pen register

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pen register

n.
A monitoring device that records addressing or routing information, such as phone numbers or network addresses, about outgoing electronic communications from a particular source, but does not record the message contents.

[Probably originally a term from electric telegraphy making reference to the pens or styluses that recorded messages on paper tape in the register, or recording device, of the telegraph.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
As the report states: "[T]he investigation did not establish that members of the Trump campaign conspired or coordinated with the Russian government in its election interference activities."' Additionally, Barr added, "The Special Counsel's report states that "while this report does not conclude that the President committed a crime, it also does not exonerate him."' Barr stated that Mueller had " issued more than 2,800 subpoenas, executed nearly 500 search warrants, obtained more than 230 orders for communication records, issued almost 50 orders authorizing use of pen registers, made 13 requests to foreign governments for evidence, and interviewed approximately 500 witnesses."
The Special Counsel issued more than 2,800 subpoenas, executed nearly 500 search warrants, obtained more than 230 orders for communication records, issued almost 50 orders authorising use of pen registers, made 13 requests to foreign governments for evidence, and interviewed approximately 500 witnesses."
(11) The DOJ emphasized in its policy that data obtained through cell-site simulators are similar to those from pen registers, (12) in that they only provide records such as phone numbers and call logs, and do not disclose emails, texts, the user's name, or the address.
CSLI is sometimes sought by law enforcement under joint authority of the Pen Registers (73) and Trap and Trace Devices (74) Statute, 18 U.S.C.
Here's what the group says must be included in reform: There must be a clear, strong, and effective end to bulk collection practices under the USA Patriot Act, including under the Section 215 records authority and the Section 2 214 authority regarding pen registers and trap and trace devices.
(63) As Justice Sotomayor noted in her concurring opinion in Jones, the third-party doctrine "is ill suited to the digital age, in which people reveal a great deal of information about themselves to third parties in the course of carrying out mundane tasks." (64) The NSA's program of "pen registers for everyone" has shown how the conventional reading of Katz's "reasonable expectation of privacy" test is patently unsuited for the age of mass storage of data accessed in secret and analyzed by super computers.
(50) Another part of the statute adds protections against the use of pen registers, which are tools used to monitor the numbers dialed from a person's telephone.