Twitter’s CISO (chief information security officer) Lea Kissner has announced that they are quitting from their role in the company. Their decision comes in the wake of Twitter going through a perturbing time post Elon Musk’s takeover and the several changes he is bringing to the social media company.

US President Joe Biden also seems to be concerned about Musk’s Twitter acquisition, and when asked about the billionaire tycoon’s deals with foreign countries during his first post-midterm press meet, the 79-year-old POTUS said that the “situation is worth being looked at”.

Kissner said in a tweet, “I’ve made the hard decision to leave Twitter. I’ve had the opportunity to work with amazing people and I’m so proud of the privacy, security, and IT teams and the work we’ve done.”

In a follow up reply to scientist Matt Blaze, Kissner said, “I’ve loved this job and we got *so* much done, but here we are.”

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Kissner has not yet made clear whether any specific reason has made her quit the social media giant. Twitter recently laid off a staggering number of employees, and this has also brewed turmoil within the company’s ranks. 

CNN reports that there are concerns among a section of the company’s employees about legal issues it can face before the Federal Trade Commission, which has been made clear by a Slack message it has seen. An unnamed employee wrote in the message that Musk is now “recouping the losses he’s incurring as a result of failing to get out of his binding obligation to buy Twitter.”

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The post went on to claim that human rights organisations and political activists might be on the backfoot following Musk’s decision to monetise the platform.

The FTC has also released a statement in this regard via a spokesperson. The statement says that the body is “tracking recent developments at Twitter with deep concern”, further adding, “Our revised consent order gives us new tools to ensure compliance, and we are prepared to use them.”