Update README.md and extension version

Author: Seao

README.md

@@ -9,10 +9,25 @@ This project has been developed in University context as a proof of concept and
 
 ## Privacy provided
 
-Websites can request an access to your location through browser defined methods. Lockation provides privacy within a defined area by adding noise to your real position, making it less precise. The privacy level defined in options determines the amount of noise added to your real location. A noised position is privacy perserving, however location based services provided by websites would be less useful.
+Websites can request an access to your location through browser defined methods. Lockation provides privacy within a defined area by adding noise to your real position, making it less precise. The privacy level defined in options determines the amount of noise added to your real location. A noised position is privacy preserving, however location based services provided by websites would be less useful.
 
 **Note :** Lockation does not cover websites which detect your location based on your IP address, attributed by your Internet Service Provider (ISP).
 
+## Theoretical attacks
+
+|Attack|Description|Protection|Version|
+|-|-|:-:|:-:|
+|Brute force|Generate too many fake locations which would be centered around the real one. Could be blocked through the cache feature.|✓|0.0.2|
+|Knowledge background|External data can be used by malicious websites to guess the real location within the protection area.|✗||
+
+## Permissions
+
+- `geolocation` : Get the real position and add noise over it
+- `storage` : Store and retrieve extension settings
+- `https://*/*` : Access websites visited and overwrite functions requesting the location
+
+**Note :** Lockation runs locally in the browser and does not send informations to the network.
+
 ## Development
 > Instructions to install the extension manually
 

manifest.json

@@ -1,6 +1,6 @@
 {
   "name": "__MSG_extName__",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "manifest_version": 2,
   "description": "__MSG_extDescription__",
   "homepage_url": "https://github.com/Seao/lockation",