Erka Koivunen on the balance between the promise of anonymity and the need to protect law and order

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MP4 with subtitles

Erka Koivunen is the Chief Information Security Officer at F-Secure.

You can find out more about Erka Koivunen at the corporate blog or via his Twitter account @ekoivune.


Law enforcement approaches a VPN provider with a timestamp and an IP address. As explained, the timestamp may be vague and may affect other customers, not only the suspect.

How many identities are at risk in this example?