Microsoft Teams
4 articles tagged "Microsoft Teams"

Identity Compromise Behind 80% of Cyber Incidents, Report Shows
Field Effect's 2026 Cyber Threat Outlook reveals that more than 80% of cybersecurity incidents investigated in 2025 stemmed from cloud identity compromise, marking a significant shift in attack strategies. The report shows threat actors are increasingly bypassing traditional exploits by abusing trusted identities and collaboration platforms to gain corporate access.

Identity Compromise Behind 80% of Cyber Incidents in 2025
Field Effect's 2026 Cyber Threat Outlook reveals that more than 80% of cybersecurity incidents investigated in 2025 stemmed from cloud identity compromise, marking a significant shift in attack methods. The report shows attackers are increasingly bypassing traditional exploits by abusing trusted identities and collaboration platforms like Microsoft Teams.

Over 200 Fraudulent Certificates Revoked Amid Rhysida Malware Attack
In October 2025, Microsoft revoked over 200 fraudulent certificates exploited in an attack by the Vanilla Tempest group. This operation specifically targeted Microsoft Teams, demonstrating significant cybersecurity risks across multiple sectors.

Microsoft Tackles Ransomware Threats Against Teams Users
Microsoft has thwarted a series of ransomware attacks aimed at Teams users by revoking over 200 malicious certificates. The threat group Vanilla Tempest was behind these attacks, utilizing deceptive tactics to compromise systems.