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EINSTEIN 3 is the next evolution of protection for civilian Departments and agencies of the U.S. federal executive branch. The goal of EINSTEIN 3 is to identify and characterize malicious network traffic to enhance cybersecurity analysis, situational awareness and security response. It will have the ability to automatically detect and respond appropriately to cyber threats before harm is done, providing an intrusion prevention system supporting dynamic defense. EINSTEIN 3 will assist DHS US-CERT in defending, protecting and reducing vulnerabilities on federal executive branch networks and systems.
The EINSTEIN 3 system will also support enhanced information sharing by US-CERT with federal departments and agencies by giving DHS the ability to automate alerting of detected network intrusion attempts and, when deemed necessary by DHS, to send alerts that do not contain the content of communications to the NSA so that DHS efforts may be supported by NSA exercising its lawfully authorized missions. This initiative makes substantial and long-term investments to increase national intelligence capabilities to discover critical information about foreign cyber threats and use this insight to inform EINSTEIN 3 systems in real time.
DHS will be able to adapt threat signatures determined by NSA in the course of its foreign intelligence and DoD information assurance missions for use in the EINSTEIN 3 system in support of DHS’s federal system security mission. Information sharing on cyber intrusions will be conducted in accordance with the laws and oversight for activities related to homeland security, intelligence, and defense in order to protect the privacy and rights of U.S. citizens and U.S. Persons.
- Department of Homeland Security, Privacy Impact Assessment for the Initiative Three Exercise 3 (Mar. 18, 2010) (full-text).