Data Breach WatchDBW

Technology

Low

monitoring

Updated 27 days ago

Microsoft Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving Microsoft.
•Discovered on July 26, 2026.
•Possible data exposed: PII, employee contact information, customer contact information, authentication data, password hashes, portal identities, corporate account information, business leads, facilities management records, internal service tickets, access permissions.
•Confirmation level: Based on reports.

Detailed summary

On July 26, 2026, the ExfilSquad ransomware group listed Microsoft on its leak site, claiming to have exfiltrated internal files. The alleged breach involved approximately 8 million entries.

The reported exposed data categories include PII, employee and customer contact information, authentication data, password hashes, portal identities, corporate account information, business leads, facilities management records, internal service tickets, and access permissions. The specific systems or business units affected have not been detailed. No official public breach notification from Microsoft has been identified.

Details regarding the exact number of affected individuals, specific states impacted, and confirmation of data types such as SSNs, medical records, or financial data remain unconfirmed. Further information may emerge as the situation develops, but Microsoft had not issued a public breach notification at the time of the report.

Data possibly involved

PII
employee contact information
customer contact information
authentication data
password hashes
Attackers may try to access other accounts using the same credentials
portal identities
corporate account information
business leads
facilities management records
internal service tickets
access permissions

Company Response Timeline

Breach Occurred

Jul 26, 2026

Company Discovered

Unknown

Regulator Notified

Unknown

Consumers Notified

Unknown

Breach Verification Status

Reports Only

Current

Initial dark web reports of potential breach

Company Confirmed

Company has acknowledged the breach

Regulator Confirmed

Confirmed by regulatory authorities

Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.

Case Status:

Monitoring

We're monitoring this situation for developments.

Were You Affected By This Breach?

If you are a customer or have received a data breach notification, you may submit your information as part of our ongoing investigation. Submitting your information is free and does not obligate you.

Were you in the Microsoft breach? Check your email

Free scan against known breach datasets. Then remove your info from data-broker sites with Data Shield.

No signup required. 30-second scan. Your email is only stored if you opt into alerts.

Get your info off data-broker sites

Data Shield files removal requests with every broker that accepts an authorized agent, and gives you the exact link or letter for the brokers that only accept requests from you.

See how Data Shield works

Check Your Risk Level

Answer a few questions to understand how this breach might affect you

Do you use Microsoft?

Yes

What should I do?

Change your passwords

Update passwords for the affected service and any accounts using the same password

Enable two-factor authentication

Add an extra layer of security to your accounts

Monitor your accounts

Watch for suspicious activity on your financial and online accounts

Watch for phishing attempts

Be cautious of emails or messages claiming to be from the affected company

Consider a credit freeze

Prevent unauthorized access to your credit report

Scan your email for other exposures

Check whether this address shows up in other known breaches. Free, no account.

Get your info off data-broker sites

Data Shield files removal requests with every broker that accepts an authorized agent, and gives you the exact link or letter for the brokers that only accept requests from you.

See how Data Shield works