#StopRansomware: MedusaLocker

CISA, the Federal Bureau of Investigation FBI, the Department of the Treasury Treasury, and the Financial Crimes Enforcement Network FinCEN have released a joint Cybersecurity Advisory CSA, StopRansomware: MedusaLocker, to provide information on MedusaLocker ransomware. MedusaLocker actors target...

Joint CISA-FBI Cybersecurity Advisory on Sophisticated Spearphishing Campaign

CISA and the Federal Bureau of Investigation FBI are responding to an ongoing spearphishing campaign targeting government organizations, intergovernmental organizations, and non-governmental organizations. A sophisticated cyber threat actor leveraged a compromised end-user account from Constant...

Joint CISA-FBI Cybersecurity Advisory on DarkSide Ransomware

CISA and the Federal Bureau of Investigation FBI have released a Joint Cybersecurity Advisory CSA on a ransomware-as-a-service RaaS variant—referred to as DarkSide—recently used in a ransomware attack against a critical infrastructure CI company. Cybercriminal groups use DarkSide to gain access t...