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Microsoft Senior Executives Hit by Russian Cyber Espionage

In a concerning revelation, Microsoft disclosed that its systems have been under a sustained cyber assault by a group backed by the Russian state, a situation that has escalated since late November 2023. The technology giant uncovered the unauthorized activities, which intensified significantly in February following a surge in cybersecurity threats detected in January. This sophisticated cyber operation targeted top-tier executives within Microsoft, spanning various departments including cybersecurity, legal, and more, as highlighted in a recent Securities and Exchange Commission (SEC) filing by the company.

The attackers, identified by Microsoft Threat Intelligence as Midnight Blizzard, successfully penetrated a limited number of corporate email accounts through a technique known as “password spray attack.” This method involves applying the same password across numerous accounts before switching to a new password and repeating the process, allowing the hackers to slip through the digital defenses undetected initially.

Further alarming developments indicate that Midnight Blizzard has leveraged the data harvested from these breaches to infiltrate, or attempt to infiltrate, deeper into Microsoft’s digital infrastructure. According to Microsoft’s latest blog post, this includes unauthorized access attempts on the company’s source code repositories and various internal systems. The exposure of source code is particularly troubling, given its critical role in the foundation of software programs and its potential value to corporate espionage efforts.

Sean Lyngaas, a cybersecurity correspondent for CNN, underscored the significance of source code, noting it as a prime target for both corporate entities and espionage actors due to its integral function in software operation. The breach poses a risk of further attacks leveraging the stolen code.

Despite the severity of the incursion, Microsoft has assured that there is no evidence suggesting the hackers gained access to customer environments or artificial intelligence platforms. The company is actively implementing countermeasures to protect against this “advanced persistent threat,” emphasizing that the operational impact appears to be non-material at this stage.

Microsoft’s probe into the breach is ongoing, with the corporation pledging to share more information as it becomes available. They are also coordinating efforts with law enforcement and regulatory bodies to address the situation.

Requests for additional comments from Microsoft by Business Insider were made, highlighting the broad concern and interest in the unfolding cybersecurity challenge facing one of the world’s leading tech companies.

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