Democracy Dies in Darkness
On Sept. 13, Peiter Zatko testified before a Senate committee that Twitter executives misled the public about the failed state of its data security practices. (Video: The Washington Post)

Twitter whistleblower says security holes cause ‘real harm to real people’

Peiter “Mudge” Zatko’s Capitol Hill testimony expanded on his complaint to federal regulators, raising privacy and national security concerns among lawmakers and adding to the company’s political problems

7 min
A Twitter whistleblower on Tuesday testified before Congress that the company’s failure to secure sensitive data causes “real harm to real people,” prompting senators to grapple with Washington’s inability to effectively regulate major social networks.  

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