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Johannes Ullrich

@johullrich

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Johannes Ullrich reposted
SANS_EDU's profile picture.
@SANS_EDU
 @SANS_EDU
Nov 26

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!
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Johannes Ullrich reposted
watchtowrcyber's profile picture.
watchTowr
@watchtowrcyber
Nov 25

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…

watchtowrcyber's tweet card. Welcome to watchTowr vs the Internet, part 68. That feeling you’re experiencing? Dread. You should be used to it by now. As is fast becoming an unofficial and, apparently, frowned upon tradition - we...
Stop Putting Your Passwords Into Random Websites (Yes, Seriously, You Are The Problem)
Source: labs.watchtowr.com
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johullrich's profile picture.
Johannes Ullrich
@johullrich
Nov 21

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…

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Johannes Ullrich reposted
SANS_EDU's profile picture.
@SANS_EDU
 @SANS_EDU
Nov 19

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
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Johannes Ullrich reposted
sans_isc's profile picture.
SANS.edu Internet Storm Center
@sans_isc
Nov 7

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
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Johannes Ullrich reposted
SANS_EDU's profile picture.
@SANS_EDU
 @SANS_EDU
Nov 5

❄️ 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!

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Johannes Ullrich reposted
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SANS.edu Internet Storm Center
@sans_isc
Nov 5

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/…
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Johannes Ullrich reposted
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SANS.edu Internet Storm Center
@sans_isc
Oct 31

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/…
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johullrich's profile picture.
Johannes Ullrich
@johullrich
Oct 28

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

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Johannes Ullrich
@johullrich
Oct 27

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.

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Russell Eubanks
 @russelleubanks
Oct 25

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
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Johannes Ullrich reposted
sans_isc's profile picture.
SANS.edu Internet Storm Center
@sans_isc
Oct 23

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

sans_isc's tweet image. Infostealer Targeting Android Devices isc.sans.edu/diary/32414
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Johannes Ullrich reposted
SANSInstitute's profile picture.
SANS Institute
@SANSInstitute
Oct 21

🚨 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 👉…

SANSInstitute's tweet card. Report from Wiz also says developers are uploading extensions that include access tokens and other secrets.
Threat actors are spreading malicious extensions via VS marketplaces
Source: csoonline.com
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johullrich's profile picture.
Johannes Ullrich
@johullrich
Oct 21

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.
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Johannes Ullrich reposted
sans_isc's profile picture.
SANS.edu Internet Storm Center
@sans_isc
Oct 14

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
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Johannes Ullrich reposted
sans_isc's profile picture.
SANS.edu Internet Storm Center
@sans_isc
Oct 13

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/…
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Johannes Ullrich reposted
SANS_EDU's profile picture.
@SANS_EDU
 @SANS_EDU
Oct 13

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 ⬇️

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Johannes Ullrich reposted
sans_isc's profile picture.
SANS.edu Internet Storm Center
@sans_isc
Oct 8

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/…
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Johannes Ullrich reposted
sans_isc's profile picture.
SANS.edu Internet Storm Center
@sans_isc
Oct 6

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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MalwareJake's profile picture. Breaker of software | VP R&D @hunterstrategy | CTI/DFIR | @ians_security faculty | Bookings: jake at malwarejake dot com | GSE #150 | He/him

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Simone Margaritelli

@evilsocket
lilyhnewman's profile picture. Security reporter @WIRED. she/her/my man. Well of course, everything looks bad if you remember it. Signal +1 (347) 722-1347 @lhn@mastodon.online

Lily Hay Newman

@lilyhnewman
NikitaTarakanov's profile picture. 0day analysis. Previous account @NTarakanov

Nikita Tarakanov

@NikitaTarakanov
ELINTNews's profile picture. Independent coverage & analysis of current geopolitical & geostrategic developments. Proxies & munitions. My opinions. RT/like/follow/media use≠endorsement.

ELINT News

@ELINTNews
MohamedNab1l's profile picture. IT Consultant, Pen Tester and a Crypto Enthusiast.

MasterMind 🇨🇦 🇪🇬

@MohamedNab1l
KilledInUkraine's profile picture. Tracking confirmed Russian officers killed in Ukraine via funeral notices, obituaries, Russian news, monuments and memorial plaques.

KIU ✪ Russian Officers killed in Ukraine 🇨🇿🇺🇦

@KilledInUkraine
wartranslated's profile picture. 🇪🇪 Estonian-born blogger | https://t.co/olceNoeCxI | https://t.co/JckIQOdLob

WarTranslated

@wartranslated
packetpioneer's profile picture. Network Analyst, Infosec Enthusiast, YouTuber, Wireshark University Instructor, DEFCON Speaker, Packet Head. I use Wireshark to solve weird stuff.

Chris Greer

@packetpioneer
viewdns's profile picture. The leading source for domain and IP intelligence!

ViewDNS.info

@viewdns
techtacticsedu's profile picture. From the producers of Campus Technology and THE Journal, Tech Tactics in Education is a conference devoted to key technology issues in K–12 and higher ed.

Tech Tactics in Education

@techtacticsedu
Global_Mil_Info's profile picture. Diligently curating and verifying information from diverse sources to ensure accuracy and objectivity.

