Suspicious Login Issues

How to Protect Your Microsoft Account After Failed Login Attempts

Chanuka Geekiyanage Oct 9, 2026 869 views

Question details

The user needs to secure their Microsoft account after receiving alerts about repeated unsuccessful sign-in attempts by unknown parties.

How to Protect Your Microsoft Account After Failed Login Attempts

Product: Microsoft Account
Device & OS: not provided
Scenario: Receiving repeated failed login alerts, which may indicate password-spraying or an attempted account compromise.
Observed behavior: Suspicious failed sign-in attempts appear in the account activity log, necessitating immediate security interventions to prevent unauthorized access.

Before you start

Ensure you navigate directly to the official Microsoft website (account.live.com) rather than clicking on links in unsolicited emails to avoid falling victim to phishing scams.

Solution 1Recommended

Review Recent Activity and Secure Your Account

Check your Microsoft account activity log and take immediate, comprehensive actions against unauthorized access attempts.

When an attacker attempts to guess your password, Microsoft logs these failed attempts. Reviewing this log helps you confirm if your account is being targeted so you can implement stronger security measures like changing your password and enabling two-factor authentication.

Review Account Activity

Visit https://account.live.com/Activity and log in. Select 'Recent activity' to review the log of sign-in attempts.

Report Suspicious Events

In the 'Unusual activity' section, expand any unfamiliar event and select 'It wasn't me'. In the 'Recent activity' section, select 'Protect your account'.

Update Your Password

Change your password to a strong, unique string of characters that you haven't used on any other website.

Enable Two-Factor Authentication

Turn on two-step verification from the advanced security page to require a secondary approval method for new logins.

Manage Devices and Sessions

Remove unused devices from your account and use the advanced security page to sign out of Outlook on all devices and browsers.

Create an Email Alias

Consider adding an email alias for public registrations so that your primary email address is not exposed when signing up for new services.

Review Recent Activity and Secure Your Account

Contact Support: If you notice successful sign-ins that you did not authorize, contact Microsoft Support immediately for further assistance in recovering and securing your compromised account.

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Frequently Asked Questions

How do I know if the failed login email alert is real or a phishing attempt?

Do not click any links in the email. Instead, manually type account.microsoft.com into your browser, log in, and check the 'Recent activity' page. If there are no failed attempts listed there matching the email's details, the email was likely a phishing attempt.

What is password spraying?

Password spraying is a cyberattack where a hacker tries a few commonly used passwords against many different accounts to avoid triggering account lockouts. This often results in the repeated failed login alerts you see in your account activity.

Will creating a new email alias delete my old emails?

No, adding a new alias and setting it as your primary login will not delete your previous emails, contacts, or account data. You will still receive emails sent to your original address, but you can use the new alias to sign in securely.

Why am I still getting login attempt alerts after changing my password?

Changing your password prevents attackers from successfully logging in, but it does not stop them from trying to guess it. If your email address is known to attackers, they can still attempt to log in, which generates failed login alerts. Using a new alias for your primary sign-in can stop these alerts.

Microsoft Office Security Issues