Last year, during a Senate committee testimony, former Twitter head of security turned whistleblower Peiter Zatko the Chinese government had placed at least one spy undercover as a Twitter employee.

Source: https://gizmodo.com/twitter-elon-musk-saudi-arabia-dissident-kidnapped-suit-1850445803

Remember last August, when an ex-Twitter executive Peiter “Mudge” Zatko accused the blue bird app of routinely failing to delete users’ information from the platform when they deleted their accounts?

Source: https://gizmodo.com/twitter-dm-end-to-end-encryption-elon-musk-1850087497

Zatko gained extensive experience in the cybersecurity field even before he joined Twitter.

Source: https://www.siliconrepublic.com/business/pieter-zatko-rapid7