
Network, Systems and Cloud Security
Security of networks, operating systems, distributed infrastructures, services and cloud environments.
Babeș-Bolyai University
Faculty of Mathematics and Computer Science
The CYPHER group conducts fundamental and applied research in cybersecurity, privacy, ethical hacking and exploit research. The group brings together faculty, researchers, PhD candidates, collaborators and students and develops research, education and knowledge-transfer activities.
Key research directions and expertise

Security of networks, operating systems, distributed infrastructures, services and cloud environments.

Web and application security, malicious-resource detection, data protection and secure software engineering.

Vulnerability discovery and analysis, penetration testing, exploit research and defensive countermeasures.

Privacy protection, digital identity, authentication, authorization and trust-enhancing technologies.

Cyber-threat and malware analysis, phishing, spam/scam, social engineering and open-source intelligence.

Machine learning, deep learning, natural-language processing and LLM-based methods for cybersecurity.

Presentation of our work on phishing detection with LLM-based models.

CYPHER members participated in the launch of Today Software Magazine #165, to which they contributed the article On Education and Resilience in Cybersecurity.

DoNotSurf - Low-Latency DNS IP Tunneling.

European project for specialised education and advanced cybersecurity skills.
European project supporting institutional capacity and advanced cybersecurity education.

T6 - AI in Cybersecurity and Space; Team 3 coordinated by Darius Vasile Bufnea.