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M365 Show - Microsoft 365 Digital Workplace Daily

Microsoft Security Pulse: Protect, Detect, Defend

What Is a Suspected Brute-Force Attack and How Can It Happen with New Passwords

Mirko Peters - M365 Specialist's avatar
Mirko Peters - M365 Specialist
Aug 13, 2025
∙ Paid

A suspected brute-force attack happens when there are many failed logins. Attackers try lots of passwords, even if you made a new one. You may think new passwords protect you, but attackers can still go after your account. It is important to know how this is different from a password spray attack, because each attack works in its own way.

Key Takeaways

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