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Windows

Speculative Execution Bounty Launch

Wednesday, March 14, 2018

Today, Microsoft is announcing the launch of a limited-time bounty program for speculative execution side channel vulnerabilities. This new class of vulnerabilities was disclosed in January 2018 and represented a major advancement in the research in this field. In recognition of that threat environment change, we are launching a bounty program to encourage research into the new class of vulnerability and the mitigations Microsoft has put in place to help mitigate this class of issues.

Windows Defender Advanced Threat Protection の機械学習: 未知の侵入アクティビティの検出

Monday, December 25, 2017

本記事は、Windows Security のブログ “Windows Defender ATP machine learning: Detecting new and unusual breach activity” (2017 年 8 月 3 日 米

Announcing the Windows Bounty Program

Wednesday, July 26, 2017

Windows 10 represents the best and newest in our strong commitment to security with world-class mitigations. One of Microsoft’s longstanding strategies toward improving software security involves investing in defensive technologies that make it difficult and costly for attackers to find, exploit and leverage vulnerabilities. We built in mitigations and defenses such as DEP, ASLR, CFG, CIG, ACG, Device Guard, and Credential Guard to harden our systems and we continue adding defenses such as Windows Defender Application Guard to significantly increase protection to harden entry points while ensuring the customer experience is seamless.

Update on Petya malware attacks

Wednesday, June 28, 2017

As happened recently with WannaCrypt, we again face a malicious attack in the form of ransomware, Petya. In early reports, there was a lot of conflicting information reported on the attacks, including conflation of unrelated and misleading pieces of data, so Microsoft teams mobilized to investigate and analyze, enabling our Malware Protection team to release signatures to detect and protect against the malware.

Customer Guidance for WannaCrypt attacks

Saturday, May 13, 2017

Microsoft solution available to protect additional products Today many of our customers around the world and the critical systems they depend on were victims of malicious “WannaCrypt” software. Seeing businesses and individuals affected by cyberattacks, such as the ones reported today, was painful. Microsoft worked throughout the day to ensure we understood the attack and were taking all possible actions to protect our customers.

Security Bulletin MS14-068 released

Wednesday, November 19, 2014

Today, we released an out-of-band security update to address a vulnerability in Kerberos which could allow Elevation of Privilege. This update is for all supported versions of Windows Server and includes a defense-in-depth update for all supported versions of Windows. We strongly encourage customers to apply this update as soon as possible by following the directions in Security Bulletin MS14-068.