Fredrik started out his security career in binary analysis and development of reverse engineering tools. He has more than 20 years of experience in the field. For the last decade his focus has shifted more towards telecom security where he is a recognized leading expert and security researcher.
In recent years he has been heavily involved in the industry efforts to secure the global signaling networks, working on unique offensive research such as the Root Canal attack and firewall bypass techniques. He also works closely with the industry bodies and helps shape the industry wide recommendations on signaling security for SS7, Diameter, 5G protocols and NFV.