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1️⃣ Quadriga Update - https://www.coindesk.com/policy/2022/12/19/bitcoin-addresses-tied-to-defunct-canadian-crypto-exchange-quadrigacx-wake-up/

2️⃣ Guardian Ransomware - https://coingape.com/major-media-house-hit-with-ransomware-attack/

3️⃣ Ankr Hack - https://cryptoslate.com/ankr-reveals-former-team-member-carried-our-hack-on-protocol-in-early-december/