Twitter whistleblower won hacker kudos, fired over performance

Peiter Zatko, also known by the hacker nickname ‘Mudge’, is a longtime cybersecurity executive who over the years has held various technology-related roles with the US Defense Advanced Research Projects Agency, Google and the payment service Stripe Inc. — AFP

The former Twitter Inc security chief alleging that the company misled investors about data protection issues is no stranger to high-pressure situations.

Peiter Zatko, also known by the hacker nickname “Mudge”, is a longtime cybersecurity executive who over the years has held various technology-related roles with the US Defense Advanced Research Projects Agency, Google and the payment service Stripe Inc.