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List of data breaches and cyber attacks in May 2021 – 116 million records breached

IT Governance

But, of course, the nature of ransomware attacks makes it hard for organisations to determine how many records were affected. For the second month in a row, ransomware has dominated our list of data breaches and cyber attacks. Of the 128 publicly disclosed incidents that we discovered in May, more than 40% of them were ransomware attacks.