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Johanna Ullrich
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2020 – today
- 2026
[c23]Gabriel K. Gegenhuber, Philipp É. Frenzel, Maximilian Günther, Johanna Ullrich, Aljosha Judmayer:
Hey there! You are using WhatsApp: Enumerating Three Billion Accounts for Security and Privacy. NDSS 2026
[c22]Hannes Weissteiner, Roland Czerny, Simone Franza, Stefan Gast, Johanna Ullrich, Daniel Gruss:
Continuous User Behavior Monitoring using DNS Cache Timing Attacks. NDSS 2026
[e1]Simone Ferlin-Reiter, Romain Fontugne, Johanna Ullrich:
Passive and Active Measurement - 27th International Conference, PAM 2026, Virtual Event, March 23-25, 2026, Proceedings. Lecture Notes in Computer Science 16477, Springer 2026, ISBN 978-3-032-18267-8 [contents]
[i5]Florian Holzbauer, David Schmidt, Gabriel Karl Gegenhuber, Sebastian Schrittwieser, Johanna Ullrich:
Malicious Or Not: Adding Repository Context to Agent Skill Classification. CoRR abs/2603.16572 (2026)- 2025
[c21]Stefan Gast
, Nora Puntigam, Simone Franza
, Sudheendra Raghav Neela
, Daniel Gruss
, Johanna Ullrich
:
Zero-Click SnailLoad: From Minimal to No User Interaction. ESORICS (4) 2025: 106-125
[c20]Florian Holzbauer
, Sebastian Strobl
, Johanna Ullrich
:
Tracking Internet Disruptions in Ukraine: Insights from Three Years of Active Full Block Scans. IMC 2025: 474-492
[c19]Gabriel K. Gegenhuber, Maximilian Günther, Markus Maier, Aljosha Judmayer, Florian Holzbauer, Philipp É. Frenzel, Johanna Ullrich:
Careless Whisper: Exploiting Silent Delivery Receipts to Monitor Users on Mobile Instant Messengers. RAID 2025: 266-283
[i4]Gabriel K. Gegenhuber, Philipp É. Frenzel, Maximilian Günther
, Johanna Ullrich, Aljosha Judmayer:
Hey there! You are using WhatsApp: Enumerating Three Billion Accounts for Security and Privacy. CoRR abs/2511.20252 (2025)- 2024
[j7]Anja Klauzer, Markus Maier
, Lore Abart-Heriszt, Johanna Ullrich
:
Fostering security research in the energy sector: A validation of open source intelligence for power grid model data. Comput. Secur. 146: 104042 (2024)
[c18]Florian Holzbauer
, Markus Maier
, Johanna Ullrich
:
Destination Reachable: What ICMPv6 Error Messages Reveal About Their Sources. IMC 2024: 280-294
[i3]Gabriel Karl Gegenhuber, Markus Maier, Florian Holzbauer, Wilfried Mayer, Georg Merzdovnik, Edgar R. Weippl, Johanna Ullrich:
An Extended View on Measuring Tor AS-level Adversaries. CoRR abs/2403.08517 (2024)
[i2]Gabriel K. Gegenhuber, Maximilian Günther
, Markus Maier
, Aljosha Judmayer, Florian Holzbauer
, Philipp É. Frenzel, Johanna Ullrich:
Careless Whisper: Exploiting Stealthy End-to-End Leakage in Mobile Instant Messengers. CoRR abs/2411.11194 (2024)- 2023
[j6]Markus Maier
, Johanna Ullrich
:
In the loop: A measurement study of persistent routing loops on the IPv4/IPv6 Internet. Comput. Networks 221: 109500 (2023)
[j5]Gabriel K. Gegenhuber
, Markus Maier
, Florian Holzbauer
, Wilfried Mayer, Georg Merzdovnik
, Edgar R. Weippl
, Johanna Ullrich
:
An extended view on measuring tor AS-level adversaries. Comput. Secur. 132: 103302 (2023)- 2022
[c17]Florian Holzbauer, Johanna Ullrich, Martina Lindorfer, Tobias Fiebig:
Not that Simple: Email Delivery in the 21st Century. USENIX ATC 2022: 295-308
2010 – 2019
- 2019
[j4]Matthias Wenzl
, Georg Merzdovnik
, Johanna Ullrich
, Edgar R. Weippl:
From Hack to Elaborate Technique - A Survey on Binary Rewriting. ACM Comput. Surv. 52(3): 49:1-49:37 (2019)
[c16]Adrian Dabrowski
, Georg Merzdovnik
, Johanna Ullrich
, Gerald Sendera, Edgar R. Weippl
:
