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March 21, 2022 10:40 pm

Microsoft Investigating Claims of Hacked Source Code Repositories

Microsoft says they are investigating claims that the Lapsus$ data extortion hacking group breached their internal Azure DevOps source code repositories and stolen data. BleepingComputer reports: Unlike many extortion groups we read about today, Lapsus$ does not deploy ransomware on their victim's devices. Instead, they target the source code repositories for large companies, steal their proprietary data, and then attempt to ransom that data back to the company for millions of dollars. While it is not known if the extortion group has successfully ransomed stolen data, Lapsus has gained notoriety over the past months for their confirmed attacks against NVIDIA, Samsung, Vodafone, Ubisoft, and Mercado Libre. Unfortunately, Lapsus$ has a good track record, with their claims of attacks on other companies later confirmed to be true. While the leaking of source code makes it easier to find vulnerabilities in a company's software, Microsoft has previously stated that leaked source code does not create an elevation of risk. Microsoft says that their threat model assumes that threat actors already understand how their software works, whether through reverse engineering or previous source code leaks. "At Microsoft, we have an inner source approach -- the use of open source software development best practices and an open source-like culture -- to making source code viewable within Microsoft. This means we do not rely on the secrecy of source code for the security of products, and our threat models assume that attackers have knowledge of source code," explained Microsoft in a blog post about the SolarWinds attackers gaining access to their source code. "So viewing source code isn't tied to elevation of risk." However, source code repositories also commonly contain access tokens, credentials, API keys, and even code signing certificates.

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