What is a "What Is An Imsi Catcher"? The Most Authoritative Explanation.

What is an international mobile subscriber identity catcher (IMSI catcher)?

An international mobile subscriber identity-catcher, or IMSI-catcher, is a telephone eavesdropping device used for intercepting mobile phone traffic and tracking location data of mobile phone users.

What are active IMSI catchers?

‘Active’ IMSI Catchers, also termed Cell Site Simulators (CSS) or Fake Base Stations – these attempt to force local devices to connect to a Call Site Simulator, in order to decrypt the conversation and texts, and to execute man in the middle interception. These would be considered the more ‘traditional’ type of IMSI catchers most would be aware of.

Why do journalists need IMSI catchers?

Because IMSI catchers enable the tracking and monitoring of journalists locations; as well as the monitoring and intercepting of journalists communications (including phone calls and text messages), IMSI catchers can impair the confidentiality and protection of information given to journalists by their sources. In Goodwin v.

Why does the government collect IMSI/IMEI data through IMEI catchers?

The government collection of IMSI/IMEI data through IMSI catchers is likely for the purpose of identifying mobile phone users. And finally, it is reasonable to presume that most individuals, when using their mobile phone throughout their day, maintain an expectation of privacy with respect to their identity.