On March 12, 2025, a joint cybersecurity advisory was issued by the Cybersecurity and Infrastructure Security Agency, the Federal Bureau of Investigation, and the Multi-State Information Sharing and Analysis Center to advise companies about the tactics, techniques and procedures (TTPs), and indicators of compromise (IOCs) to protect themselves against Medusa ransomware.

According to the advisory:

The Department of Homeland Security Cybersecurity and Infrastructure Security Agency (CISA) recently released a free tool that will assist organizations with identifying indicators of compromise following threat activity in Microsoft 365 and Azure Environments.

The new CISA Hunt and Incident Response Program (CHIRP) tool, “is a forensics collection tool that CISA developed to help network