The main purpose of the 9-8-8 Lifeline Cybersecurity Responsibility Act is to enhance the security of the National Suicide Prevention Lifeline against cybersecurity threats. This legislation aims to ensure that the hotline, which provides critical support to individuals in crisis, is protected from potential cyberattacks and vulnerabilities that could compromise its operation. Key provisions of the Act include specific requirements for the National Suicide Prevention Lifeline program to take necessary steps to safeguard against cybersecurity incidents.