Ericsson Research Blog

Research, insights and technology reflections

Prajwol Kumar Nakarmi

Prajwol is a Senior Security Researcher at Ericsson. He joined Ericsson in 2011 and is currently focusing on 5G security standardization. He has worked on projects related to anomaly detection/prevention in mobile networks. Prajwol holds a Master’s degree in Security and Mobile Computing (Erasmus Mundus Programme) from KTH, Sweden and Aalto, Finland

Prajwol Kumar Nakarmi

Protecting 5G against IMSI catchers

IMSI catchers are devices used to intercept wireless traffic and trace subscribers by their long-term identifiers (IMSIs). While the phenomenon is often exaggerated, IMSI catchers do pose a threat to subscriber privacy. On-going 5G standardization done in 3GPP is a golden opportunity to improve subscribers’ privacy by constructing a protocol architecture that protects against IMSI catchers.

Read more