Improving the Security of Soft Targets and Crowded Places: A Landscape Assessment

Attacks on soft targets and crowded places (ST-CPs) represent a significant challenge. The U.S. Department of Homeland Security requires research and development to assess methods for reducing the propensity and loss of life from these types of attacks. In response, researchers from the Homeland Sec...

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Bibliographic Details
Published in:Policy File 2024
Main Authors: Hollywood, John S, Gierlack, Keith, Moore, Pauline, Goode, Thomas, Willis, Henry H, Hill, Devon, Rahim, Ali, Brothers, Annie, Bauer, Ryan, Tran, Jonathan
Format: Report
Language:English
Subjects:
Access control
Crowds
National security
Public safety
R&D
Research & development
Violence
Online Access:Request full text
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Summary:Attacks on soft targets and crowded places (ST-CPs) represent a significant challenge. The U.S. Department of Homeland Security requires research and development to assess methods for reducing the propensity and loss of life from these types of attacks. In response, researchers from the Homeland Security Operational Analysis Center conducted a comprehensive landscape assessment of the threat to ST-CPs and corresponding security measures. This assessment integrated literature reviews, attack plot analyses, grant data reviews, and security cost modeling to identify both needs for improvement and recommended research and investment priorities for addressing those needs. The number of attack plots is broadly aligned with regional population counts. The most-common motivations for ST-CP attacks have been personal, followed by terrorist and extremist motivations. Education and private buildings (workplaces) are the most–frequently targeted types of ST-CPs. Attacks on ST-CPs that have large, accessible crowds, such as houses of worship, shopping malls, restaurants, bars, and nightclubs, had the highest average lethality. To defend ST-CPs, a layered approach has security measures work together to improve the chance that an attack will be stopped or mitigated. Prevention measures stop attacks before they reach execution; however, the public needs to know what warning signs to look for and how to report them, and threat assessment teams need to assess tips and follow up appropriately. Access control systems, such as locks, secured windows, and secured entryways, have been effective and efficient. Bystanders and security have both stopped attacks; groups of bystanders tackling shooters have been highly effective.