Penetration test reports

Mullvad VPN relay audit. June 2022. Wictor Olsson, Johanna Abrahamsson, Albin Eldstål-Ahrens.

Mullvad DNS over HTTPS server audit. February 2021. Wictor Olsson, Emilie Barse, Benjamin Svensson, Johanna Abrahamsson.

Research papers

Architectures for Inlining Security Monitors in Web Applications. ESSoS 2014: 141-60. Jonas Magazinius, Daniel Hedin, Andrei Sabelfeld.

The Perils of Repeating Patterns: Observation of Some Weak Keys in RC4. IACR Cryptology ePub Archive 2013/241. May 2013. J. Strombergson, S. Josefsson.

Marketing material

Securing connected vehicles is our specialty (pdf). May 2022. Assured.


How does NTS work and why is it important. November 2020. Netnod (co-authored).

Bringing Security to Contactless Biometric Payment Cards. October 2020. Fingerprints (co-authored).


IP-baserade kommunikationsprotokoll. 2013. Ljunggren, Schlyter, Strömbergson.


Cryptech – Open Hardware Security Modules for a safer, open world. FOSS North 2019. Joachim Strömbergson.

Leakage, Side Channels and Exfiltration in Computer Systems. October 2016. Joachim Strömbergson.

It’s all about the cookie (Slides). December 2014. Jonas Magazinius.

SSL Für Alle, Part 1 (Part 2; Slides). October 2013. Peter Magnusson, Joachim Strömbergson.

Vulnerabilities and Exploitation – Application Security Sci-Fi Hipster Edition (Slides). May 2013. Peter Magnusson.

Serial Killers – or Deserialization for fun and profit. May 2013. Peter Magnusson.

License Protections & Software Cracking. September 2012. Peter Magnusson.

The Anti Pattern. September 2012. Peter Magnusson.


IT-säkerheten är lika viktigt som bra bromsar (FKG) April 2022. Jonas Magazinius.

6 krypton dominerar i dag – men vilka dominerar i morgon? (TechWorld) May 2015. Joachim Strömbergson.

Chrome-tilläggen spionerar på dina surfvanor (TechWorld). May 2015. Jonas Magazinius.

RFID Security (SVT). July 2014. Mattias Jidhage.