Key Lesson from Microsoft's Password Spray Hack: Secure Every Account
Mar 25, 2024
Data Breach / Password Security
In January 2024, Microsoft discovered they'd been the victim of a hack orchestrated by Russian-state hackers Midnight Blizzard (sometimes known as Nobelium). The concerning detail about this case is how easy it was to breach the software giant. It wasn't a highly technical hack that exploited a zero-day vulnerability – the hackers used a simple password spray attack to take control of an old, inactive account. This serves as a stark reminder of the importance of password security and why organizations need to protect every user account. Password spraying: A simple yet effective attack The hackers gained entry by using a password spray attack in November 2023 , Password spraying is a relatively simple brute force technique that involves trying the same password against multiple accounts. By bombarding user accounts with known weak and compromised passwords, the attackers were able to gain access to a legacy non-production test account within the Microsoft system which provided th