I keep hearing on VPN ads that you have to use a VPN to not have your login information stolen. So far I have been using Cloudflare WARP to be safe enough. However, if I am using an HTTPS website, do I really need a VPN or WARP? Will an attacker on the same network as me be able to access passwords transmitted over HTTPS?
The best way to think about a VPN is a different ISP, when you activate a VPN your traffic goes through an encrypted tunnel through your primary ISP to the VPN, then the traffic is decrypted and dumped onto the internet. If you trust your VPN more than your ISP (either because they are more trustworthy or because they don’t know who you are) then it is a win. If you trust your ISP less than your VPN it is a loss.
One important thing to highlight is like public WiFi that can allow people nearby to try and sniff your traffic. A VPN can be quite effective here even if you trust the ISP “behind” the WiFi.
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