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)
Hotel Wi-Fi is one of the most exposed networks: DNS leaks, unencrypted captive portals, MITM risk. 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.
VPN cafe and coworking: Wi-Fi security for freelancers (2026)
Starbucks, WeWork, café spaces: 200 freelancers on the same Wi-Fi. Sniffing, MITM, fake hotspot risks. VPN procedure tested May 2026.
VPN airport during flight wait: 3h to kill, what to know (2026)
3h wait at CDG, Heathrow, Madrid: opening Gmail, banking, Netflix on public Wi-Fi. Here's the VPN procedure that protects during flight wait.
VPN public transport: high-speed train, metro, long-distance bus (2026)
Eurostar, Paris metro, FlixBus: mobile Wi-Fi shared with 200 passengers. Observed risks and VPN procedure tested for the journey (May 2026).
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Sources & references
To dig deeper, here are the technical and institutional references we routinely consult.