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Sunday, April 19, 2026

Key Takeaways From Twitter Whistleblower Hearing - CNET

Former head of security Peiter "Mudge" Zatko testified before a Senate Committee on Tuesday.

Twitter's former head of security told US lawmakers on Tuesday that the influential social media platform's alleged cybersecurity failures "make it vulnerable to exploitation, causing real harm to real people."

"When an influential media platform can be compromised by teenagers, thieves, and spies and the company repeatedly creates security problems on their own, this is a big deal for all of us," he said.

Peiter "Mudge" Zatko, who filed a whistleblower complaint against Twitter in July, appeared before the Senate Judiciary Committee for more than two hours. The hearing underscored how lawmakers are responding to concerns about how well Twitter is safeguarding the data of its 238 million daily users.

Zatko allegedly uncovered various privacy and security problems at Twitter before the company fired him in January. He filed an 84-page whistleblower complaint to the US Securities and Exchange Commission, Department of Justice and the Federal Trade Commission. In the complaint, he alleges his former employer prioritized user growth over privacy and security.

Zatko accuses Twitter executives of hiding bad news instead of trying to fix problems. Twitter appeared to have a high rate of security incidents, some employees had disabled security and software updates on their devices and staff had too much access to user data, Zatko alleges in the complaint. Twitter pushed back against the...



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