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Microsoft says early June service outages were cyberattacks

Published 06/17/2023, 08:19 PM
Updated 06/17/2023, 08:20 PM
© Reuters. FILE PHOTO: The Microsoft sign is shown on top of the Microsoft Theatre in Los Angeles, California, U.S. October 19,2018.  REUTERS/Mike Blake

(Reuters) - Microsoft (NASDAQ:MSFT) said on Friday that the outages that affected certain services of the company through some of the earlier days of this month were the result of cyberattacks, but said it saw no evidence of any customer data being accessed or compromised.

"Beginning in early June 2023, Microsoft identified surges in traffic against some services that temporarily impacted availability'" the company said in a blog post.

Microsoft said it opened an investigation and began tracking the DDoS activity by the threat actor it refers to as Storm-1359 after it identified the threat.

Microsoft did not immediately respond to a request by Reuters as to whether the company had identified the party responsible for the attack.

© Reuters. FILE PHOTO: The Microsoft sign is shown on top of the Microsoft Theatre in Los Angeles, California, U.S. October 19,2018.  REUTERS/Mike Blake

DDoS attacks work by directing high volumes of internet traffic towards targeted servers in a relatively unsophisticated bid to knock them offline.

Microsoft's 365 software suite, including Teams and Outlook, were down for more than two hours for over thousands of users on June 5 and a brief recurrence the following morning. That was the fourth such outage for Microsoft in a year.

Latest comments

Amazing. After 33 years Microsoft admits they still don't have the capability of stopping attacks from taking down their sites. Nothing is safe. Everything is vulnerable.
Being down should not be a big problem. Not losing datas is the important point.
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