Network Security

• List commonly-seen threats arising from the use of particular protocols in networked computer systems.
• Exploit and know how to fix common vulnerabilities and attacks against servers and other networked computer systems.
• Explain common vulnerabilities of wireless networks and mechanisms used to secure them.
• Explain the basic mechanisms used for the detection of intrusion attempts in computer systems.
• Perform a network scanning and a vulnerability assessment against a computer network.
• Select appropriate firewall rules expressed in a commonly-used rule language in order to implement a given firewall security policy.
• Select appropriate mechanisms to protect a networked computer system against given risks.
• Understand the basics around modern IoT security and IoT protocols
• Select appropriate tools for communicating privately on the Internet.

Basic network security and authentication in networked systems (TLS, Kerberos, BGP); Security and attacks against Wi-Fi networks (WPS, WPA2, WPA3); threat prevention and detection (firewalls, intrusion detection systems, cyber-deception); private communication technologies (TOR, Signal), security and attacks against IoT networks; web security and attacks

02239, It is assumed that participants know a variety of commonly-used protocols for communication in data networks, and how they work.

Lectures and exercises.