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The 10 Biggest Cyber And Ransomware Attacks Of 2021

Technology, food production and critical infrastructure firms were hit with nearly $320 million of ransom demands in 2021, and reportedly paid the ransom in four of the year’s 10 largest cyber and ransomware attacks.

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T-2. Accenture

Ransom Requested: $50 Million

The Accenture ransomware attack was publicly revealed Aug. 11 and allegedly provided the LockBit ransomware group with sufficient data to breach some clients of Dublin, Ireland-based Accenture, No. 1 on the 2021 CRN Solution Provider 500. LockBit demanded a $50 million ransom payment to stop the leak of six terabytes of data they had allegedly stolen from Accenture.

VX-Underground, which claims to have the internet’s largest collection of malware source code, said that the LockBit ransomware group released 2,384 Accenture files for a brief time Aug. 11. In addition, Q6 Cyber found that the LockBit ransomware operators published more than 2,000 Accenture files to the Dark Web, including PowerPoint presentations, case studies, quotes, and so on.

Then in September, LockBit said they had taken advantage of credentials accessed during the Accenture attack to go after the consulting giant’s customers, compromising an airport that was using Accenture software and encrypting their systems. Accenture pushed back, telling CRN, “We have completed a thorough forensic review of documents on the attacked Accenture systems. This claim is false.”

 
 
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