Telecom (Part 3): IPDR and Lawful Interception
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This lesson covers two topics that are central to internet investigations. The first is the Internet Protocol Data Record (IPDR), which logs internet sessions. The second is lawful interception. This is the surveillance of communications under legal control. Both are powerful. Both are tightly bound by law.
Focus: understand what an IPDR shows, and the basics of IP addressing and NAT. Understand the strict legal frame around lawful interception.
Learning objectives
- List the main components of an IPDR and how it is analysed.
- Explain the difference between IPv4 and IPv6, and what Network Address Translation (NAT) does.
- Define lawful interception and name the technologies involved.
- Explain the legal and human-rights limits that govern interception.
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