AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!


License: GPL-3.0

Language: Java

Keywords: android

Android IMSI-Catcher Detector

BuildStatus DevelopmentStatus CoverityScan Translations Bountysource

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". Find out more in our WIKI.



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What it does

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

See our app goals and development status!

Why 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; notably for 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.



Please read our Disclaimer! This app does not:

  • Provide secure phone calls
  • Provide secure data transmission
  • Provide app permission control
  • Provide secure application sand-boxing
  • Provide ROOT and remove bloatware
  • Provide secure SMS
  • Provide firewalls
  • Provide full device encryption
  • Prevent already installed rogue apps from full access and spying

Solutions for the above may be found in our Recommendations.

Bug Tracker

Please follow our Bug Submission Guide.


Although this project is fully Open Source, developing AIMSICD is a lot of work and done by enthusiastic people during their free time. If you're a developer yourself, we welcome you with open arms! To keep developers in a great mood and support development, please consider making a donation. It will be split into appropriate pieces and directly sent to developers who solved the backed Issue.



Credits & Greetings

Our project would not have been possible without these awesome people. THANK YOU!


Our gratitude flies out to our great Sponsors:

AquaFold Navicat Scanova

Get in touch with the core team!

Core team members are listed here.

Project Statistics

Sourcerank 9
Repository Size 10.4 MB
Stars 3,457
Forks 724
Watchers 486
Open issues 147
Dependencies 0
Contributors 59
Tags 49
Last updated
Last pushed

Top Contributors See all

Security: PWNED E:V:A Lars Grefer xLaMbChOpSx Paul Kinsella Toby Kurien agilob Dima Kozhevin Tor Henning Ueland Daniel Jäger Weblate push user Vlad Todosin MPR naofum Marek Sebera marvinmarnold Nordlenning tt3mm Ziem Stephen

Recent Tags See all

v0.1.43-alpha May 01, 2016
v0.1.42-alpha April 03, 2016
v0.1.41-alpha March 13, 2016
v0.1.40.1-alpha February 21, 2016
v0.1.40-alpha February 21, 2016
v0.1.39.1-alpha February 16, 2016
v0.1.39-alpha February 14, 2016
v0.1.38-alpha December 31, 2015
v0.1.37-alpha December 14, 2015
travisDeployTest December 12, 2015
v0.1.36-alpha-b00 November 15, 2015
v0.1.35-alpha-b00 September 20, 2015
v0.1.34-alpha-b00 August 09, 2015
v0.1.33-alpha-b00 August 02, 2015
v0.1.32-alpha-b00 July 12, 2015

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