DCSNet

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Official logo of DCS3000 system.

DCSNet, an abbreviation for Digital Collection System Network, is the Federal Bureau of Investigation (FBI)'s point-and-click surveillance system that can perform instant wiretaps on almost any telecommunications device in the US.[1]

It allows access to cellphone, landline, SMS communications anywhere in the US from a point-and-click interface. It runs on a fiber-optic backbone separate from the internet.[2] It is intended to increase agent productivity through workflow modeling allowing for the routing of intercepts for translation or analysis with only a few clicks.

It is composed of at least three classified software components that run on the Windows operating system -- DCS3000, DCS5000, DCS6000. The DCS3000 collects information associated with dialed and incoming numbers like traditional trap-and-trace and pen registers. The DCS5000 is a system used by the FBI unit responsible for counter-intelligence to target suspected spies, alleged terrorists, and others with wiretaps. The DCS6000 captures the content of phone calls and text messages for analysis.

DCSNet real-time intelligence data intercept has the capability to record, review and playback intercepted material in real-time.[3]

Much of the information available on this system has come from the results of Freedom of Information Act (FOIA) requests made by the Electronic Frontier Foundation (EFF).[4]

DCSNet is related to the Red Hook system that the FBI also uses rather than requesting the information from companies via the Communications Assistance for Law Enforcement Act (CALEA).

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