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AIMSICD – Android IMSI-Catcher Detector

AIMSICD is an app to detect IMSI-Catchers. IMSI-Catchers are false mobile towers (base stations) acting between the target mobile phone(s) and the real towers of service providers. As such they are considered a Man-In-The-Middle (MITM) attack. In the USA the IMSI-Catcher technology is known under the name “StingRay“.

What it does

AIMSICD attempts to detect IMSI-Catchers through various methods such as these:

Feel free to join the discussion and help. See development status.

 

Why to use it

The FBI or local police regularly deploys IMSI-Catchers hidden in vehicles at protests to obtain a record of everyone who attended with a cell phone (leave your phones at home by all means if you really have to attend). IMSI-Catchers also allow adversaries to intercept your conversations, text messages, and data. Police can use them to determine your location, or to find out who is in a given geographic area at what time. Identity thieves can use freely available tools to monitor and manipulate communications from a parked car in your residential neighborhood, stealing passwords or credit card data from people nearby who make purchases on their phones.

The reason IMSI-Catchers are so commonly used is that it is very easy to get away with using them traceless. This app aims to make it possible to detect the IMSI-Catchers, so that using them becomes a risky proposition. It also aims to make users safer, by alerting on possible interception and tracking.

 

Android IMSI-Catcher Detector: AIMSICD

 

Warnings

This app does not:

  • Provide full device encryption
  • Provide secure data transmission (see Tor)
  • Provide secure phone calls (see RedPhone)
  • Provide secure SMS (see SMSSecure)
  • Provide secure application sand-boxing
  • Provide app permission control (XPrivacy)
  • Provide firewalls (see AFWall+)
  • Provide ROOT and remove bloatware
  • Prevent already installed rogue applications from full access and spying

The efficiency of this app has not yet been verified against real IMSI-Catchers.

 

Android IMSI-Catcher Detector: AIMSICD Download

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