Microsoft Hacked: What To Do When a Business Microsoft Account Has Been Hacked

In January 2020 alone, Microsoft reported that 1.2 million accounts were compromised—about 0.5% of all enterprise accounts on their system.

These Microsoft hacking numbers show just how common cyber threats are, even for businesses using advanced security measures. 

With cybercriminals constantly evolving their methods, it's more important than ever to recognize the warning signs of a compromised account and take action before serious damage occurs.

This guide will walk you through the red flags of a hacked Microsoft account, how to recover access if you’ve been locked out, and what steps to take to strengthen your security. 

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Microsoft hacked 101

Microsoft hacked: 7 signs your Microsoft account has been hacked

Wondering if you’re Microsoft hacked? These warning signs can help you determine if a hacker has gained access and what actions you should take next.

1. Unfamiliar sign-in activity

A major red flag in Microsoft hacking is detecting successful sign-ins from unknown locations or devices. Hackers often gain unauthorized access using stolen credentials or brute force attacks.

Checking the recent activity page in account settings can reveal suspicious logins. If any login attempts appear unfamiliar, immediate action is necessary.

2. Unexpected password changes

If you suddenly cannot sign in to your Microsoft account, a hacker may have reset your password. Microsoft typically sends an email alert or SMS notification when an account password is changed.

If this action was not authorized, use the reset your password option and enable additional security features like multi-factor authentication (MFA) for added protection.

3. Emails sent without your knowledge

Cybercriminals often exploit Microsoft hacked accounts to send scam emails or phishing messages. If contacts report receiving suspicious messages from your email address, check your sent folder for any unauthorized activity.

Scammers may also modify forwarding settings to redirect emails to an external account without the owner’s knowledge.

4. Security alerts from Microsoft hacking

Receiving an alert from Microsoft warning about unusual activity or a compromised account is a strong indicator of unauthorized access.

These alerts usually provide instructions on how to recover a hacked account and secure login credentials. Ignoring these warnings can lead to further breaches.

5. Unrecognized changes to account settings

Hackers often modify security settings, including backup email addresses or phone numbers, to maintain access.

They may also disable multi-factor authentication, making it easier to log in undetected. Reviewing profile information and security settings can help detect unauthorized changes.

6. Unauthorized purchases or subscriptions

If linked payment methods show unfamiliar transactions or Microsoft 365 subscriptions, an attacker may have accessed financial information stored in the account.

It’s crucial to report fraudulent charges and secure the account by resetting passwords and enabling strong authentication measures.

7. Microsoft services behaving erratically

Microsoft hacked accounts may experience disruptions across Microsoft services, including Outlook, Skype, and OneDrive. If files disappear, settings reset randomly, or emails are missing, these could be signs of an intrusion.

Running a malware scan using Windows Defender or another antivirus program can help detect and remove malicious software.

What to do during Microsoft hacking

What to do if your Microsoft business account is hacked

Concerned about Microsoft hacking? Follow these steps to secure your account and prevent further breaches.

Step 1: Reset your password immediately

If there’s a suspicion of hacking, the first step is to reset your password using Microsoft’s recovery tools.

Choose a strong password that combines uppercase and lowercase letters, numbers, and symbols. Avoid using common words or previously used passwords.

Step 2: Check your account security settings

Log in to your Microsoft account and navigate to security settings. Verify that all security details, such as email address or phone number, remain unchanged.

If any information was modified, update it immediately and remove unrecognized recovery options.

Step 3: Enable Multi-Factor Authentication (MFA)

MFA provides an extra layer of protection by requiring a secondary verification step, such as a code sent to the Microsoft Authenticator phone app or an SMS message.

Enabling MFA can prevent unauthorized access even if login credentials are compromised.

Step 4: Review and remove unauthorized devices

Go to the recent activity page to check for unrecognized devices accessing the Microsoft hacked account.

Remove any unauthorized devices and sign out of all active sessions to cut off hacker access.

Step 5: Scan your PC for malware

Microsoft hacking techniques often use malware to steal login credentials and monitor keystrokes.

Running a full system scan using Windows Defender or a trusted antivirus program can detect and remove any threats that may have compromised account security.

Step 6: Contact Microsoft support

If access to the account is completely lost, contact Microsoft support for further assistance.

Microsoft provides a sign-in helper tool to guide users through the recovery process. If necessary, an agent can assist in restoring access and securing the account.

Step 7: Check forwarding and email rules

Cybercriminals often modify forwarding settings to secretly copy emails to their accounts.

Check for any unusual email forwarding rules or filters that automatically delete or redirect messages. Removing unauthorized rules or replies to help prevent information leaks.

Step 8: Monitor financial transactions

If payment details were stored in the Microsoft hacked account, check linked bank statements and Microsoft 365 subscription activity for unauthorized charges.