GMI

@Global_Mil_Info
LinusTech's profile picture. The official Twitter of the Linus Tech Tips YouTube channel. https://t.co/HS5VbvfvTW // https://t.co/XF9yGyRnUA // https://t.co/WknsV27wdD

Linus Tech Tips

@LinusTech
smallsteplabs's profile picture. Device Identity Platform™ for companies with sensitive resources like PII, code repos, SaaS apps, and more

Smallstep

@smallsteplabs
asoni's profile picture. https://t.co/pXcki8DdvF — Malware Reverse Engineer. Instructor & Author @SANSInstitute (FOR710, FOR610). Occasional YouTuber.

Anuj Soni

@asoni
citizenlab's profile picture. The Citizen Lab is an academic research group at @UofT focusing on the intersection of technologies, human rights and global security.

The Citizen Lab

@citizenlab
Official_NAFO's profile picture. #NAFO Fellas • Support Ukraine’s defenders • Send your fella request to @FellaRequests • We do NOT accept donations •

North Atlantic Fella Organization

@Official_NAFO
Tatarigami_UA's profile picture. Former UA officer Founder of the Frontelligence Insight To support my work: https://t.co/A9oLjGWIYc Have insights on Russia? Write to frontel@proton.me

Tatarigami_UA

@Tatarigami_UA
OrOneEqualsOne's profile picture. Mechanical Engineer turned Developer turned Pentester turned Red Teamer turned Blue-ish Purple. Instructor for Antisyphon Training. GIAC GSE Certification.

Carrie Roberts

@OrOneEqualsOne
IntelCrab's profile picture. The internet's most trusted crustacean. Conflict analysis, data visualization, and small amounts of melted butter.

The Intel Crab

@IntelCrab
Cynet360's profile picture. Cynet’s All-in-One Cybersecurity Platform unifies a full suite of security capabilities on a single, simple solution, backed by 24/7 expert support.

Cynet

@Cynet360
WSJCyber's profile picture. The official Twitter account for WSJ Pro's team of editors and reporters covering all things cybersecurity.

WSJ Pro Cybersecurity

@WSJCyber
J__Nagelsmann's profile picture. Head Coach @DFB_Team

Julian Nagelsmann

@J__Nagelsmann
pfsense's profile picture. The pfSense® project is a powerful open source #firewall #VPN and routing platform based on @FreeBSD, sponsored by @NetgateUSA.

pfSense® Project

@pfsense
Marine_Ukraine's profile picture. 🇺🇸 Ex-Marine officer, mgt. consultant & investor. Left the American Dream to fight in Ukraine 🇺🇦. Wrote a book about it. Pre-order now ↓

Issac | ісcак

@Marine_Ukraine
brianwhelton's profile picture. Network/Security chap, guitarist, cert junkie, F1 fan, festival, gig & conference attendee. I stroke cats & drink tea! All views are possibly mine...

𝔅͛𝔯͛𝔦͛𝔞͛𝔫͛ ͛𝔚͛𝔥͛𝔢͛𝔩͛𝔱͛𝔬͛𝔫͛

@brianwhelton
1time4dahaters's profile picture. No Label Jan . 22nd 🇲🇽🦅

Butta Double

@1time4dahaters
ant0inet's profile picture.

so long and thanks for the phish

@ant0inet
MacRumors's profile picture. Apple, iPhone, iPad and Mac rumors, news, tips and videos. Tap Follow! Message us with questions / comments.

MacRumors.com

@MacRumors
TheASF's profile picture. The global home for open source software, powering some of the world’s most ubiquitous software projects in web, big data, Java, IoT, cloud computing, and more.

Apache - The ASF

@TheASF
opnsense's profile picture. OPNsense is an open source, easy-to-use and easy-to-build FreeBSD-based firewall and routing platform.

OPNsense

@opnsense
suelinwong's profile picture. Host of "Scam Inc", an 8-part podcast series & Asia correspondent @TheEconomist | Previously in China & host of "The Prince" podcast

Sue-Lin Wong 黄淑琳

@suelinwong
DlyaHeroiv's profile picture. 🇺🇦🌍We are a Ukr NGO started by a US veteran, Ukr musician and a proj.manager. 🚑 We deliver aid to front/near-front zones 🎸 We perform charity concert tours

Dlya Heroiv

@DlyaHeroiv
shores_june's profile picture. Space | Satellites | Cyber | Network Defense

June Shores

@shores_june
NASA_SLS's profile picture. This account is now archived. NASA's SLS is the world’s most capable heavy-lift rocket that will take humans and payloads to deep space.

ARCHIVED: NASA_SLS

@NASA_SLS
IqFiber's profile picture. Fast. Stress-free. Reliable. Attentive. IQ Fiber delivers the best 100% fiber-optic internet.

IQ Fiber

@IqFiber
stealthcrane's profile picture.

Jesse La Grew

@stealthcrane
ChrisO_wiki's profile picture. Independent military history author and researcher. Coffee tips are appreciated! https://t.co/t1EjNrIZ2c Now also at https://t.co/4qGQ2ffHJJ

ChrisO_wiki

@ChrisO_wiki

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