Skip to main content
MSRC

msrc

March 2017 security update release

Tuesday, March 14, 2017

Today we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates. More information about this month’s security updates can be found on the Security Update Guide. Security bulletins were also published this month to give customers extra time to ensure they are ready to transition their processes.

Office 365 security researchers: Double your bounties March-May 2017

Wednesday, March 01, 2017

Microsoft strives to protect our customers and we’re constantly improving our security posture to meet their needs. We realize the desire of researchers and customers to security test our services to ensure they can trust us and our solutions. We also believe that if a researcher informs us of a security flaw in our Office 365 services, they should be awarded for protecting us.

SHA-1 Collisions Research

Thursday, February 23, 2017

Today, a group of eight researchers from across the security industry released a research report on SHA-1 that demonstrates for the first time, a “hash collision” for the full SHA-1 hash algorithm (called “SHAttered”). This is a significant step toward understanding this type of security issue, a milestone in cryptanalysis that has been underway for the past decade.

February 2017 security update release

Tuesday, February 14, 2017

UPDATE: 2/15/17: We will deliver updates as part of the planned March Update Tuesday, March 14, 2017. Our top priority is to provide the best possible experience for customers in maintaining and protecting their systems. This month, we discovered a last minute issue that could impact some customers and was not resolved in time for our planned updates today.

Furthering our commitment to security updates

Tuesday, November 08, 2016

Microsoft is committed to delivering comprehensive security updates to our customers. Information about the security updates we release are currently made available on the Microsoft Security Bulletin website. However, our customers have asked for better access to update information, as well as easier ways to customize their view to serve a diverse set of needs.