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Attackers Use Passkey Phishing to Hijack Microsoft Cloud Accounts and Exfiltrate Data

Microsoft has disclosed details of two campaigns in which threat actors are abusing third-party email delivery infrastructure to blast financial fraud scam messages and using passkey-themed social engineering to breach cloud environments. The first campaign, per the tech giant, involved sending over a million scam emails between August 3 and 5, 2026, by masquerading as chief executive officers

Attackers Use Passkey Phishing to Hijack Microsoft Cloud Accounts and Exfiltrate Data

We haven't written up this one. The Hacker News has the full story — the link below goes straight to it.

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