If you are interested in me giving a talk at your event, then please be invited to contact me: steffen (at) wendzel (dot) de.
Selected Talks
- "BePI: Fast and Memory-efficient Method for Billion-Scale Random Walk with Restart",
FernUniversität in Hagen (talk in front of habilitation commission on topic outside of own research scope), Fakultät MI, DE; 2020-11-02. - "Realisierung von Prozessen in Betriebssystem-Kernen" [pdf],
FernUniversität Hagen (talk in front of habilitation commission), Fakultät MI, DE, 2020-09-21. - "Recent Advances in Network Steganography Detection",
DeepIntel, Vienna, AT, 2019-11-27. - "Protocol-independent detection of covert channels using the `Size Modulation' pattern",
ARES'19 CUING Workshop, Canterbury, UK, 2019-08-27. - "Smart Buildings - Herausforderungen an die IT-Sicherheit",
Stuttgarter Sicherheitskonferenz, Stuttgart, DE, 2019-07-19. - "Data leakage and covert data exfiltration: The new threat of network information hiding",
Smart Rail World Conference, Munich, 2019-06-18. - "Taxonomie und wissenschaftliche Methodik für das Gebiet Network Information Hiding",
FernUniversität in Hagen (Fakultätskolloquium), Hagen, 2019-05-27. - "IT-Sicherheit automatisierter Gebäude im IoT",
Auvesy-Konferenz, Karlsruhe, 2019-05-16. - "Network Covert Channel Patterns: Current State and Methodology",
Universität Bonn (Oberseminar Inst. f. Informatik IV), 2019-01-16. - "Detection of covert channels in TCP retransmissions",
23rd Nordic Conference on Secure IT Systems (NordSec), Oslo, NO, 2018-11-29. - "IT-Sicherheit und das Internet der Dinge",
VHS Böblingen-Sindelfingen e.V. (online webinar), 2018-11-19. - "One Countermeasure, Multiple Patterns: Countermeasure Variation for Covert Channels",
Central European Cybersecurity Conference (CECC), Ljubljana, SI, 2018-11-15. - "Get me cited, Scotty! Analyzing Citations in Covert Channel/Steganography Research",
ARES'18 CUING Workshop, Hamburg, DE, 2018-08-28. - "Towards Deriving Insights into Data Hiding Methods Using Pattern-based Approach ",
ARES'18 CUING Workshop, Hamburg, DE, 2018-08-28. - "Network Information Hiding" [Slides (PDF)],
COINS PhD Summer School 2018, Metochi, Lesvos, GR, 2018-07-28. - "IoT-Sicherheit für die GA-Industrie",
VDMA, Frankfurt, 2018-05-02. - "Steganography Ante Portas" [Slides (PDF)], [Video (YouTube)],
Hack-in-the-Box (HITB), Amsterdam, NL, 2018-04-12. - "IoT-Sicherheit -- was ist neu und was ist wichtig?",
Tüv-Süd Fachtagung Gebäude 4.0, München, 2018-04-11. - "IoT-Sicherheit -- was ist daran neu und was relevant?",
GI SecMgt Workshop 'Neue' Technologien und 'neue' Bedrohungen, Frankfurt, 2017-11-24. - "Inter-protocol Steganography for Real-time Services and Its Detection Using Traffic Coloring" [slides (PDF)],
42th IEEE LCN, Singapore, SG, 2017-10-10. - "Kryptografie und Netzwerksicherheit für die Gebäudeautomation",
Bälz Seminar, Technische Hochschule Köln, 2017-09-08. - "Sicherheit im Internet der Dinge",
KMU meets KMH, Worms, 2017-05-29. - "Don't You Touch My Nuts: Information Hiding In Cyber Physical Systems Using Smart Buildings" [slides (PDF)] [Video],
BioStar/IEEE Security and Privacy Workshops, San José, CA, United States, 2017-05-25 (per video stream). - "Ant Colony-inspired Parallel Algorithm to Improve Cryptographic Pseudo Random Number Generators",
BioStar/IEEE Security and Privacy Workshops, San José, CA, United States, 2017-05-25 (per video stream). - "IT-Sicherheit mit BARNI (Building Automation Reliable Network Infrastructure)",
Smart Home and Metering Summit 2016, München, Germany, 2016-06-29. - "Forschung zur Sicherheit von Smart Buildings",
SmartHome NRW-Event zur Sicherheit von Smart Homes, Bonn, Germany, 2016-04-26. - "Novel Approaches for Network Covert Storage Channels",
