johullrich's profile picture.

Johannes Ullrich

@johullrich

Johannes Ullrich reposted

The results are in! SANS.edu Sentinels brought home major wins in the @NatlCyberLeague Fall 2025 CTF: sans.org/press/announce… 🏆 #1 Player 🏆 #1 Power Ranking 🏆 15 Teams in Top 100 Congratulations to all our Sentinels on this incredible achievement!

SANS_EDU's tweet image. The results are in! SANS.edu Sentinels brought home major wins in the @NatlCyberLeague Fall 2025 CTF: sans.org/press/announce…

🏆 #1 Player
🏆 #1 Power Ranking
🏆 15 Teams in Top 100

Congratulations to all our Sentinels on this incredible achievement!

Johannes Ullrich reposted

Over the last 12 months, watchTowr Labs uncovered thousands of leaked credentials: cloud keys, AD creds, API tokens, even KYC data - already being abused. Join us on our journey into “innocent” developer tools. labs.watchtowr.com/stop-putting-y…


Quick X hive mind question/poll: What is the current hosting platform people are using? I am currently using LibSyn, but I am getting sick of the limited upload options. I am currently revising my podcast publishing script to address some outstanding stability issues, so it is a…


Johannes Ullrich reposted

You're invited to a special milestone event celebrating 20 Years of #SANS_EDU! 🎉 Join us on December 19 for our Founder’s Day Town Hall as we honor our community’s incredible achievements. RSVP → bit.ly/sans-town-hall

SANS_EDU's tweet image. You're invited to a special milestone event celebrating 20 Years of #SANS_EDU! 🎉

Join us on December 19 for our Founder’s Day Town Hall as we honor our community’s incredible achievements. 

RSVP → bit.ly/sans-town-hall

Johannes Ullrich reposted

The challenge is live—are you ready to uncover the truth? 🔍 Play now: my.sociabble.com/YZCVkepN2jSo #HolidayHackChallenge #Cybersecurity #LearnByDoingDoing

sans_isc's tweet image. The challenge is live—are you ready to uncover the truth? 🔍

Play now: my.sociabble.com/YZCVkepN2jSo

#HolidayHackChallenge #Cybersecurity #LearnByDoingDoing

Johannes Ullrich reposted

❄️ It’s the most wonderful time of the year — #HolidayHack Challenge 2025 is LIVE. Join Santa @KringleCon and thousands of players worldwide in the year’s most festive CTF adventure. It's free, fun, and pure cyber joy!


Johannes Ullrich reposted

SANS Stormcast Wednesday, November 5th, 2025: Apple Patches; Exploits against Trucking and Logistic; Google Android Patches isc.sans.edu/podcastdetail/…

sans_isc's tweet image. SANS Stormcast Wednesday, November 5th, 2025: Apple Patches; Exploits against Trucking and Logistic; Google Android Patches
 isc.sans.edu/podcastdetail/…

Johannes Ullrich reposted

SANS Stormcast Friday, October 31st, 2025: Bug Bounty Headers; Exchange hardening; MOVEIt vulnerability isc.sans.edu/podcastdetail/…

sans_isc's tweet image. SANS Stormcast Friday, October 31st, 2025: Bug Bounty Headers; Exchange hardening; MOVEIt vulnerability
 isc.sans.edu/podcastdetail/…

another fake @Tesla website: tesla-offer[.]com .


I had a great time on Saturday at @BSidesAugusta. Well-run event! Great to run into many familiar faces and even more new ones. Even better to see a lot of people new to the industry attending their first @Bsides.


Johannes Ullrich reposted

Fantastic to be back at @BSidesAugusta and learn about Developers from the very entertaining @johullrich

russelleubanks's tweet image. Fantastic to be back at @BSidesAugusta and learn about Developers from the very entertaining @johullrich
russelleubanks's tweet image. Fantastic to be back at @BSidesAugusta and learn about Developers from the very entertaining @johullrich
russelleubanks's tweet image. Fantastic to be back at @BSidesAugusta and learn about Developers from the very entertaining @johullrich

Johannes Ullrich reposted

Infostealer Targeting Android Devices isc.sans.edu/diary/32414

sans_isc's tweet image. Infostealer Targeting Android Devices isc.sans.edu/diary/32414

Johannes Ullrich reposted

🚨 Even trusted tools can be a threat. Malicious extensions are spreading through VS Code & OpenVSX. SANS’s Dr. @johullrich warns there’s “no good way to verify an app hasn’t been compromised.” Keep extensions minimal & stay vigilant. Read the full story here 👉…


My cat just wiped my to-do list for today. So I guess I will attend to her for the rest of the day.

johullrich's tweet image. My cat just wiped my to-do list for today. So I guess I will attend to her for the rest of the day.

Johannes Ullrich reposted

Microsoft Patch Tuesday October 2025 isc.sans.edu/diary/32368

sans_isc's tweet image. Microsoft Patch Tuesday October 2025 isc.sans.edu/diary/32368

Johannes Ullrich reposted

SANS Stormcast Tuesday, October 14th, 2025: ESAFENET Scans; Payroll Priates; MSFT Edge IE Mode isc.sans.edu/podcastdetail/…

sans_isc's tweet image. SANS Stormcast Tuesday, October 14th, 2025: ESAFENET Scans; Payroll Priates; MSFT Edge IE Mode
 isc.sans.edu/podcastdetail/…

Johannes Ullrich reposted

Congrats to alum Oren Niskin '25! His master's research paper “Webs of Deception: Using the @SANSICS Kill Chain to Flip the Advantage to the Defender” is the featured article in @ISSAINTL Journal. Read it here ⬇️


Johannes Ullrich reposted

SANS Stormcast Wednesday, October 8th, 2025: FreePBX Exploits; Disrupting Teams Threats; Kibana and QT SVG Patches isc.sans.edu/podcastdetail/…

sans_isc's tweet image. SANS Stormcast Wednesday, October 8th, 2025: FreePBX Exploits; Disrupting Teams Threats; Kibana and QT SVG Patches
 isc.sans.edu/podcastdetail/…

Johannes Ullrich reposted

Quick and Dirty Analysis of Possible Oracle E-Business Suite Exploit Script (CVE-2025-61882) isc.sans.edu/diary/32346

sans_isc's tweet image. Quick and Dirty Analysis of Possible Oracle E-Business Suite Exploit Script (CVE-2025-61882) isc.sans.edu/diary/32346

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