Things I already know (Mostly in order by timeline):
- Was appointed as Director of the Cybersecurity and Infrastructure Security Agency in the United States Department of Homeland Security from November 2018 until November, 17, 2020.CNBC
- On November 17, 2020, president Donald Trump, fired Krebs for contradicting his claims of [election fraud](2020%20Voter%20fraud.md Voter Fraud>) in the 2020 United States presidential election.CNBC Twitter