@JasonGeffner

I’ve moved to Bluesky — https://xitter.cf/t.co/Lpz3RZMp3U

 Seattle, WA
Joined April 2012
  • Tweets2K
  • Following264
  • Followers1.8K
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Learn how Microsoft scales Dynamic Application Security Testing (DAST) with automation. Check out Jason Geffner's blog post and BlueHat talk: ➡️MSRC blog: msrc.microsoft.com/blog/2025… ➡️BlueHat talk: youtube.com/watch?v=kfuOzDwv…

Blog MSRC | Microsoft Security Response Center

Microsoft Security Response Center Blog

microsoft.com
Microsoft Security Response Center
@msftsecresponse21 Jan 2025
To ensure the security of Microsoft's web services and protect our customers, we're using innovative solutions to automate Dynamic Application Security Testing (DAST) at scale. This effort targets thousands of internal and external API web services across Microsoft’s portfolio of 1st party services, which are applications or services that are created, owned, and managed by Microsoft itself. Learn more in our blog post from Jason Geffner, Principal Security Architect at Microsoft: msrc.microsoft.com/blog/2025…
Azure Confidential Container (with DAST Tools)

ALT Azure Confidential Container (with DAST Tools)

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To ensure the security of Microsoft's web services and protect our customers, we're using innovative solutions to automate Dynamic Application Security Testing (DAST) at scale. This effort targets thousands of internal and external API web services across Microsoft’s portfolio of 1st party services, which are applications or services that are created, owned, and managed by Microsoft itself. Learn more in our blog post from Jason Geffner, Principal Security Architect at Microsoft: msrc.microsoft.com/blog/2025…
Azure Confidential Container (with DAST Tools)

ALT Azure Confidential Container (with DAST Tools)

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Take a rare look inside how Microsoft is working to use automated reverse engineering techniques to secure its own web services! youtube.com/watch?v=kfuOzDwv… #BlueHat
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📣SPEAKER ANNOUNCEMENT📣 Jason Geffner (@JasonGeffner), Principal Security Architect, Microsoft, will be presenting a talk titled “How Microsoft is Scaling DAST” at #BlueHat. Jason is an information security professional with an extensive history in application security, risk management, malware analysis, threat intelligence, incident response command, endpoint security, security automation, vendor security management, and security research & development.
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I'm excited to announce that I'll be speaking at Microsoft BlueHat (@MSFTBlueHat) on October 29th! Full schedule here: cdn-dynmedia-1.microsoft.com…
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We’re sharing our discovery & analysis of four vulnerabilities in Perforce Server, including a critical vulnerability that could give unauthenticated remote attackers complete control over unpatched systems & connected infra. Patches available: msft.it/6013indnt

Patching Perforce perforations: Critical RCE vulnerability discovered in Perforce Helix Core Server...

Four unauthenticated remotely exploitable vulnerabilities in source code management platform Perforce Helix Core Server have been remediated.

microsoft.com
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I recently discovered a new CVSS 10.0 vulnerability in Perforce Helix Core Server that allows for unauthenticated remote code execution (RCE) as LocalSystem. Read all about it and three new CVSS 7.5 vulnerabilities in my blog post below. microsoft.com/en-us/security…

Patching Perforce perforations: Critical RCE vulnerability discovered in Perforce Helix Core Server...

Four unauthenticated remotely exploitable vulnerabilities in source code management platform Perforce Helix Core Server have been remediated.

microsoft.com
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It took me almost 4 hours, but I finally solved this sudoku. Hardest one yet!
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So frustrated with acronyms. I asked everyone at work what IDK stands for, and they each said “I don’t know” ☹️ I guess it’ll continue to be a mystery.
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DEADLINE EXTENDED!!!! ⏰⚠️🙌⏳🚨➡️ The application to attend #BlueHat October 2023 has been extended to Friday, September 8 at midnight Pacific Time. We hope you can join us from October 11-12, 2023 in Redmond, WA, US. Submit your application today: msft.it/60179ZRCF
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My dentist told me to brush my teeth knightly, but maybe I misunderstood him.
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He also said I should floss weakly 🤷‍♂️
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Saturday morning means making pink princess pancakes for my little princess 🩷
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One of the great things about working for @Microsoft is the flexibility provided to move from an IC role to a management role, and to move from a management role to an IC role. After making the former move 18 months ago, I am thrilled to make the latter move this month!
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I am excited to return to my technical roots and to be hands-on with driving the future of security at Microsoft as a Principal Security Architect!
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Do you hate dad-jokes and occasional infosec ramblings? Then you definitely shouldn’t follow me on Threads. threads.net/@g3ffn3r

Jason Geffner (@g3ffn3r) • Threads, Say more

268 Followers • 227 Threads • I’ve moved to Bluesky — https://bsky.app/profile/geffner.bsky.social. See the latest conversations with @g3ffn3r.

threads.com
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My organization is hiring interns! See careers.microsoft.com/us/en/… to apply!
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In hindsight, all those times in elementary school I would ask my teacher how to spell a word and they would say, "lOoK iT uP iN a dIcTiOnArY," I bet it was because _they_ didn't know how it was spelled.
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"Comedian Gallagher, best known for his watermelon-smashing comedy routine and many popular specials in the 1980s, died Friday morning, according his manager Craig Marquardo. He was 76." But how old was Gallagher? cnn.com/2022/11/11/entertain…

Gallagher, watermelon-smashing comedian, dead at 76 | CNN

Comedian Gallagher, best known for his watermelon-smashing comedy routine and many popular specials in the 1980s, died Friday morning, according his manager Craig Marquardo. He was 76.

cnn.com
Every conversation on Love Is Blind: “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%” “💯%”
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