Advanced Research in Cyber Systems

Our focus is to provide nationally recognized leadership in information security and networking science that predicts and solves critical problems in the cyber domain using novel practical solutions. Our work includes national security work, industrial partnerships, and the open research featured on this site.

Featured Work

Publications logo


A list of publications from current and former ARCS staff.

More Information
Cyber Fire logo

Cyber Fire

A-4 runs the DOE's Cybersecurity Investigation Training program: Cyber Fire.

More Information

Comprehensive, Multi-Source Cyber-Security Events

This data set represents 58 consecutive days of de-identified event data collected from five sources within Los Alamos…

Unified Host and Network Data Set

The Unified Host and Network Dataset is a subset of network and computer (host) events collected from the Los Alamos…

User-Computer Authentication Associations in Time

This anonymized data set encompasses 9 continuous months and represents 708,304,516 successful authentication events…