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communication:security [2017/10/27 00:19]
frater_secessus [Wireless security] 		communication:security [2017/10/27 00:37]
frater_secessus [using websites]
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 ====== Wireless security for nomads ====== ====== Wireless security for nomads ======
-Because nomads, by definition, don't stay in one place their internet connection is usually wireless (ie, radio based).  Wifi and mobile data both use radios to transmit data back and forth.  This can present a security issue //if//:+Because nomads don't stay in one place their internet connection is usually wireless (ie, radio based).  Wifi and mobile data both use radios to transmit data back and forth.  This can present a security issue //if//:
   - 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
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 ==== using websites ==== ==== using websites ====
-{{ http://img.mousetrap.net/misc/https.jpg}}Websites are either secure (https:) or unsecure (http:).  Traditionally, the browser indicates with a padlock icon when sites are secure.  You can also click on that area to get security details such as the certifying authority, encryption type and number of bits, etc.+{{ http://img.mousetrap.net/misc/https.jpg}}Websites are either secure (generally prepended with https:) or unsecure (generally http:).  Traditionally, **the browser indicates with a padlock icon when sites are secure**.  You can also click on that area to get security details such as the certifying authority, encryption type and number of bits, etc.
  
 **If the website is secure the information is fully encrypted between your browser and the website**.  There is no reason to worry about that communication being intercepted or "sniffed" as it passes through.  **If the website is secure the information is fully encrypted between your browser and the website**.  There is no reason to worry about that communication being intercepted or "sniffed" as it passes through. 
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 ==== 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 from the world in order to foil geolocation 
 +  * 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 since those are already encrypted.
  
 ==== what about Three Letter Agencies ==== ==== what about Three Letter Agencies ====
communication/security.txt · Last modified: 2020/10/11 19:48 (external edit)

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