0 FacebookTwitterPinterestWhatsapp Safety & Security Microsoft Revokes 200 Fraudulent Certificates Used in Rhysida Ransomware Campaign by David Walker October 17, 2025 by David Walker October 17, 2025 0 comments Oct 17, 2025Ravie LakshmananMalware / Cybercrime Microsoft on Thursday disclosed that it revoked more than 200 certificates used by a threat actor it tracks as Vanilla Tempest to fraudulently sign … Read more