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Eleanor Holtmanns and Silke Holtmanns

Dr Silke Holtmanns (pictured right) is a distinguished expert in telecommunication security. She has worked as a security architect and researcher for Norlys, PwC, Enea, Bell Labs, Nokia and Ericsson as well as being an advisor to ENISA and the GSMA. Silke is the founder of Blue Hour Oy, a security consultancy.

Eleanor Holtmanns (pictured left) works as a Technical Consultant at Blue Hour Oy while studying Mathematical Sciences at the University of Oulu.

Articles by This Author

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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.

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