MSRC | Microsoft Security Response Center

Coming together to address Encapsulated PostScript (EPS) attacks

Tuesday, May 09, 2017

Today’s security updates include three updates that exemplify how the security ecosystem can come together to help protect consumers and enterprises. We would like to thank FireEye and ESET for working with us. Customers that have the latest security updates installed are protected against the attacks described below. As a best practice to ensure customers have the latest protections, we recommend they upgrade to the most current versions.

May 2017 security update release

Tuesday, May 09, 2017

Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. More information about this month’s security updates can be found on the Security Update Guide.

Taking your feedback on the Security Update Guide

Friday, April 21, 2017

The Security Update Guide has been in public preview since November 2016. This month marked our first release when security update information was published entirely in the new format. Over the last few months, customers and partners have provided a lot of feedback on the direction and implementation of the Security Update Guide.

Security Update Guide

Bountycraft at Nullcon 2017

Thursday, April 20, 2017

Security is a critical component of our products at Microsoft. A strong emphasis on security is a persistent factor throughout our entire development process. Microsoft is committed to designing and developing secure software. Testing is performed both internally and by working closely with the broader security community. This is done through a wide range of partnerships and programs including bug bounties to ensure that customers receive the most secure products.

Bounty Program

Protecting customers and evaluating risk

Saturday, April 15, 2017

Today, Microsoft triaged a large release of exploits made publicly available by Shadow Brokers. Understandingly, customers have expressed concerns around the risk this disclosure potentially creates. Our engineers have investigated the disclosed exploits, and most of the exploits are already patched. Below is our update on the investigation. When a potential vulnerability is reported to Microsoft, either from an internal or external source, the Microsoft Security Response Center (MSRC) kicks off an immediate and thorough investigation.

Shadow Brokers

April 2017 security update release

Tuesday, April 11, 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. MSRC team

Security Advisory Security Update Update Tuesday

Announcing the new Bug Bounty Program for Office Insider Builds on Windows

Wednesday, March 15, 2017

We’ve engineered Office to be secure by design and continually invest in enhancing its security capabilities. In the spirit of maintaining a high security bar in Office, we’re launching the Bug Bounty Program for Office Insider Builds on Windows. The Office Bug Bounty Program complements our continuous internal engineering investments that include designing secure features through threat modeling, security in code reviews, security automation, and internal penetration testing.

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.