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communication:security [2017/10/27 00:04] frater_secessus [connecting over wifi] |
communication:security [2020/10/11 19:48] (current) |
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- | ====== Wireless security ====== | + | ====== Wireless security |
- | + | Because nomads don't stay in one place their internet connection is usually wireless (ie, radio based). | |
- | Wifi and mobile data are both based on radios | + | |
- you are transmitting sensitive data; //and// | - you are transmitting sensitive data; //and// | ||
- the data is unencrypted at any point along the route | - the data is unencrypted at any point along the route | ||
- | **Short version: | + | **Short version: |
> You could have an airplane write the transmitted data in the sky and it would still be safe. You could tattoo it on your face and it would be safe. You could paint it on the side of the empire state building and it would be safe. -- secessus | > You could have an airplane write the transmitted data in the sky and it would still be safe. You could tattoo it on your face and it would be safe. You could paint it on the side of the empire state building and it would be safe. -- secessus | ||
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==== using websites ==== | ==== using websites ==== | ||
- | {{ http:// | + | {{ http:// |
**If the website is secure the information is fully encrypted between your browser and the website**. | **If the website is secure the information is fully encrypted between your browser and the website**. | ||
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You will have to verify the encryption of app connections on an app-by-app basis. | You will have to verify the encryption of app connections on an app-by-app basis. | ||
- | ==== connecting | + | ==== your connection |
Connecting to the net over wifi or mobile data is the "first hop" along the route to the server. | Connecting to the net over wifi or mobile data is the "first hop" along the route to the server. | ||
+ | If the website is secured it doesn' | ||
- | ==== what about Three Letter Agencies ==== | + | If the website is not secured then password **protected wifi or mobile data may protect you from casual onlookers at that first hop**((ie, at that McDonalds or between your phone and the tower. |
- | **Q.** | + | It is a fallacy |
- | **A.** | + | It is a fallacy to think mobile data increases security on connections to secured websites. |
- | ==== connecting over mobile data ==== | + | |
+ | ==== VPN ==== | ||
+ | A vpn encrypts one or more of the first hops and exits Somewhere Else. After the VPN exit the traffic is just as it was: either secured or unsecured. | ||
+ | The real value of a VPN is: | ||
+ | * hide one's IP address from the world in order to foil geolocation. | ||
+ | * hide one's IP address from the world to complicate identification. | ||
+ | * hide traffic from an employer, ISP, or someone else //in the first few hops// | ||
- | using wifi | ||
- | using mobile data | + | Those with a *nix shell elsewhere and a bit of skill can use [[https:// |
+ | |||
+ | ==== what about Three Letter Agencies ==== | ||
+ | |||
+ | **Q.** | ||
+ | **A.** | ||