FBI Investigating ‘Suspicious’ Cyber Activity on System Holding Sensitive Surveillance Information
Summary
The FBI is investigating suspicious cyber activity affecting a system that stores sensitive surveillance information. The bureau is assessing the scope and impact of this issue, as communicated to members of Congress.
Key Insights
What is the Digital Collection System Network (DCSNet) targeted in this incident?
The Digital Collection System Network (DCSNet) is the FBI's centralized platform for managing court-approved electronic surveillance, including wiretaps, pen registers, trap and trace devices, and foreign intelligence surveillance warrants used in criminal, counterterrorism, and national security investigations.
What is a pen register, and what type of information does it collect?
A pen register is a surveillance tool that logs metadata such as phone numbers dialed from a particular line, IP addresses, signaling information, and other non-content details in real time, without capturing the actual conversation content.