- Published
- Source
- The Register
- Filed under
- Identity
SPONSORED FEATURE: AI makes phishing easier than ever…
Protecting sign-ins
- Phishing-resistant multi-factor authentication – passkeys or security keys – for administrators first.
- Block the old sign-in methods that skip MFA, and review who can grant apps access to your data.
- Alert on impossible travel, newly added MFA methods and unusual consent grants.
More helpNCSC: multi-factor authentication for online services (opens in a new tab)
Defender’s notebook
The attacker technique behind this story, in MITRE’s terms – and what to check in your own estate.
Valid Accounts
Stealth, Persistence, Privilege Escalation, Initial AccessWhat a defender checks
- Review risky sign-ins: impossible travel, new devices, unusual locations.
- Reset credentials and revoke sessions for affected accounts.
- Put phishing-resistant MFA on admin accounts first.
Build the skillBlue Team Analyst · Identity & Access Monitoring
Phishing
Initial AccessWhat a defender checks
- Search mail flow for the sender, subject and links, and pull every copy from mailboxes.
- Check who clicked or replied, and what signed in afterwards.
- Block the sender and URLs, and tell staff what to look for.
Build the skillBlue Team Analyst · Email & Phishing Investigation
© 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation.
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