Security bug allows anyone to spoof Microsoft employee emails | TheTrendyType

by The Trendy Type

A researcher has discovered a bug that enables anybody to impersonate Microsoft company electronic mail accounts, making phishing makes an attempt look credible and extra prone to trick their targets. 

As of this writing, the bug has not been patched. To exhibit the bug, the researcher despatched an electronic mail to TheTrendyType that appeared prefer it was despatched from Microsoft’s account safety crew.

Final week, Vsevolod Kokorin, additionally identified on-line as Slonser, wrote on X (previously Twitter) that he discovered the email-spoofing bug and reported it to Microsoft, however the firm dismissed his report after saying it couldn’t reproduce his findings. This prompted Kokorin to publicize the bug on X, with out offering technical particulars that will assist others exploit it. 

“Microsoft simply stated they couldn’t reproduce it with out offering any particulars,” Koroin advised TheTrendyType in a web based chat. “Microsoft might need observed my tweet as a result of a number of hours in the past they reopen [sic] one among my stories that I had submitted a number of months in the past.”

The bug, in line with Kokorin, solely works when sending the e-mail to Outlook accounts. Nonetheless, that could be a pool of no less than 400 million customers everywhere in the world, according to Microsoft’s latest earnings report

Kokorin stated he final adopted up with Microsoft on June 15. Microsoft didn’t reply to TheTrendyType’srequest for touch upon Tuesday. 

TheTrendyType just isn’t divulging technical particulars of the bug with a view to forestall malicious hackers from exploiting it.

“I didn’t count on my publish to get such a response. Truthfully, I simply wished to share my frustration as a result of this case made me unhappy,” Kokorin stated. “Many individuals misunderstood me and assume that I would like cash or one thing like that. In actuality, I simply need corporations to not ignore researchers and to be extra pleasant once you attempt to assist them.”

It’s not identified if anybody aside from Kokorin discovered the bug, or if it has been maliciously exploited.

Whereas the specter of this bug, at this level, is unknown, Microsoft has skilled a number of safety issues lately, prompting investigations by both federal regulators and congressional lawmakers

Final week, Microsoft president Brad Smith testified in a House hearing after China stole a tranche of U.S. federal government emails from Microsoft’s servers in 2023. Within the listening to, Smith pledged a renewed effort to prioritize cybersecurity within the firm after a slew of safety embarrassments. 

Months earlier in January, Microsoft confirmed {that a} Russian-government linked hacking group had broken into Microsoft corporate emails accounts to steal details about what the corporate’s high executives knew concerning the hackers themselves. And final week, ProPublica revealed that Microsoft had didn’t heed warnings a few vital flaw that was later exploited within the Russian-backed cyber espionage marketing campaign that focused tech firm SolarWinds.

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