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communication:security [2017/10/27 00:13] frater_secessus [your connection to the net] |
communication:security [2018/01/04 09:13] frater_secessus [Wireless security for nomads] |
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- | ====== | + | ====== |
- | + | 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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If the website is secured it doesn' | If the website is secured it doesn' | ||
- | 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. | + | 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. |
+ | |||
+ | It is a fallacy to think open wifi connections present any threat to connections to secured websites. \\ | ||
+ | It is a fallacy to think mobile data increases security on connections to secured websites. | ||
==== VPN ==== | ==== VPN ==== | ||
- | A vpn encrypts one or more of the first hops. After the VPN exit the traffic is just as it was: either secured or unsecured. | + | 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 to hide one's IP from the world or hide traffic from an employer, ISP, or someone else in the first few hops. It does not increase security for people already using secured websites. | + | The real value of a VPN is: |
+ | * hide one's IP address | ||
+ | * hide traffic from an employer, ISP, or someone else //in the first few hops//. It does not increase security for people already using secured websites | ||
==== what about Three Letter Agencies ==== | ==== what about Three Letter Agencies ==== |