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List of data breaches and cyber attacks in November 2021 – 223.6 million records breached

IT Governance

Community Medical Centers, Inc. Widely-used DeFi protocol bZx loses $55 million in cyber attack (unknown) Evanston Township High School defrauded of $48,570 in hack (1,139) Hackers plant card-stealing malware on website that sells baron and duke titles (unknown) Costco discloses data breach after finding card skimmer at one of its stores (unknown).

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List of data breaches and cyber attacks in April 2021 – 1 billion records breached

IT Governance

discloses security incident (unknown) St. discloses security incident (unknown) St. Data breaches. In other news… Buying breached data: When is it ethical?