As enterprise networks grow in both size and complexity, securing them from motivated cyberthreat actors becomes more challenging. The incident response process can be a maze that security professionals must quickly learn to navigate—which is no easy task. Surprisingly, many organizations still lack a coordinated incident response plan,[…]

In the past few years, we have witnessed how digital and cloud transformation has accelerated the growth of data. With more and more customers moving to the cloud, and with the rise of hybrid work, data usage has moved beyond the traditional borders of business. Data is now[…]

Microsoft Threat Intelligence continues to track and disrupt malicious activity attributed to a Russian state-sponsored actor we track as Star Blizzard (formerly SEABORGIUM, also known as COLDRIVER and Callisto Group). Star Blizzard has improved their detection evasion capabilities since 2022 while remaining focused on email credential theft against[…]

First announced in March 2023, Microsoft Security Copilot—Microsoft’s first generative AI security product—has sparked major interest. The widespread enthusiasm was on full display after announcing our Early Access Program in October 2023 and sharing our incredible Security Copilot innovations at Microsoft Ignite in November 2023. With the rapid[…]

Microsoft observed a surge in cyberattacks targeting identities in 2023, with attempted password-based attacks increasing by more than tenfold in the first quarter of 2023 compared to the same period in 2022. Threat actors leverage compromised identities to achieve a significant level of access to target networks. The[…]

Our story begins with a customer whose help desk unwittingly assisted a threat actor posing as a credentialed employee. In this fourth report in our ongoing Cyberattack Series, we look at the steps taken to discover, understand, and respond to a credential phishing and smishing (text-based phishing) cyberattack[…]

Maintaining a secure and optimized digital environment allows new ideas to flourish wherever they occur. In the modern workplace, where devices and locations are no longer fixed, Microsoft Intune eases the task of managing and protecting the endpoints of businesses everywhere. It helps secure systems and simplify management,[…]