Brian McNulty
@brianjmcnulty
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security researcher | cse masters ’26 @umich
Joined May 2024
(👀 also stay tuned for the recording of my @MSFTBlueHat Asia presentation about this!)
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Check out Microsoft's blog post about variant hunting and research I did during my summer internship with MSRC! My research ranged from working on tools for multi-tenant authorization issues to identifying a new trend of issues with remote MCP auth inside Microsoft!
In our latest blog, Cameron Vincent (@SecretlyHidden1), Senior Security Researcher at MSRC, features the work of MSRC intern and security researcher, Brian McNulty (@brianjmcnulty), who uncovered 22+ critical vulnerabilities in just two months. Learn how the MSRC team leverages
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At BlueHat Asia, Cameron Vincent (@SecretlyHidden1), Senior Security Researcher, Microsoft, and Brian McNulty (@brianjmcnulty), MSRC Summer Intern and University of Michigan graduate student, shared their journey hunting security variants across the Microsoft ecosystem.
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The talk will also be recorded and uploaded for everyone to watch on MSRC’s YouTube channel! I’ll be sure to post the link here on Twitter as well afterwards!
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Super excited to be presenting at #BlueHatAsia about authorization variant hunting I did during my Microsoft summer internship! I will be speaking about critical vulnerabilities I found at Microsoft, the tools I made to find them, and remote MCP server security!
We’re excited to announce our next BlueHat Asia speakers: Brian McNulty (@brianjmcnulty) and Cameron Vincent (@SecretlyHidden1)! Cameron is a Senior Security Researcher at Microsoft, specializing in vulnerabilities and mitigation within MSRC. From reproducing bug reports to
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Thank you @metabugbounty and everyone who attended Meta’s Bug Bounty Researcher Conference #MBBRC2025 in Tokyo! It was nice catching up with everyone and meeting new people! I had an amazing time and enjoyed all of the talks and events!
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Got to catch up with these awesome peeps for the second time this year! Thanks @Meta for organising all the fun at #hackersummercamp! Little late to posting but we had to be @brianjmcnulty ‘s first rt 😂 also w/ @Farah_Hawaa @GoldmanIlay @_RobinJustin_ and more, till next year!
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