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Ransomware Gangs Claimed More Than 5,000 Attacks in 2024

ID: af234c73-0b4b-5558-bb42-0672947fd289

STIX ID: report--af234c73-0b4b-5558-bb42-0672947fd289

Feed Name: KnowBe4 Blog

Threat Score
78/100

Date Published: 2025-01-17

Date Updated: 2026-04-28

Author: Stu Sjouwerman

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Comparitech’s 2024 Ransomware Roundup reports that ransomware groups claimed 5,461 attacks in 2024 (1,204 publicly confirmed), with confirmed incidents resulting in 195.4 million breached records; average ransom demands exceeded $3.5M and average ransoms paid $9.5M. The review names the most prolific gangs (RansomHub, LockBit, Medusa, Play), identifies ALPHV/BlackCat as responsible for the largest volume of breached records, highlights large payouts (Dark Angels cited for a $75M payout), and warns that phishing/social engineering remain primary initial access vectors while exploits like Clop’s Cleo may drive additional breaches.

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