Ever wondered what happens when you type in a URL in an address bar in a browser? Here is a brief overview... #programming #web #sketchnotes

Hands-on: implementing #SPF, #DKIM and #DMARC in Postfix sidn.nl/en/news-and-bl…

Plenty of Phish in the Sea: Analyzing Potential Pre-Attack Surfaces, by Thorsten Holz et al. syssec.ruhr-uni-bochum.de/media/emma/ver… [PDF]

How consistent are HTTP security mechanisms implemented, which challenges arise from the inconsistent deployment, and how can they be identified? Check out our #NDSS21 paper (dais.unive.it/~calzavara/pap…)! Great collaboration with Marius Steffens Stefano Calzavara Ben Stock Dennis T.

Forget all the rules about uppercase and lowercase letters, numbers and symbols; your #password just needs to be at least 12 characters, and it needs to pass a strength test developed by Carnegie Mellon University CyLab researchers. Carnegie Mellon ECE @isrcmu CMU Engineering & Public Policy cylab.cmu.edu/news/2020/10/2…

📢 The #DIMVA21 Call for Papers is now up! dimva2021.campus.ciencias.ulisboa.pt Looking forward to seeing all the great new research in malware, intrusion detection, and intrusion detection this year Consider submitting your work and help us get the word out #DIMVA21 #CallforPapers #CFP

Successfully defended my PhD-Thesis (“Large-scale Measurements for Enhancing Network Security”) today. Thank you everyone I met on this exciting 5-year journey 🎉😊

Today I will present “A First Large-scale Analysis on Usage of MTA-STS” (syssec.ruhr-uni-bochum.de/media/emma/ver…), also don’t miss the presentation of our work “Digging Deeper: An Analysis of Domain Impersonation in the Lower DNS Hierarchy” (syssec.ruhr-uni-bochum.de/media/emma/ver…) #DIMVA21

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

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. krebsonsecurity.com/2021/10/what-h…

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

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: syssec.ruhr-uni-bochum.de/media/emma/ver…

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

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!

Die Mehrwerte der #ePA kurz vorgestellt mit den drei neuen BITMARCK-Erklärfilmen. Jetzt reinschauen: bitmarck.de/infothek/videos

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. 💪

Good morning. First day at Barmenia.