Microsoft warned of passkey social engineering attacks hitting tenants. Learn how passkey social engineering targets enterprise cloud identities.

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The post Passkey Social Engineering Attacks Breach Enterprise Cloud Data appeared first on Daily CyberSecurity.

Discover how the PREY-0058 extortion campaign uses Microsoft 365 vishing attacks and AiTM tactics to bypass MFA, steal cloud data, and demand high ransoms.

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The post PREY-0058: Microsoft 365 Vishing Attacks Extort Firms appeared first on Daily CyberSecurity.

A Microsoft 365 RejectDirectSend bypass lets attackers spoof internal emails. Learn how this RejectDirectSend bypass works and how to protect your tenant.

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The post Microsoft 365 RejectDirectSend Bypass Lets Attackers Spoof Internal Emails appeared first on Daily CyberSecurity.

Exchange Online blocking of outdated Exchange 2016 and 2019 servers begins in September 2026, requiring the October 2025 update baseline.

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The post Exchange Online to Throttle and Block Outdated Exchange 2016 and 2019 Servers appeared first on Daily CyberSecurity.