Dennis T.

Head of IT-Security | PhD in IT Security | IT Security Researcher | Author & Speaker

[Barmenia @Barmenia]

𝗨𝗻𝘀𝗲𝗿𝗲 𝗜𝗧-𝗔𝗿𝗲𝗻𝗮 𝗶𝘀𝘁 𝗲𝗶𝗻𝗲𝗿 𝗱𝗲𝗿 "𝗕𝗲𝘀𝘁 𝗪𝗼𝗿𝗸𝘀𝗽𝗮𝗰𝗲𝘀 𝟮𝟬𝟮𝟯"! #Barmenia #MachenWirGern
Zu diesem Ergebnis kommt die Expert*innen-Jury des Callwey Verlags. Ein inspirierendes Arbeitsumfeld sorgt dafür, dass sich unsere Kolleg*innen wohlfühlen. 💪

[Dennis T. @dennis4its]

Good morning. First day at Barmenia.

[Dennis T. @dennis4its]

@ic0nz1 Congrats 🎊

[BITMARCK @Team_BITMARCK]

Die Mehrwerte der #ePA kurz vorgestellt mit den drei neuen BITMARCK-Erklärfilmen. Jetzt reinschauen: https://t.co/N7AQrbx2oV

[Dennis T. @dennis4its]

@ic0nz1 Congrats 🎉

[BITMARCK @Team_BITMARCK]

Geschafft – am Osterwochenende wurde das #Rechenzentrum der #BITMARCK Software GmbH aus #Essen in die Räumlichkeiten der BITMARCK Beratung GmbH nach #München verlagert. Vielen Dank allen Beteiligten, die den reibungslosen #Umzug von Hardware und IT-Services ermöglicht haben!

[Dennis T. @dennis4its]

@pizzahax @ruhrunibochum @thorstenholz @ProfPohlmann Congratulations 🎉

[mkw.nrw @MKW_NRW]

Ein europaweit herausragender Hotspot für #ITSicherheit hat sich im #Ruhrgebiet etabliert. Hier wird Spitzenforschung betrieben mit Strahlkraft über Deutschland und Europa hinaus.

[Dennis T. @dennis4its]

@OfficialVentor Gute Besserung

[Dennis T. @dennis4its]

Today our paper "The Evolution of DNS-based Email Authentication: Measuring Adoption and Finding Flaws" is presented via a recorded video at #RAID2021 You can find the paper here: https://t.co/qamRq5koWn

[Dennis T. @dennis4its]

@tudor_dumitras Thank you very much!

[Dennis T. @dennis4its]

@RAID_Conference @thorstenholz @ruhrunibochum Thank you for the great surprise. We are very grateful to have received the best paper award of RAID 2021.

[RAID Conference @RAID_Conference]

#RAID2021 best paper award goes to Dennis Tatang, Florian Zettl & @thorstenholz for their paper "The Evolution of DNS-based Email Authentication: Measuring Adoption and Finding Flaws", @ruhrunibochum Congratulations!

[briankrebs @briankrebs]

Just published a short (hopefully broadly accessible) writeup on the ongoing outages at Facebook, Instagram & WhatsApp. Includes perspective, graphic from @dougmadory and Kentik. Will update to add more info soon. https://t.co/5C5fliBVqX

[Dennis T. @dennis4its]

Now I'm going to relax some days before I start again on 01.10., which I'm already looking forward to! #newjob

[Dennis T. @dennis4its]

Yesterday was my last day as CISO of the art and music universities of NRW. After almost two years, it is already time to pack my bags and dedicate myself to new exciting tasks.
THANK YOU for the exciting and interesting time and the many nice conversations!

[RAID Conference @RAID_Conference]

Hey! Check out the accepted papers list for the upcoming #RAID2021. 32 papers will form an amazing program in a more-than-possible face to face symposium at #Donostia

[Dennis T. @dennis4its]

Today I will present “A First Large-scale Analysis on Usage of MTA-STS” (https://t.co/fqsRMteES3), also don’t miss the presentation of our work “Digging Deeper: An Analysis of Domain Impersonation in the Lower DNS Hierarchy” (https://t.co/Cta1SlepRg) #DIMVA21

[Dennis T. @dennis4its]

@mrtn3000 Thanks for presenting 😄