M. Sc. Jens Müller

  • Research Assistant - Chair Network and Data Security

Address

Ruhr-Universität Bochum
Lehrstuhl für Netz- und Datensicherheit
Universitätsstraße 150
D-44801 Bochum

Room
ID 2/415
Phone:
(+49)(0)234 / 32 - 29177
Fax:
(+49)(0)234 / 32 - 14347
Email:
jens.a.mueller@rub.de PGP key
Website:
http://hacking-printers.net/

Vita

  • Talks and presentations (selection). Black Hat USA (2020); IEEE CNS (2020); HackCon #15, Oslo (2020); IT-Defense 2020, Bonn; German OWASP Day 2019, Karlsruhe; Black Hat EU, London (2019); HackPra, Münster (2019); USENIX Security, Santa Clara (2019); DEF CON 27, Las Vegas (2019); ACNS, Bogotá (2019); HackPra, Bochum (2019); IT-Defense 2019, Stuttgart; German OWASP Day 2018, Münster; RAID 2018, Heraklion; Black Hat USA, Las Vegas (2018); RuhrSec, Bochum (2018); Black Hat USA, Las Vegas (2017); CAST IT-Security Award 2017, Darmstadt (1st place); German OWASP Day 2017, Essen; CASED, Darmstadt (2017); IEEE Symposium on Security and Privacy, San Jose (2017); OWASP AppSec Europe 2017, Belfast; RuhrSec, Bochum (2017); a-i3/BSI Symposium 2017, Bochum; Hack In Paris (2013)

Research

OpenPGP, S/MIME, OOXML, ODF, PDF, Printer Security, PostScript, PJL, Fax, Cross-Site printing, CORS, Smart Metering, PLC

Courses

Publications

2020
Powerless Security – A Security Analysis of in-Home Power Line Communications based on HomePlug AV2

Stefan Hoffmann, Jens Müller, Jörg Schwenk, Gerd Bumiller - 18th International Conference on Applied Cryptography and Network Security (ACNS 2020)

Mailto: Me Your Secrets. On Bugs and Features in Email End-to-End Encryption

Jens Müller, Marcus Brinkmann, Damian Poddebniak, Sebastian Schinzel, Jörg Schwenk - 8th IEEE Conference on Communications and Network Security (CNS 2020)

2019
Practical Decryption exFiltration: Breaking PDF Encryption

Jens Müller, Fabian Ising, Vladislav Mladenov, Christian Mainka, Sebastian Schinzel, Jörg Schwenk - 26th ACM Con­fe­rence on Com­pu­ter and Com­mu­ni­ca­ti­ons Se­cu­ri­ty

Vulnerability Report: Attacks bypassing confidentiality in encrypted PDF

Jens Müller, Fabian Ising, Vladislav Mladenov, Christian Mainka, Sebastian Schinzel, Jörg Schwenk

“Johnny, you are fired!” – Spoofing OpenPGP and S/MIME Signatures in Emails

Jens Müller, Marcus Brinkmann, Damian Poddebniak, Hanno Böck, Sebastian Schinzel, Juraj Somorovsky, Jörg Schwenk - 28th USE­NIX Se­cu­ri­ty Sym­po­si­um (USE­NIX Se­cu­ri­ty '19)

Re: What's up Johnny? – Covert Content Attacks on Email End-to-End Encryption

Jens Müller, Marcus Brinkmann, Damian Poddebniak, Sebastian Schinzel, Jörg Schwenk - 17th International Conference on Applied Cryptography and Network Security (ACNS 2019)

Efail: Angriffe auf S/MIME und OpenPGP

Damian Poddebniak, Christian Dresen, Jens Müller, Fabian Ising, Sebastian Schinzel, Simon Friedberger, Juraj Somorovsky, Jörg Schwenk - 16. Deutscher IT-Sicherheitskongress

2018
Efail: Breaking S/MIME and OpenPGP Email Encryption using Exfiltration Channels

Damian Poddebniak, Christian Dresen, Jens Müller, Fabian Ising, Sebastian Schinzel, Simon Friedberger, Juraj Somorovsky, Jörg Schwenk - 27th USE­NIX Se­cu­ri­ty Sym­po­si­um (USE­NIX Se­cu­ri­ty 18)

PostScript Undead: Pwning the Web with a 35 Years Old Language

Jens Müller, Vladislav Mladenov, Dennis Felsch, Jörg Schwenk - 21st International Symposium on Research in Attacks, Intrusions, and Defenses (RAID 2018)

2017
SoK: Exploiting Network Printers

Jens Müller, Vladislav Mladenov, Juraj Somorovsky, Jörg Schwenk - 38th IEEE Symposium on Security and Privacy (S&P 2017)