Guest talk at the Murdoch University, Perth, Australia, 2016-02-19. - "IT-Sicherheit von Smart Homes: Chancen und Risiken",
Landeskriminalamt (LKA) Niedersachsen, Hannover, Germany, 2016-01-28. - "Security in Smart Building Networks",
NRW.Invest / Germany at its best, Tower Bridge House, London, United Kingdom, 2015-12-03. - inHaus-Event: "Sicherheit von Smart Homes" (event moderator),
Fraunhofer inHaus-Zentrum, Duisburg, Germany, 2015-11-17. - "Your house knows what you did last summer" (talk and panel),
ECO Internet Security Days (ISD) 2015, Brühl, Germany, 2015-09-17. - "BACtag – Data Leakage Protection für Gebäude",
D-A-CH Security 2015, St. Augustin, Germany, 2015-09-09. - "Analysis of Human Awareness of Security and Privacy Threats in Smart Environments",
Human Aspects of Information Security, Privacy and Trust Conference, Los Angeles, United States, 2015-08-06. - "Auf dem Weg zum sicheren Smart Building",
Forum Bauindustrie 2015, Zurich, Switzerland, 2015-05-21. - "Smart Buildings -- sind sie kritische Infrastrukturen?",
Workshop des AK KRITIS, Bonn, Germany, 2015-04-24. - Vortrag über den wissenschaftlichen Ausblick auf die Cyber Security der Zukunft,
2. Mannheimer Symposium des IKZ „Möglichkeiten und Auswirkungen des Cyberspace“, Mannheim, Germany, 2014-11-06. - "Hidden and Uncontrolled: The Emergence of Network Steganography",
ISSE 2014, Brussels, Belgium, 2014-10-14. - "Area of Interest on Trustworthy (Hyperconnected) Infrastructure (of NIS-P. WG3): Short Progress Report",
Seminar on Road-mapping Cybersecurity Research and Innovation, Florence, Italy, 2014-10-08. - "Netzwerksicherheit in BACnet-Systemen" (talk and panel),
GLT Anwendertagung, Dresden, Germany, 2014-09-25. - "BACnet Security and Botnets",
SANS European ICS Security Summit, Amsterdam, The Netherlands, 2014-09-22. - "Alice's Adventures in Smart Building Land – Novel Adventures in a Cyber Physical Environment" [PDF],
Hack in the Box (HITB), Amsterdam, The Netherlands, 2014-05-29/30. - "Smart Insecure Buildings",
ITEC 2014 (International Training and Education Conference), Cologne, Germany, 2014-05-21. - "Smart Industrial Buildings: Sicherheit für Automation und Management von Gebäuden",
2. VDI Fachkonferenz Industrial IT Security, Frankfurt, Germany, 2014-05-07. - "Area of Interest on Trustworthy (Hyperconnected) Infrastructures",
NIS Platform WG3 Meeting, Brussels, Belgium, 2014-04-49. - taking part at the panel "Towards defining priorities for cybersecurity research in Horzon 2020's work programme 2016-2017 Contributions from the Working Group on Secure ICT - Research and Innovation of the NIS Platform"
Trust in the Digital World Conference (TDW), Vienna, Austria, 2014-04-08. - "Envisioning Smart Building Botnets",
GI Sicherheit 2014, Vienna, Austria, 2014-03-21. - "Data Leakage Protection: Zukünftige Herausforderungen zur Sicherung von Vertraulichkeit",
Chemnitzer Linuxtage 2014, Chemnitz, Germany, 2014-03-15/16. - "Zukünftige Herausforderungen für die Sicherheit Smarter Gebäude",
21th DFN Workshop „Sicherheit in vernetzten Systemen“, Hamburg, Germany, 2014-02-18. - "Currently Addressed Challenges in Smart Building Security Research at Fraunhofer FKIE",
9th IT4SE Workshop, Augsburg, Germany, 2013-12-06. - Keynote: "Nach dem Angriff: Versteckte Exfiltration vertraulicher Daten",
Heise Events Konferenztag "Prism, Tempora und Co. – Rezepte gegen den Abhörwahn", Köln, Germany, 2013-12-03. - "Hiding Privacy Leaks in Android Applications Using Low-Attention Raising Covert Channels" [PDF],
ARES ECTCM Workshop, Regensburg, Germany, 2013-09-04. - "Novel Approaches for Network Covert Storage Channels" [Thesis as PDF] (slides, PDF),
