Securing network communication: firewalls, encryption and secure connections

This week’s topics

Securing network communication: firewalls, encryption and secure connections

1. The security measures used to secure communication across computer networks

What you will be able to do

• 2.3 Analyse the security measures used to secure communication across computer networks.

Activity

Start with this week’s 2 videos, then: Seminar, guided reading and a short written task: analyse the security measures used to secure communication across computer networks.

Study materials

Videos

• Network security · Oak National Academy, Key Stage 4 (GCSE level) · for registered students
• Protecting networks from security threats · Oak National Academy, Key Stage 3 (lower secondary level) · for registered students

Further resources

• NIST SP 800-41r1, section 2: Overview of Firewall Technologies · PDF · NIST SP 800-41r1 (2009), section 2: what firewalls do, incl. firewalls for hosts and home networks (a step up) · for registered students
• NIST SP 800-41r1, sections 4–5: Firewall policy and planning · PDF · NIST SP 800-41r1 (2009), sections 4–5: writing firewall rules and deploying a firewall (a step up) · for registered students
• NIST SP 800-153, section 2: WLAN Security Configuration · PDF · NIST SP 800-153 (2012), section 2: securing wireless LANs (a step up), pp. 3–7 · for registered students
• NIST SP 800-46r2, section 2: Telework and Remote Access Security · PDF · NIST SP 800-46r2 (2016), section 2: remote access methods and their risks (a step up), pp. 2–12 · for registered students
• Key reinstallation attacks: forcing nonce reuse in WPA2 · Open-access article · Vanhoef & Piessens (2017), ACM CCS 2017. The KRACK attack on WPA2, showing why wireless encryption must be patched. · for registered students