Dr Silke Holtmanns is a security specialist in Bell Labs Nokia. She has been researching and designing cellular security for 16 years. She has been standardizing 3GPP security for 10 years and is rapporteur of many 3GPP security standards. She has authored over 50 cellular security publications and authored book chapters and a book. Currently, she investigates new SS7 and diameter attacks to cellular networks and countermeasures.
