Johanna Ullrich

security researcher by passion; emphasis on IPv6, cloud computing, IoT, CPS; beyond? dogs, handicrafting, snowboarding, local food production

[SBA Research - Science for better security @SBA_Research]

Want to know how to stop #Zenbleed on Windows? Have a look at how to apply the Zenbleed MSR workaround on Windows. Or how a one-liner on Linux becomes an entire PowerShell script on Windows … https://t.co/SGNUt1WOT4

[Johanna Ullrich @joyoaction]

Fun fact: During the interview, I was in IT. First feedback was from a colleague in NL.

[Johanna Ullrich @joyoaction]

Me on national radio. Discussing with Christof Tschohl on state observation. https://t.co/U1tD8XFY6l

[Johanna Ullrich @joyoaction]

@florianaigner Mag komisch klingen, aber mich beruhigt der Tweet ja direkt. Ich dachte, die wollen nur mir (Elektrotechnikerin) erzählen, warum das mit den Elektroautos und den Wärmepumpen technisch einfach nicht funktionieren kann.

[Matteo Maffei @matteo_maffei]

Yesterday we kicked off SPyCoDe, our @FWF_at Special Research Program on "Semantic and Cryptographic Foundations of Security and Privacy by Compositional Design". Great to meet all together, plan collaborations, and exchange ideas with our advisory board! https://t.co/GouIn1LzaG

[Johanna Ullrich @joyoaction]

Research in Internet Measurement? Submit to TMA 2023 in Napoli! https://t.co/StICQ8uqzE
We particularly encourage negative results revealed by novel measurement methods/vantage points. Looking forward to see you(r paper)!

[Florian Holzbauer @holzsec]

Test your email provider on https://t.co/fhk9kvEedc! We are still looking for the first one to score 10/10 - While waiting for your result, have a look at the blogpost!
My setup at @ProtonMail -> Strict TLS support ✅ (! DANE < MTA-STS); IPv6 for DNS 🏗️ / 📧-delivery soon?

[Johanna Ullrich @joyoaction]

@ReinerReitsamer @herbertsaurugg @Marc_Elsberg ... and here you can see it in ORF's tvthek (next 7 days only): https://t.co/b4BOlFn4LT

[Johanna Ullrich @joyoaction]

Mo 22:35 in ORF III - Discussing about blackouts on TV with @ReinerReitsamer @herbertsaurugg @Marc_Elsberg

ORF 1, ORF 2, ORF III done, now I am waiting for the relaunch of Club 2 ;-)

[Johanna Ullrich @joyoaction]

I am looking for a motivated PhD student on IPv4/IPv6 and blockchains (within the https://t.co/epV6cijDb6 project). If you have finished your studies in computer science, electrical engineering, etc. (or finish soon), contact me asap via DM or email.

[Doctoral School Computer Science @DoCS_univie]

Take a 👁️ at a paper presented by our #DoCSunivie student Gabriel Karl Gegenhuber (@GGegenhuber) at the #GC2022 (@ComSoc) conference in Rio de Janeiro, and made with Wilfried Mayer (@SBA_Research) & Prof. Edgar Weippl (@weippl)

👉https://t.co/xEsQiE6YHH 👏 @csunivie

[Johanna Ullrich @joyoaction]

Interested in Networks and Blockchains? I am looking for a PhD candidate starting Jan. 1st. Further information: https://t.co/E4ARe26yNz or contact me directly!

[Florian Holzbauer @holzsec]

Tired of scrolling through endless text? Search Internet standards and explore how they are linked to each other in an interactive network graph on https://t.co/PF17TVmZyI
Happy #WorldStandardsDay 🎆

[SBA Research - Science for better security @SBA_Research]

🗓 Free Workshop: Blackout – Wenn nicht nur das Licht ausgeht / 13. Juli , 17:00 – 18:30 / Expat Center - Wirtschaftsagentur Wien / mit Johanna Ullrich @joyoaction und Herbert Saurugg / Anmeldung und Details: https://t.co/QXNgrhudyK

[Johanna Ullrich @joyoaction]

Thanks to be part of this! @lindorferin @holzsec @chelloway

[Florian Holzbauer @holzsec]

Happy to announce that my first paper: 'Not that Simple: Email Delivery in the 21st Century' has been accepted at USENIX ATC'22.

Check out the "SMTP Camel" and our measurements at https://t.co/9LiMOSTLeU (preprint)

Special thanks to @joyoaction, @lindorferin and @chelloway!

[Florian Holzbauer @holzsec]

Happy to announce that my first paper: 'Not that Simple: Email Delivery in the 21st Century' has been accepted at USENIX ATC'22.

Check out the "SMTP Camel" and our measurements at https://t.co/9LiMOSTLeU (preprint)

Special thanks to @joyoaction, @lindorferin and @chelloway!

[Johanna Ullrich @joyoaction]

@georg_renner @KernChri @UweSommersguter @KernChr kritisiert nicht das "Merit Order"-Prinzip, sondern das "Marginal Pricing". Das Gegenteil wäre übrigens "Pay-as-bid".

[Johanna Ullrich @joyoaction]

Happy to support the initiative, at the same time hoping for diminishing demand 🇺🇦

[FrauenNetzwerkMedien @Frauen_Netzwerk]

Das FNM hat heute eine Liste mit mehr als 20 Expertinnen zum Krieg in der Ukraine veröffentlich, damit auch weibliche Sichtweisen und Perspektiven in Berichterstattung und Analysen einfließen. Korrspondent:innen bleiben unsere Augen und Ohren vor Ort. https://t.co/w8RNpSadU3

[Fakultät Informatik @csunivie]

Neuer FWF Spezialforschungsbereich "SPyCoDe" gestartet! Johanna Ullrich (@joyoaction), Mitglied unserer Forschungsgruppe "Security & Privacy" forscht dort zum Thema "Secure #blockchains in Network Transition Periods" 🕵️🕸️ ↪️https://t.co/kJVeavtF2G

[Johanna Ullrich @joyoaction]

Wow, dok1 on blackouts ranked No. 8 in the 2021 ORF video-on-demand ranking; for comparison, Dancing Stars finals ranked No. 10!
https://t.co/Wgz2LgIS1E