20.5k unique visitors in the last 3 days

Silke Holtmanns

Silke is an expert in cybersecurity for telecommunications businesses. She has a deep understanding the security of many aspects of technology and the telecoms industry, including the air interface, the embedded UICC, core networks and virtualization, interconnection, threat intelligence, and the 5G convergence of IT with telecoms. Silke prides herself on always being on the leading edge of identifying new threats and developing standards to reduce them. She is currently employed by PwC and is a 5G security advisor to ENISA, having previously conducted security research for Enea AdaptiveMobile Security, Bell Labs, Nokia and Ericsson. You can contact Silke at [email protected].

Articles by This Author

How Private is Pretty Good Phone Privacy?

The creators of PGPP want to protect users from IMSI-catchers and location monitoring by rotating IMSIs and obfuscating geography but their methods are unlikely to scale and have important drawbacks.

The Commsrisk Global Fraud Dashboard


Our Global Fraud Dashboard uses AI-powered search to collate, update and visualize data about scams and other network abuses from around the world. New charts are added each month. See it here.

Get Our Weekly Newsletter by Email