Fog Ransomware Attacking US Organizations Leveraging Compromised VPN Credentials

Cybersecuritynews •Tushar Subhra Dutta • January 9, 2026

A new ransomware variant called Fog has emerged as a significant threat to educational and recreation organizations across the United States. Starting in early May 2024, Arctic Wolf Labs began monitoring its deployment across multiple incident response cases, with 80 percent of affected organizations operating in the education sector while 20 percent were in recreation. […]

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Fog Ransomware Targets US Educational and Recreation Sectors via VPN Credentials The Fog ransomware variant has been identified as a significant threat to US organizations, particularly in the education and recreation sectors. Since early May 2024, Arctic Wolf Labs has reported that 80% of affected organizations are educational institutions, with the remaining 20% in recreation. The attacks exploit compromised VPN credentials, highlighting vulnerabilities in legacy systems. 3 sources 56

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Fog Ransomware Attacking US Organizations Leveraging Compromised VPN Credentials

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