Telco technical

& business courses

available worldwide

IMS Security and Attacking Telecom Infrastructure

security, fraud, engineers
available worldwide
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Who Should Attend?

This course is aimed at telecom core engineers who want to learn about modern telecom and mobile systems and networks in the context of IMS and NGN core networks. Along with its main benefits, we present the core evolutions of the legacy telecom networks into IMS networks and the reuse of IETF-based protocols in the context of IMS.


Course Scope

  1. IMS Introduction.
  2. IMS Benefits.
  3. IMS Technologies.
  4. The Root of IMS Technology.
  5. IMS Security Architecture.
  6. Study of IMS-specific Protocols.
    • SIP IETF.
    • SIP-I.
    • SIP-T Diameter.
  7. Overview of other protocols still used in IMS.
    • GTP-C
    • GTP-U
    • GTPv2
    • GTP’.
  8. Overview, Security Roles, and Functions of IMS Network Elements.
    • HSS.
    • BG/BGCF.
    • MGCF.
    • SGW.
  9. Specific Network Elements in recent versions of IMS core networks.
    • SDP/SDR.
    • PCRF. 
  10. Security of different IMS planes.
    • Access.
    • Transport.
    • Control.
    • Application.
  11. IMS Communication security.
  12. Open Source IMS tools.
  13. IMS network element fingerprinting.
  14. Typical attacks on IMS infrastructure.
  15. Role of legacy in IMS security.
    • Interconnection with SS7 signaling network element.
    • H248.
  16. Vulnerabilities of some Voice over IP protocols:
    • SIP-I.
    • SIP-T.
    • H323.
  17. Analysis of Network Elements and vulnerabilities.
    • Generic IMS Network Element vulnerabilities.
  18. Diameter security.
  19. IMS Network Attack Scenario.
    • Radio-based, role of the subscriber.
    • Infrastructure-based, Transmission or RAN vector.
    • Internal-based, attack.
  20. Next steps to becoming an IMS network auditor.


  • Basic knowledge of telecom & network principles: 
    • 2G, 3G, 4G. 
    • OSI network layers. 
    • Telecom technology. 
  • Thorough knowledge and usage of Wireshark.
  • Basic skills and usage of Linux for reverse engineering (strings, knowledge of tools in BackTrack for reverse engineering). 
  • Legal IDA Pro license recommended, but optional.
  • In addition, please bring a laptop with Linux installed either in a VM or native, BackTrack or Ubuntu (reverse engineering and hacking tools recommended).


Training Structure

Three-days training divided into logical sessions.



Instructor-led training. The participants will receive access to a vulnerability scanner for telecom infrastructure.

Very clear explanations.

Ms. Tatyana Krasyuk, Life Ukraine

Overwhelming knowledge and expertise. Interactive and enjoyable learning.

Mr. Ashish Shrestha, NCell Nepal

Great teacher with deep knowledge and experience.

Mr. Philippe Wrzecionek, TATA

The course covers all the impacted areas.

Ms. Gratia Scanteie, Vodafone, RO

Trainer understands local market experience.

Mr. Andrew Sweetman, Wataniya

The best training ever.

Mr. Timur Zagretdinov, MTT Russia

The whole course was very valuable.

Mr. Sayyid Ali, Dhiraagu Maldives

The course exceeded my expectations. Hats off!

Mr. Adnan Syed, Mobily

Really practical and very fruitful training.

Mr. Niroj Raya, NCell Nepal

Trainer was able to answer practical questions.

Mr. Daniel Krolikowski, Play Poland

Deep and detailed topic analysis.

Mr. Mohamed Sabry, Vodafone Egypt

Training provides useful methods to analyze real protocols.

Mr. Seema Karn, NCell Nepal

I feel like the trainer is the best professor and mentor one can have.

Ms. Ledia Meici, AMC Albania

I am very impressed with the trainer's knowledge and experience.

Mr. Mouin Al Saghir, Vivacell

Excellent exercises!

Mr. Muhammad Ali, Mobilink Pakistan

Excellent, knowledgeable trainer, open to communication.

Mr. Dmitrii Kropotov, Tele2 Russia

Excellent methodology of teaching. Simple and easy to understand training.

Mr. Arben Shabani, PTK Kosovo

Excellent course and instructor.

Mr. Nikolay Suetin, Beeline Russia

Good direct connection between course material and real problems.

Mr. Alex Konstantopoulos, Cosmote, GR

Very effective training methods.

Ms. Erjona Xhemali, AMC Albania

Training was above expectations!

Mr. Ariel Haxhiu, Eagle Mobile, AL

I received a lot of useful information which I use in my work every day.

Ms. Viktoriya Gusarova, Beeline RU

Perfect course.

Mr. Arseniy Mazanik, Beeline Russia

The trainer is capable of answering all my questions.

Ms. Ana Gheorghe, Vodafone RO

Trainer understands local market experience.

Mr. Andrew Sweetman, Wataniya

A clear picture of GSM switching and signalling.

Ms. Anette Chale, mCel Mozambique

Everyone gets individual attention from the trainer.

Ms. Inga Tomsone, Tele2 Latvia

Good class notes and great examples.

Mr. Ghaffar Masood, Mobilink Pakistan

Trainer adapted to the expectations of the audience.

Mr. Antoine Blanchet, Monaco Telecom

More than excellent course!

Ms. Inessa Mijiferjyan, Vivacell

A lot of useful materials and knowledge.

Mr. Shukhrat Khaydar, UCell

Very well organized training programmes.

Mr. Mihnea Teodorescu, Cosmote, RO

Professional, high-quality trainer.

Mr. Gagik Shatveryan, Vivacell

Trainer is open for comments and discussion.

Ms. Natalya Nerubenko, Life Ukraine

Unique training covering the most important areas of my work.

Mr. Eldar Mursaqulov, Azercell

Experienced trainer. Real cases with references to recommendations.

Mr. David Curkan, T-Mobile Croatia

Good logical structure of the course and explanation.

Ms. Elena Shevtsova, Beeline, KZ

Course covers all important issues and presents relevant examples.

Mr. Mohamed Kamel, Vodafone Egypt

Experienced trainer. Excellent descriptions.

Mr. Ahmad Doar, Mobily, KSA

Excellent knowledge from the trainer.

Ms. Catherine Barman, Swisscom

Regardless of technology I received theoretical and practical answers.

Mr. Kosta Pribić, T-Mobile Croatia

Trainers have passion to teach & impart knowledge.

Mr. Kanchan Chitrakar, Ncell Nepal

This course will be very useful in my daily work.

Mr. Leopoldino Ferreira, Unitel Angola

Highly professional trainer with lots of practical experience. Friendly and open.

Ms. Olga Rudnicka, Tele2 Latvia

Many different people from different operators can share their problems and ideas.

Mr. Omar El-Fiky, Vodafone Egypt

Seminar entirely for Telecommunication operators. A lot of issues covered.

Ms. Pinelopi Tragoudara, Vodafone GR

A good approach to a complex problem.

Ms. Horia Catrinoiu, Vodafone RO

The training exceeded my expectations.

Ms. Irida Gjashta, AMC Albania

The training is completely excellent.

Mr. Philipp Korostelev, Beeline Moscow

Amazing, more than excellent, audience-oriented trainer.

Mr. Evgeniy Dmitriev, Astelit Ukraine

I can proudly recommend these courses for others as well.