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Hackers compromised some web email services managed by Microsoft


Brink

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On the heels of a trove of 773 million emails, and tens of millions of passwords, from a variety of domains getting leaked in January, Microsoft has faced another breach affecting its web-based email services.

Microsoft has confirmed to TechCrunch that a certain “limited” number of people who use web email services managed by Microsoft — which cover services like @msn.com and @hotmail.com — had their accounts compromised.

“We addressed this scheme, which affected a limited subset of consumer accounts, by disabling the compromised credentials and blocking the perpetrators’ access,” said a Microsoft spokesperson in an email.

According to an email Microsoft has sent out to affected users (the reader who tipped us off got his late Friday evening), malicious hackers were potentially able to access an affected user’s e-mail address, folder names, the subject lines of e-mails, and the names of other e-mail addresses the user communicates with — “but not the content of any e-mails or attachments,” nor — it seems — login credentials like passwords.

Microsoft is still recommending that affected users change their passwords regardless.

The breach occurred between January 1 and March 28, Microsoft’s letter to users said...

Microsoft recently became aware of an issue involving unauthorized access to some customers’ web-based email accounts by cybercriminals. We addressed this scheme by disabling the compromised credentials to the limited set of targeted accounts, while also blocking the perpetrators’ access. A limited number of consumer accounts were impacted, and we have notified all impacted customers. Out of an abundance of caution, we also increased detection and monitoring to further protect affected accounts.

Read more: Microsoft: Hackers compromised support agent TechCrunch
 

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