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Microsoft Confirms Hacker Group Lapsus$ Breached Its Systems

  • Company says it found an account that was compromised
  • Microsoft cybersecurity team has been tracking group for weeks

Microsoft Corp. said that the hacker group Lapsus$ gained “limited access” to its systems, following a claim by the group that it obtained source code for the Bing search engine and Cortana voice assistant.

The software giant had been tracking the activities of Lapsus$ -- which it labels a “large-scale social engineering and extortion campaign” -- for several weeks and provided some details on the methods of its attacks in a blog post late Tuesday. Lapsus$ had previously breached the cybersecurity defenses of Nvidia Corp. and Samsung Electronics Co., and this week also claimed to have gained access to the system privileges of Okta, the San Francisco-based company that manages user authentication services for thousands of corporate clients.