CrySyS Lab

CrySyS Lab is committed to carrying out high-quality research on security and privacy in computer systems and networks, and to teaching IT security at BME.

[CrySyS Lab @CrySySLab]

Ezen a héten 61 BSc és MSc hallgató mutatta be kiberbiztonsági önálló labor projektjét a CrySyS Lab mentorálásával.
A témák az AI biztonságától és malware-elemzéstől a kriptográfián és webbiztonságon át az IoT-rendszerek védelméig terjedtek.
Gratulálunk minden hallgatónak! 👏🔐

[CrySyS Lab @CrySySLab]

Sikeres közös workshopot tartott a CrySyS Lab és az SZTE Szoftverfejlesztés tanszék május 8-án a BME-n! Fókuszban a szoftverbiztonság, AI-alapú sérülékenység-keresés, modern járművek védelme és az AI-malware kihívásai. Izgatottan várjuk a közös folytatást! #kiberbiztonsag #AI

[CrySyS Lab @CrySySLab]

🎉 CrySyS Lab is growing!

Csaba Krasznay joins the CrySyS Lab as Associate Professor.

With extensive academic and industry experience in cybersecurity, his arrival further strengthens our internationally recognised research and education activities.

[CrySyS Lab @CrySySLab]

Magyar egyetemisták közösen vettek részt a NATO Locked Shields Partner Run 2026 gyakorlatán! 💻🔒 A BME-t a CrySyS Lab képviselte. A hazai cybertehetségek sikeresen tesztelték tudásukat a világ legnagyobb kiberbiztonsági gyakorlatának előkészítésében!
https://t.co/JoO2BU2bdG

[CrySyS Lab @CrySySLab]

🔐🤝 ARDENTS: új BME-s kutatói szövetség indult a megbízható és biztonságos számítógépes rendszerekért!
A CrySyS Lab és az ftsrg kezdeményezésére létrejött együttműködés a dependability és security közös erősítését célozza.
👉 https://t.co/hqiUbhI3fZ

[CrySyS Lab @CrySySLab]

https://t.co/7HflR2278S

[CrySyS Lab @CrySySLab]

🧬🔐 The SECURED project at BME just finished with active participation from CrySyS! It explored how synthetic data can enable secure, privacy-preserving use of health data for research — supporting innovation while protecting patients.
👉 https://t.co/YMrUyrZ69q

[CrySyS Lab @CrySySLab]

📄 New paper out!

A collaboration within the SECURED project between Barcelona and Budapest (Balázs Pejó) explores how privacy attacks can be leveraged to detect free riders in federated learning.
🔗 https://t.co/S3EUi9Uijq

[CrySyS Lab @CrySySLab]

🎉 Paper accepted!
“On the Fragility of Contribution Evaluation in Federated Learning” has been accepted at SaTML.
The work addresses a core problem in Balázs Pejó’s OTKA research and is a strong collaboration between TTK–VIK (BME).
🔗 https://t.co/PdXxh7eI0s

[CrySyS Lab @CrySySLab]

New Q1 publication! 🛡️
​T. Holczer's latest research is out in the International Journal of Critical Infrastructure Protection. A great collaboration between the HIT & VET departments.
​Free access for a limited time:
👉 https://t.co/tXLejKSZe4
​#CyberSecurity #BME #CrySyS

[CrySyS Lab @CrySySLab]

“Bribers, Bribers on the Chain, Is Resisting All in Vain? Trustless Consensus Manipulation Through Bribing Contracts” — a joint work by ELTE & BME (Biczók & Pejó) has been accepted at the Financial Cryptography and Data Security (FC) conference.

[CrySyS Lab @CrySySLab]

CrySyS Lab's Gergely Biczok has been appointed to serve on the External Advisory Board of NORCICS, the SFI Norwegian Centre for Cybersecurity in Critical Sectors. The NORCICS consortium is coordinated by NTNU.

[CrySyS Lab @CrySySLab]

⚡️ CrySyS Lab on the international stage!

Tamás Holczer gave a talk titled “Attacking the Protocols of Electric Power Systems” on November 6, 2025, at the Defence and Information Assurance Workshop hosted by the Defence Academy of the United Kingdom. 🇬🇧

[CrySyS Lab @CrySySLab]

🎉 Big congratulations to Gergely Ács for winning the NKFIH NKKP Advanced Grant for his project: Systematic Security Risk Assessment of AI-supported Critical Infrastructures
👏 A major recognition of his outstanding research on AI and cybersecurity!
🔗 https://t.co/qjHh5spmkZ

[CrySyS Lab @CrySySLab]

Shuaishuai L, Gergely A & Gergely B: Interdependent Privacy in Smart Homes: Hunting for Bystanders in Privacy Policies — accepted at FPS 2025.

With this paper, Liu has officially met the publication requirements for the PhD degree — congratulations!

[CrySyS Lab @CrySySLab]

📢 New publication!

Shuaishuai Liu & Gergely Biczók: Modeling interdependent privacy threats – just accepted in the International Journal of Information Security (Springer).

🔗 Preprint available: https://t.co/PuIaIIwFwF

[CrySyS Lab @CrySySLab]

Upcoming
9/22 [NNHH] Buttyán: Cybersec Challenges
9/23 [ITBN] Pék: Cyber Competitions
10/1 [HUNOG] Ács: Security of LLMs
10/3 [Hacktivity] Fuchs: TLSH Attacks & Nagy: Linux Rootkits
10/25 [DSL] Koltai: AI Threats & Pék/Sándor: Binary Exploitation
10/28 [WITSEC] Koltai: AI Threats

[CrySyS Lab @CrySySLab]

🚨 New paper alert!
Ziyuan Huang, Gergely Biczók & Mingyan Liu: Incentivizing Secure Software Development: The Role of Voluntary Audit and Liability Waiver just accepted in ACM Transactions on Privacy and Security.
📄 https://t.co/RG0KigqJSD

[CrySyS Lab @CrySySLab]

🚀 We’re moving!
CrySyS Lab is leaving Twitter (X) — follow us on BlueSky: https://t.co/MrZNx5yDeb 💙
🚀 Költözünk!
A CrySyS Lab elhagyja a Twittert (X) — kövess minket a BlueSky-on: https://t.co/MrZNx5yDeb 💙

[CrySyS Lab @CrySySLab]

Magyar egyetemisták közösen vettek részt a NATO Locked Shields Partner Run 2025 gyakorlatán! 💻🔒 A BME-t a CrySyS Lab képviselte. A hazai cybertehetségek sikeresen tesztelték tudásukat a világ legnagyobb kiberbiztonsági gyakorlatának előkészítésében!
https://t.co/nNUXEnEdbF