PhD thesis defense talk at the University of Hagen, Hagen, Germany, 2013-05-07. - "Novel Approaches for Network Covert Channels"
Invited talk at Fraunhofer FKIE, Bonn, Germany, 2013-04-18. - "Covert Channel-internal Control Protocols"
Oberseminar at TUHH, Hamburg, Germany, 2013-04-16. - "Sicherheit in Sozialen Netzwerken",
Mitgliederversammlung Genossenschaftsbank Unterallgäu, Ottobeuren, Germany, 2013-03-21. - "Datenschutz und Datensicherheit im Zeitalter Sozialer Netzwerke",
Forum Mindelheim/Genossenschaftsbank Unterallgäu eG, Mindelheim, Germany, 2013-03-18. - "Ich weiß, was du letzte Woche getan hast! Seitenkanäle in der Gebäudeautomation",
Chemnitzer Linuxtage 2013, Chemnitz, Germany, 2013-03-17. - "The future of data exfiltration and malicious communication" [Slides (PDF)], [Video (YouTube)],
TROOPERS'13, Heidelberg, Germany, 2013-03-13. - "Dynamic Routing in Covert Channel Overlays Based on Control Protocols",
International Workshop on Information Security, Theory and Practice (ISTP-2012), London, United Kingdom, 2012-12-10. - "Covert Channels and their Prevention in Building Automation Protocols – A Prototype Exemplified Using BACnet",
2nd Workshop on Security of Systems and Software Resiliency, Besançon, France, 2012-11-20 - "Systematic Engineering of Control Protocols for Covert Channels",
13th Conference on Communications and Multimedia Security (CMS), Canterbury, United Kingdom, 2012-09-04. - "Control Protocols for Network Covert Channels",
7th GI FG SIDAR Graduierten-Workshop über Reaktive Sicherheit (SPRING), Berlin, Germany, 2012-07-06. - "Covert and Side Channels in Buildings and the Prototype of a Building-aware Active Warden",
IEEE Workshop on Security and Forensics in Communication Systems, Ottawa, Canada, 2012-06-15. - "Design and Implementation of an Active Warden Addressing Protocol Switching Covert Channels" [PDF],
7th ICIMP Conference (IARIA), Stuttgart, Germany, 2012-05-28. - "Security in building automation systems and the prevention of malicious data communication in building automation networks",
Linux-Informationstag der LUGA, Augsburg, Germany, 2012-03-24. - "The Problem of Traffic Normalization Within a Covert Channel's Network Environment Learning Phase"
GI Sicherheit 2012, Darmstadt, Germany, 2012-03-08. - "Micro protocols and dynamic protocol switches in network covert channels",
Guest Talk at the Swinburne University, Melbourne, Australia, 2012-01-12. - "A Secure Interoperable Architecture for Building-Automation Applications",
4th International Symposium on Applied Sciences in Biomedical and Communication Technologies, Barcelona, Spain, 2011-10-27. - "Low-attention forwarding for mobile network covert channels",
IFIP 12th Communications and Multimedia Security (CMS) 2011, Ghent, Belgium, 2011-10-21. - "Verdeckte Kanäle: Informationen durch die Hintertür",
Datenspuren 2011, Dresden, Germany, 2011-10-15. - "Verdeckte Kanäle - Neuland für freie Software",
Open-Source-Treffen München, Germany, 2011-07-22. - "Aktuelle Techniken und Methoden der verdeckten Kommunikationskanäle",
Chaos Singularity (CoSin) 2011, Biel, Switzerland, 2011-06-25. - "Europäische Forschungsprojekte im Schnittbereich IT und erneuerbare Energien",
1st IT4SE-Workshop, Augsburg University of Applied Sciences, Augsburg, Germany, 2010-12-07. - "Einführung in verdeckte Kanäle (Covert Channels)"
9. Linux-Infotag der Linux-Usergroup Augsburg (LUGA), Augsburg, Germany, 2010-05-27. - "Protocol Hopping Covert Channels und Protocol Channels"
MetaRheinMain ChaosDays 0x8, Darmstadt, Germany, 2009-09-06. - "Hostbasierte Sicherheit und Linux-Hardening"
Secure Linux Administration Conference (SLAC), Berlin, Germany, 2006-12-07.