"The purpose of S. 3309, the Department of Homeland Security Cyber Incident Response Teams Act of 2018, is to authorize the Department to maintain cyber hunt and incident response teams (teams), codify an existing program within the Department, and foster public-private cooperation. The legislation instructs the Department to ensure that the teams assist in protecting infrastructure from cyber threats and help restore the functionality of private or public infrastructure following a cyberattack. The teams must also identify cybersecurity risks, develop mitigation strategies, and provide guidance to infrastructure owners. The bill helps build public-private partnerships by authorizing the Department to include private cybersecurity specialists on the teams. To help inform the Congress about the extent to which the teams are effective in accomplishing their mission and whether the Department was effectively mitigating cybersecurity risk, the Department must maintain metrics and provide reports to the appropriate Congressional committees."