Lawful Interception
Course Details
There is ongoing debate about the balance between effective law enforcement and the right to privacy. Therefore, safeguards such as judicial authorisation, time limitations, and investigation scoping are required to provide a streamlined LI (Lawful Interception). This course presents how telecoms supports effective law enforcement through outlining the types or warrants used, the LI functional architecture, Intercept Related Information examples, 2G-5G LI, and LI in the IMS (IP Multimedia Subsystem).

Tom Miller
Mpirical Trainer
Tom is Mpirical's cybersecurity specialist, with an expertise in quantitative cybersecurity risk management and communication. Tom has experience developing and delivering undergraduate and postgraduate material for both computer science and cybersecurity.
£95
Individual Course
Course Contents
Lawful Interception Warrants and Architecture:
- Types of Warrants.
- Functional Architecture – High Level.
4G and 5G - Lawful Interception Functional Entities:
- LEA.
- ADMF.
- POI.
- TF.
- MDF.
- LEMF.
IRI Examples:
- IRI – Mobile Originated and Terminated Calls.
- IRI – Mobile Originated and Terminated SMS.
- IRI – IP Session.
5G Lawful Interception:
- Interception at the AMF.
- Interception at the SMF and UPF.
- Interception at the SMSF.
- Interception at the UDM.
4G Lawful Interception:
- Interception at the MME.
- Interception at the SGW/PGW.
- Interception at the ePDG.
- Interception at the HSS.
CS and PS Lawful Interception:
- Circuit Switched Interception.
- Packet Switched Interception.
- Interception at the HLR.
IMS:
- LI IMS High-Level Architecture.
- IRI-POI and xIRI Events.
- CC-POI and xCC Events.
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