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Month Archives: March 2019

Vulnerability hunting with Semmle QL, part 2

Tuesday, March 19, 2019

The first part of this series introduced Semmle QL, and how the Microsoft Security Response Center (MSRC) are using it to investigate variants of vulnerabilities reported to us. This post discusses an example of how we’ve been using it proactively, covering a security audit of an Azure firmware component. This was part of a wider defense in depth security review of Azure services, exploring attack vectors from the point of view of a hypothetical adversary who has already penetrated at least one security boundary, and now sits in the operating environment of a service backend (marked with * on the diagram below).

Local privilege escalation via the Windows I/O Manager: a variant finding collaboration

Thursday, March 14, 2019

The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services to help make our customers and the global online community more secure. We appreciate the excellent vulnerability research reported to us regularly from the security community, and we consider it a privilege to work with these researchers.

Call for Papers | Microsoft BlueHat Shanghai 2019

Wednesday, March 13, 2019

The Microsoft Security Response Center (MSRC) recently announced our first BlueHat security conference in Shanghai which will take place on May 29-30, 2019. After 15 years of BlueHat events in Redmond, Washington and Israel, we are thrilled to expand to a new location. We work with many talented security researchers

Practical advice for earning higher Microsoft bounty awards

Tuesday, March 12, 2019

This year at the Nullcon International Security Conference I shared practical advice for how security researchers can maximize the impact of their security vulnerability submissions and earn higher bounty awards under the Microsoft Bounty Program. For those who couldn’t be there, I had two core pieces of advice. First , focus vulnerability research on the products and services that are eligible for bounty rewards.