Report fraudulent transactions to Microsoft and the bank to prevent further losses.

Step 9: Strengthen security across all connected accounts

If the compromised Microsoft account was linked to third-party services like Dropbox, Zoom, or Slack, update those passwords immediately.

Cybercriminals in Microsoft hacking often exploit a single breach to gain access to multiple platforms.

Step 10: Educate employees about cybersecurity risks

For businesses using Microsoft 365, training employees on scam emails, phishing attacks, and unauthorized access risks can prevent future breaches.

Implementing regular security audits and using Azure authentication tools can enhance protection.

Are Microsoft business accounts more vulnerable to hackers?

Microsoft business accounts are often targeted due to the sensitive data they store. Hackers use phishing schemes, credential stuffing, and malware infections to gain access.

Unlike personal accounts, business accounts are linked to critical services like Microsoft 365 and Office, making them high-value targets.

One of the primary risks in Microsoft's hacked accounts is unauthorized access via weak authentication methods. Many organizations rely on simple password protection without enabling multi-factor authentication, leaving accounts exposed.

Additionally, employees may unknowingly give away credentials by interacting with scam emails posing as official Microsoft messages.

Another factor increasing vulnerability is the lack of regular security updates. Businesses that fail to update account settings, security policies, and antivirus programs expose their systems to breaches.

Enforcing strong password policies, enabling multi-factor authentication, and monitoring successful sign-ins can help protect Microsoft business accounts from cyber threats.

How to protect your Microsoft account

How to make your Microsoft business account safe from hackers

To protect your Microsoft business account from hackers, follow these key security measures:

  • Use strong, unique passwords – Avoid simple passwords and update them regularly to prevent Microsoft hacking.

  • Enable Multi-Factor Authentication (MFA) – Adds an extra layer of security to prevent unauthorized access.

  • Monitor account activity – Check your recent activity page for unusual logins or access attempts.

  • Update security settings – Regularly review and adjust security info and authentication methods.

  • Be aware of phishing attacks – Do not click on suspicious links or attachments in scam emails.

  • Keep software and antivirus updated – Use Windows Defender and other security tools to prevent Microsoft hacked accounts.

  • Restrict access to business accounts – Ensure only authorized users can access sensitive business data.

  • Regularly back up important files – Protect valuable information from cyber threats and ransomware attacks.

Is it still safe to use the account after a Microsoft hacking?

Microsoft remains a safe and widely used platform, but like any digital service, it is not immune to cyberattacks. The company continuously improves security features, such as multi-factor authentication, Windows Defender, and Azure security tools, to combat threats.

Businesses and individual users can significantly reduce risks by following best practices such as using strong passwords, enabling MFA, and being vigilant against phishing scams.

While hackers frequently attempt to exploit vulnerabilities, Microsoft’s security measures evolve to counter these threats.

The key to staying safe against Microsoft hacking is proactive security management, ensuring that Microsoft account security settings are up to date and monitoring accounts for unusual activity.

Need more help? Choose Roxie I.T. to protect your Microsoft business accounts

Cybersecurity threats are constantly evolving, and businesses need a trusted partner to safeguard their Microsoft accounts.

Roxie I.T. provides comprehensive IT services, ensuring that Microsoft 365 and Office accounts remain protected against unauthorized access, phishing scams, and malware attacks.

With advanced security solutions, real-time monitoring, and multi-factor authentication implementation, our team helps businesses stay ahead of cyber threats.

Contact us today to secure your Microsoft business accounts and protect your sensitive data.

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Frequently asked questions

How can I check if my Microsoft account has been hacked?

You can check your Microsoft account status by visiting the recent activity page in your account settings. Look for any unauthorized access, suspicious sign-ins, or alerts from Microsoft support.

What should I do if my Microsoft account has been hacked?

Immediately reset your password, review your security info, and enable multi-factor authentication (MFA) to stop Microsoft hacking. If you need more help, contact Microsoft support to recover your account.

How do hackers compromise Microsoft accounts?

Hackers use phishing scams, malware, and weak passwords to gain unauthorized access. They may also exploit Microsoft 365 and Office vulnerabilities or steal authentication credentials.

How do I recover a hacked Microsoft account?

To recover a hacked account, go to the Microsoft account recovery page, follow the see steps guide, and use the sign-in helper tool. If locked out, contact Microsoft support for assistance.

How can I keep my Microsoft account safe?

Use a strong password, enable MFA, monitor successful sign-ins, and check forwarding settings for changes. Keep your PC protected with Windows Defender and an antivirus program.

What are common signs of a Microsoft account scam?

Scam emails, unexpected password resets, strange emails sent, and sudden profile information changes can all indicate a compromised account.

Can Microsoft support help if my business account is hacked?

Yes, Microsoft support provides authentication tools and security settings assistance to help recover a hacked business account. If you need more help, you can talk to an agent.

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