Security of Crowded Places
- DHS: Security of Targets and Crowded Places Resource Guide
- CISA: Mitigating Attacks on Houses of Worship Security Guide
- CISA: The Power of Hello Guide For Houses of Worship
- CISA: The De-Escalation Series
- After Action Reports from the Texas AstroWorld Tragedy
Arson
Mail and Package and Bag Checks
- USPS: Guidance on Suspicious Mail or Packages USPS
- USPS: Mail Center Security Quick Reference Guide USPS
- DHS: Best Practices for Managing Mail Screening and Handling Processes: A Guide for the Public and Private Sectors
- US Navy: Suspicious Packages Guidance from the US Navy
- California Resiliency Alliance: Resource Collection on Suspicious Packages and Mail
Vehicle Ramming
- DHS / CISA: Vehicle Ramming Security Awareness for Soft Targets and Crowded Places
- NCTC: Vehicle-Borne Attacks: Tactics and Mitigation (First Responders Toolbox)
- CISA: Vehicle Ramming Attack Mitigation Video
- FBI: Vehicle Rental Ramming Video
- UK: Countering Vehicle as a Weapon: Best Practice Guidance for Goods Vehicle Operators and Drivers
- UK: Hostile Vehicle Mitigation (HVM)
- Australia: Hostile Vehicle Guidelines for Crowded Places
- European Commission: Review on Vehicle Barrier Protection Guidances
Bombing Prevention
- DHS: What To Do: Bomb Threat
- DHS / CISA: Bomb Threat Guidance
- DHS / CISA: Counter-IED Training Video Series
- DHS / CISA: Bomb-Making Materials Awareness Program
