VPN on public Wi-Fi: what you actually risk
Hotels, airports, cafes — we sniffed these networks. Here are the attacks we observed and the minimal protection procedure.
Hotel Wi-Fi and VPN: why it's essential (2026 analysis)
We sniffed 12 Paris hotels' Wi-Fi in May 2026: 4 captive portals, 7 DNS leaks, 1 MITM attack. Here's what you need to know before connecting.
Airport VPN: why it's the worst public Wi-Fi (2026 analysis)
Roissy CDG, Orly, Heathrow, JFK: we spent 18 hours sniffing these networks in 2026. Here are the attacks observed and the VPN procedure that neutralizes them.
VPN hotel Wi-Fi on business trips: protecting emails and documents (2026)
On business trips, confidential emails, M&A slides and HR docs all go through hotel Wi-Fi. Here's the VPN procedure to validate with your IT.
VPN Wi-Fi at conferences: Viva Tech, Web Summit, CES (2026)
Viva Tech, Web Summit, CES: 100,000 people on the same Wi-Fi. Sniffing, MITM, fake hotspot risks. Here's the event VPN procedure.
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Sources & references
To dig deeper, here are the technical and institutional references we routinely consult.