Measuring Cookies and Web Privacy in a Post-GDPR World. PAM 2019: 258-270- 2018
[j3]Adrian Dabrowski
, Johanna Ullrich
, Edgar R. Weippl:
Botnets causing blackouts: how coordinated load attacks can destabilize the power grid. Elektrotech. Informationstechnik 135(3): 250-255 (2018)
[c15]Johanna Ullrich
, Nicholas Stifter, Aljosha Judmayer, Adrian Dabrowski
, Edgar R. Weippl:
Proof-of-Blackouts? How Proof-of-Work Cryptocurrencies Could Affect Power Grids. RAID 2018: 184-203- 2017
[j2]Johanna Ullrich
, Tanja Zseby, Joachim Fabini, Edgar R. Weippl:
Network-Based Secret Communication in Clouds: A Survey. IEEE Commun. Surv. Tutorials 19(2): 1112-1144 (2017)
[c14]Aljosha Judmayer, Johanna Ullrich
, Georg Merzdovnik
, Artemios G. Voyiatzis, Edgar R. Weippl:
Lightweight Address Hopping for Defending the IPv6 IoT. ARES 2017: 20:1-20:10
[c13]Zeeshan Ali Khan, Johanna Ullrich
, Artemios G. Voyiatzis, Peter Herrmann
:
A Trust-based Resilient Routing Mechanism for the Internet of Things. ARES 2017: 27:1-27:6
[c12]Adrian Dabrowski
, Johanna Ullrich
, Edgar R. Weippl:
Grid Shock: Coordinated Load-Changing Attacks on Power Grids: The Non-Smart Power Grid is Vulnerable to Cyber Attacks as Well. ACSAC 2017: 303-314
[c11]Aljosha Judmayer, Georg Merzdovnik
, Johanna Ullrich
, Artemios G. Voyiatzis, Edgar R. Weippl:
A Performance Assessment of Network Address Shuffling in IoT Systems. EUROCAST (1) 2017: 197-204- 2016
[j1]Johanna Ullrich
, Jordan Cropper, Peter Frühwirt, Edgar R. Weippl:
The role and security of firewalls in cyber-physical cloud computing. EURASIP J. Inf. Secur. 2016: 18 (2016)
[c10]Johanna Ullrich
, Artemios G. Voyiatzis, Edgar R. Weippl:
Secure cyber-physical production systems: Solid steps towards realization. CPPS@CPSWeek 2016: 1-4
[c9]Johanna Ullrich
, Edgar R. Weippl:
The Beauty or The Beast? Attacking Rate Limits of the Xen Hypervisor. ESORICS (2) 2016: 493-511- 2015
[c8]Jordan Cropper, Johanna Ullrich
, Peter Frühwirt, Edgar R. Weippl:
The Role and Security of Firewalls in IaaS Cloud Computing. ARES 2015: 70-79
[c7]Johanna Ullrich
, Peter Kieseberg
, Katharina Krombholz, Edgar R. Weippl:
On Reconnaissance with IPv6: A Pattern-Based Scanning Approach. ARES 2015: 186-192
[c6]Katharina Krombholz, Peter Frühwirt, Thomas Rieder, Ioannis Kapsalis, Johanna Ullrich
, Edgar R. Weippl:
QR Code Security - How Secure and Usable Apps Can Protect Users Against Malicious QR Codes. ARES 2015: 230-237
[c5]Johanna Ullrich
, Edgar R. Weippl:
Privacy is Not an Option: Attacking the IPv6 Privacy Extension. RAID 2015: 448-468
[p1]Johanna Ullrich
, Edgar R. Weippl:
Protection through isolation: Virtues and pitfalls. The Cloud Security Ecosystem 2015: 129-147
[i1]Johanna Ullrich, Edgar R. Weippl:
CyPhySec: Defending Cyber-Physical Systems. ERCIM News 2015(102) (2015)- 2014
[c4]Adrian Dabrowski
, Heidelinde Hobel
, Johanna Ullrich
, Katharina Krombholz, Edgar R. Weippl:
Towards a Hardware Trojan Detection Cycle. ARES 2014: 287-294
[c3]Adrian Dabrowski
, Katharina Krombholz, Johanna Ullrich
, Edgar R. Weippl:
QR Inception: Barcode-in-Barcode Attacks. SPSM@CCS 2014: 3-10
[c2]Johanna Ullrich, Katharina Krombholz, Heidelinde Hobel, Adrian Dabrowski, Edgar R. Weippl:
IPv6 Security: Attacks and Countermeasures in a Nutshell. WOOT 2014- 2013
[c1]Amir Herzberg
, Haya Schulmann, Johanna Ullrich
, Edgar R. Weippl:
Cloudoscopy: services discovery and topology mapping. CCSW 2013: 113-122
Coauthor Index

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last updated on 2026-05-07 01:51 CEST by the dblp team
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