Twitter’s most senior cybersecurity staffer Lea Kissner has departed the social media giant. Kissner announced the move in a tweet on Thursday, saying they made the “hard decision” to leave Twitter, but did not say for what reason they resigned. Elon Musk completed a $44 billion takeover of Twitter two weeks ago, resulting in layoffs affecting more than half of the company and the departure of senior executives, including CEO Parag Agrawal, General Counsel Sean Edgett and Legal Policy chief Vijaya Gadde. News of Kissner’s departure was first reported by Casey Newton. Twitter’s chief privacy officer Damien Kieran has also resigned, and reportedly so has chief compliance officer Marianne Fogarty, according to Newton, citing messages shared in Twitter Slack. The departures raise regulatory questions, specifically related to who is tracking activity on the platform and making sure Twitter is reporting information and remaining compliant with existing frameworks. “We are tracking recent developments at Twitter with deep concern,” a spokesperson from the FTC said in a statement provided to TechCrunch. “No CEO or company is above the law, and companies must follow our consent decrees. Our revised consent order gives us new tools to ensure compliance, and we are prepared to
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