Home Page | CISA Published: 2026-02-26 · Archived: 2026-04-05 17:39:49 UTC Spotlight slide 1 of 6 PUBLIC SERVICE ANNOUNCEMENT WARNS AGAINST PHISHING ATTEMPTS TARGETING COMMERCIAL MESSAGING APPS CISA and the FBI have released a Public Service Announcement warning against state cyber actors targeting commercial messaging apps. 16 News Updates https://www.cisa.gov/resources-tools/resources/how-protect-against-iranian-targeting-accounts-associated-national-political-organizations Page 1 of 5 Latest Operational Information JCDC unifies cyber defenders from organizations worldwide. This team proactively gathers, analyzes, and shares actionable cyber risk information to enable synchronized, holistic cybersecurity planning, cyber defense, and response. https://www.cisa.gov/resources-tools/resources/how-protect-against-iranian-targeting-accounts-associated-national-political-organizations Page 2 of 5 StopRansomware.gov is the U.S. Government's official one-stop location for resources to tackle ransomware more effectively. SAFECOM works to improve emergency communications interoperability across local, regional, tribal, state, territorial, international borders, and with federal government entities. Additional CISA Resources https://www.cisa.gov/resources-tools/resources/how-protect-against-iranian-targeting-accounts-associated-national-political-organizations Page 3 of 5 CISA Resources & Tools CISA offers an array of free resources and tools, such as technical assistance, exercises, cybersecurity assessments, free training, and more. CISA Events CISA hosts and participates in events throughout the year to engage stakeholders, seek research partners, and communicate with the public to help protect the homeland. https://www.cisa.gov/resources-tools/resources/how-protect-against-iranian-targeting-accounts-associated-national-political-organizations Page 4 of 5 CISA Services Catalog A single resource that provides you with access to information on services across CISA’s mission areas. CISA Training As part of our continuing mission to reduce cybersecurity and physical security risk, CISA provides a robust offering of cybersecurity and critical infrastructure training opportunities.  Source: https://www.cisa.gov/resources-tools/resources/how-protect-against-iranian-targeting-accounts-associated-national-political-organizati ons https://www.cisa.gov/resources-tools/resources/how-protect-against-iranian-targeting-accounts-associated-national-political-organizations Page 5 of 5