CISA
Cybersecurity and Infrastructure Security Agency providing government threat advisories and alerts.
About
The Cybersecurity and Infrastructure Security Agency (CISA) operates as the United States' primary cybersecurity authority within the Department of Homeland Security. Established in 2018, CISA serves as the central hub for coordinating cybersecurity efforts across federal agencies and critical infrastructure sectors.
CISA's core mission centers on protecting the nation's critical infrastructure through comprehensive threat intelligence and vulnerability management. The agency publishes regular security advisories, vulnerability bulletins, and threat alerts that inform both government and private sector organizations about emerging cybersecurity risks.
The agency's signature publications include the Known Exploited Vulnerabilities Catalog, which tracks actively exploited security flaws requiring immediate attention. CISA also produces Industrial Control Systems advisories specifically targeting operational technology environments. These resources provide actionable intelligence that organizations use to prioritize patching and security investments.
CISA operates several specialized programs that enhance national cybersecurity resilience. The Cybersecurity Performance Goals initiative provides baseline security practices for critical infrastructure operators. The agency's incident response teams offer technical assistance during major cybersecurity events affecting government networks or critical services.
Federal agencies rely on CISA's binding operational directives and emergency directives for mandatory cybersecurity requirements. These directives establish specific timelines for vulnerability remediation and security control implementation across government networks. Private sector organizations frequently reference these same guidelines as cybersecurity best practices.
The agency collaborates extensively with international partners, industry associations, and state governments to share threat intelligence and coordinate response efforts. CISA's National Cybersecurity and Communications Integration Center serves as a 24/7 operational hub for monitoring cyber threats and coordinating incident response activities.
CISA's influence extends beyond traditional government boundaries through public-private partnerships and information sharing initiatives. The agency's threat intelligence feeds into commercial security platforms and vendor advisories. Organizations across multiple sectors integrate CISA's vulnerability data and threat indicators into their security operations and risk management programs.