Microsoft Revokes 200 Fraudulent Certificates Linked to Rhysida Ransomware Operations. Cybersecurity News Microsoft Revokes 200 Fraudulent Certificates Linked to Rhysida Ransomware Operations. admin October 18, 2025 On October 15, 2025, Microsoft announced the revocation of over 200 certificates used by a threat actor... Read More Read more about Microsoft Revokes 200 Fraudulent Certificates Linked to Rhysida Ransomware Operations.
