CISA: Black Basta ransomware breached over 500 orgs worldwide

CISA and the FBI released a joint advisory warning that Black Basta, a Ransomware-as-a-Service criminal group linked to Conti, has compromised over 500 organizations (including healthcare) and exfiltrated/encrypted data across multiple critical infrastructure sectors; the advisory provides observed TTPs, IOCs, notable victims, mitigation guidance, and emphasizes urgent hardening and phishing-resistant MFA to reduce risk.