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Peiter Zatko, former security chief, brought allegations of widespread security threats and spam concerns against the company

Startling new revelations from Twitter’s former head of security, Peiter Zatko, have raised serious new questions about the security of the platform’s service, its ability to identify and remove fake accounts, and the truthfulness of its statements to users, shareholders and federal regulators

A whistle-blower complaint from Twitter Inc.’s former head of security, claiming severe shortcomings in the social media company’s handling of users’ personal data, will have wide ramifications for the business.

Twitter's former security head is accusing the company of ignoring major security vulnerabilities and misrepresenting the number of fake accounts on the platform.

Elon Musk has spent months trying to get out of his $44 billion agreement to buy Twitter, saying the company has undercounted its fake and spam accounts

Peiter Zatko has accused the company of ‘deliberate ignorance’ regarding the site’s spam accounts.

Whistle-blower alleges that the company misled regulators about deficiencies in its ability to protect users against hackers or even spam

A former head of security at Twitter alleged that the company misled regulators about its cybersecurity defenses, privacy protections and its ability to detect and root out fake accounts, according to a whistleblower complaint filed with US officials. The revelation could create serious legal and financial problems for the social…

Peiter Zatko says company deceived users, board members and the federal government about the strength of its security measures