March 8, 2024 at 02:33PM
Russian government-backed hackers breached Microsoft corporate network, stole source code, and are still attempting unauthorized access using exfiltrated email information. No evidence of customer-facing system compromise. Group may be targeting shared secrets. Increased attack volume noted. Hacking group was previously caught spying on executives and involved in SolarWinds supply chain hack. Chinese cyberspies were also recently discovered in Microsoft’s network.
From the meeting notes, the key takeaways are:
1. Microsoft confirmed that the Russian government-backed hacking group compromised its corporate network, stole source code, and continues to probe internal computer systems.
2. The hacking group, known as Midnight Blizzard, utilized information from the company’s corporate email systems to gain unauthorized access to source code repositories and internal systems.
3. Microsoft did not find evidence of compromise in its customer-facing systems but is reaching out to affected customers to assist in mitigating potential risks.
4. The hacking group has intensified its activities, including password sprays, and continues to pose an unprecedented global threat through sophisticated nation-state attacks.
5. This incident occurred shortly after Chinese cyberspies used stolen authentication tokens to access M365 email inboxes, leading to the theft of email data from various government organizations in the United States.
These takeaways outline the concerning security breach Microsoft experienced and the ongoing actions taken in response to these breaches.