The Computing Systems research line of PPGCO develops research in the following topics:

• Data analysis applied to information security (Security analytics).
• Human aspects of cyber-attacks
• Malicious code analysis (malware)
• Computer Network Traffic Analysis
• Diagnostic Analysis of Computer Systems
• High Availability Architectures
• Design Scalable Architectures
• High Performance Computing
• Cloud Computing
• Ubiquitous Computing
• Development and Evaluation of Intrusion Detection Systems
• e-Learning and u-Learning
• Network Management and Security
• Internet of Things (IoT)
• Future Internet
• Models and Platforms for Open Distributed Computing
• Agreement Problems
• Formal Protocol Design and Validation
• Next Generation Mobile Telecommunications Networks (5G)
• Next Generation Networks (NGN), VOIP, IMS (IP Multimedia Subsystems), Mobile Computing
• Software Defined Networking (SDN)
• Data Replication
• Adaptive Hypermedia Systems
• Operating Systems and Middleware
• Network Function Virtualization (NFV)