A newly identified ransomware group, Yurei, has emerged as a significant threat to organizations worldwide, with confirmed attacks targeting entities in Sri Lanka and Nigeria across multiple critical industries. First publicly identified in early September 2025, Yurei operates a traditional ransomware-as-extortion model, infiltrating corporate networks, encrypting sensitive data, destroying backup systems, and leveraging a dedicated […] The post Yurei Ransomware: Encryption Mechanics, Operational Model, and Data Exfiltration Methods appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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