From an article linked in the OP (https://www.reuters.com/markets/deals/twitters-former-security-head-alleges-company-misled-regulators-about-security-2022-08-2

From an article linked in the OP (https://www.reuters.com/markets/deals/twitters-former-security-head-alleges-company-misled-regulators-about-security-2022-08-23/ https://www.reuters.com/markets/deals/twitters-former-securi...), mudge is the alias of Twitter's ex-head of security Peiter Zatko.