The Emergency Management and Response Information Sharing and Analysis Center's (EMR-ISAC) InfoGram is a weekly publication of information concerning the protection of critical infrastructures relevant to members of the Emergency Services Sector. This issue includes the following articles: "Actionable research findings on emergency vehicle lighting and visibility at roadway incidents"; "FEMA updates Emergency Operations Center Skillsets, requests input by March 28"; "CISA [Cybersecurity and Infrastructure Security Agency] webinar for emergency services on Targeted Violence and Terrorism Prevention grants, March 19"; "2024 Executive Fire Officer and Leadership Symposium and pre-event Gettysburg Staff Ride"; "CISA and partners release advisory on threat actors exploiting Ivanti Connect Secure and Policy Secure Gateways vulnerabilities"; "NSA [National Security Agency] releases maturity guidance for the Zero Trust Network and Environment Pillar"; "Iranian national charged for multi-year hacking campaign targeting U.S. defense contractors and private sector companies"; "Update to National Cybersecurity Strategy Implementation Plan coming before the end of summer"; "$100 million a day? Cash flow disruptions roil healthcare industry after cyberattack"; and "American Ambulance Association: Summary of Change Healthcare cyberattack and HHS [U.S. Department of Health and Human Services] statement."