Dr.-Ing. Johannes Braun

Short CV

since 07/2021: Chief Information Security Officer of TU Darmstadt (CISO)

10/2014-06/2021: Manager of the DFG Collaborative Research Center 1119 CROSSING

04/2015 Doctorate in Computer Science (Dr.-Ing.) at Technische Universität Darmstadt. Thesis: Maintaining Security and Trust in Large Scale Public Key Infrastructures, Supervisor: Prof. Dr. Johannes Buchmann

05/2010-4/2015: PhD student, Technische Universität Darmstadt, Germany

10/2004-12/2009 Diploma in Computer Science and Business Economics (Wirtschaftsinformatik), TU Darmstadt, Germany

  • Public Key Infrastructures
  • Web PKI
  • Electronic Identities and Signatures
  • Applied Cryptography
  • Long Term Security
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Ongoing projects

SFB 1119 CROSSING – Cryptography-Based Security Solutions: Enabling Trust in New and Next Generation Computing Environments

iBlockchain: Entwicklung und Einsatz von Blockchaintechnologien für die Industrie 4.0 (gefördert durch das BMBF)

Finalized projects

EU FP7: FutureID – Shaping the future of electronic identity

ISPRAT e.V.: Schlanke Infrastrukturen für den digitalen Rechtsverkehr: Vorwärtssichere Verfahren für qualifizierte elektronische Signaturen

ISPRAT e.V.: Der elektronische Safe als vertrauenswürdiger Cloud Service

Deutsche Telekom AG: MONA – Mobile Authentisierung mit dem neuen Personalausweis

SCIKE: Software-Cluster: Software-Cluster-Internationalisierungsstrategie zur Komplettierung von Kernkompetenzen für Zukunftsthemen der Unternehmenssoftwarebranche

Lectures, Seminars

  • Public Key Infrastructures; lecture; summer term 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
  • Grundlagen der Informatik 2; lecture; summer term 2014
  • Implementation of a reputation system for CA trust management; Implementation of proactive revocation checking; crypto lab; summer term 2014
  • Implementation of a universal certificate verification service based on notaries; Implementation of a Firefox Extension for external certificate path validation; crypto lab; winter term 2013/14
  • Electronic Society; conference seminar; winter term 2012/13; summer term 2013
  • Secure Multiparty AES; crypto lab; winter term 2012/13
  • Forward secure signatures for Certification Authorities; PKI lab; summer term 2012
  • Cloudsafe – sicherer Datenspeicher in der Cloud; crypto lab; summer term 2011
  • Electronic Identities; conference seminar; winter term 2010/11

Supervised Theses

  • Mobile Authentisierung mit dem neuen Personalausweis (MONA); Moritz Horsch; Master thesis; 2011
  • Individuell angepasstes Vertrauen in die Web-PKI. Eine Analyse des Einsparungspotentials an vertrauenswürdigen CAs; Gregor Rynkowski; Master thesis; 2013
  • Policy-basierter Vergleich von Zertifizierungspraktiken innerhalb der Web-PKI; Michael Gleser; Bachelor thesis; 2013
  • Integration von vorwärtssicheren Signaturverfahren in die CA Infrastruktur; Sheng Guo; Studienarbeit; 2012
  • Design and deployment of a public key infrastructure; Christian Klos; Bachelor thesis; 2013
  • Risk Simulations for the Web PKI; Daniel Franke; Bachelor thesis; 2014
  • Reputation Systems for Trust Management in the Web PKI; Jiska Classen; Master thesis; 2014
  • NotaryCache: Preventing man-in-the-middle attacks through ubiquitous multi-path probing; Fabian Letzkus; Master thesis; 2015
  • Implementation of a Reputation System for CA Trust Management; Isabella Dix; Bachelor thesis; 2016
  • Analyse von TLS Bibliotheken basierend auf Fuzz Testing; Johannes Roth; Bachelor thesis; 2016
  • From Perimeter Security to Zero Trust Networks using Service Meshes; Nils Neumann; Master thesis; 2020
  • Hybrid TLS 1.3; Marcus Brandt; Bachelor thesis; 2021
  • Anwendbarkeit des BSI-Grundschutzes auf eine Fachgebietsinfrastruktur im Rahmen des universitären Gesamtkontextes; Markus Welzel; Master thesis; 2022
  • Anomalieerkennung in Netflow Daten mithilfe von maschinellem Lernen; Pascal Widera; Bachelor thesis; 2022
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