Successful operations against Russian Sandworm and Strontium groups targeting Ukraine revealed

The US Department of Justice DoJ and Microsoft have taken the sting out of two operations believed to be controlled by the Russian Federation’s Main Intelligence Directorate GRU. On Wednesday, the DOJ announced that it had disrupted GRU’s control over thousands of internet-connected firewall...

Microsoft Obtains Court Order to Take Down Domains Used to Target Ukraine

Microsoft on Thursday disclosed that it obtained a court order to take control of seven domains used by APT28, a state-sponsored group operated by Russia's military intelligence service, with the goal of neutralizing its attacks on Ukraine. "We have since re-directed these domains to a sinkhole...

STRONTIUM: Detecting new patterns in credential harvesting

Microsoft has tied STRONTIUM to a newly uncovered pattern of Office365 credential harvesting activity aimed at US and UK organizations directly involved in political elections. Analysts from Microsoft Threat Intelligence Center MSTIC and Microsoft Identity Security have been tracking this new...

Fancy Bear Targets Sporting, Anti-Doping Orgs As 2020 Olympics Loom

At least 16 anti-doping authorities and sporting organizations around the world have been hit by cyberattacks as the world begins to gear up for the Tokyo Summer Olympic Games, which kick off July 2020. The attacks, which began Sept. 16, have been linked to infamous Russian threat group Fancy Bea...

Microsoft and partners design new device security requirements to protect against targeted firmware attacks

Recent developments in security research and real-world attacks demonstrate that as more protections are proactively built into the OS and in connected services, attackers are looking for other avenues of exploitation with firmware emerging as a top target. In the last three years alone, NIST’s...

Microsoft Patches Windows Zero-Day Flaw Disclosed by Google

Microsoft was very upset with Google last week when its Threat Analysis Group publically disclosed a critical Windows kernel vulnerability CVE-2016-7255 that had yet to be patched. The company criticized Google's move, claiming that the disclosure of the vulnerability, which was being exploited i...

Microsoft Says Russian Hackers Using Unpatched Windows Bug Disclosed by Google

Google's Threat Analysis Group publically disclosed on Monday a critical zero-day vulnerability in most versions of Windows just 10 days after privately disclosed both zero days to Microsoft and Adobe. While Adobe rushed an emergency patch for its Flash Player software on October 26, Microsoft ha...

Our commitment to our customers’ security

This guest blog post is by Terry Myerson / Executive Vice President, Windows and Devices Group Windows is the only platform with a customer commitment to investigate reported security issues and proactively update impacted devices as soon as possible. And we take this responsibility very seriousl...