, the chief information security officer, will be departing in the coming weeks. However, the company did not specify if the departure is voluntary.

Sethi in a tweet confirmed her departure and said, “It is with a heavy heart that I announce my impending departure from Twitter. Thanks to all of you that have reached out to check in with me, I appreciate all the kind words, thoughts and love being sent my way.”

Neither Sethi nor Zatko responded to…