Built on Experience.
Driven by Standard.
Comprehensive Security Screening Measures — founded to establish the national and international certification standard that the security industry was missing.
Setting the Global Standard for Security Screening
CSSM's mission is to provide National and International standardized security screening training protocols based on certification standards that will be adopted and utilized to enhance venue safety practices around the world.
At Comprehensive Security Screening Measures (CSSM), we deliver specialized training programs that prepare today's security professionals to meet tomorrow's challenges. Our certifications focus on practical, real-world skills that improve safety, consistency, and professionalism in every screening environment.
Security Journal Americas
Systems Detect, Humans Decide: The Global Shift Reshaping Security Screening
American Hospital Association
Protecting the Care Environment: Layered, Outside-In Defense Against Workplace Violence
IAHSS Webinar
Systems Detect. Humans Decide. Training Determines Outcomes.
IAHSS Central Florida Chapter
1st Quarter Chapter Meeting — Keynote Presenter
CSSM-USA Training Team
Certified professionals setting the standard
Founder & Principal
Dan Mathis Jr., CPP
Founder & Security Screening Operations Expert
Comprehensive Security Screening Measures (CSSM) was founded in 2020 by Dan Mathis Jr., CPP, a nationally recognized authority in public safety and venue security. With more than 28 years of experience in law enforcement, security screening operations, and private-sector security operations, Dan is a trusted leader in advancing modern security practices.
Recognizing that the security industry would play a crucial role in the global recovery from COVID-19, Dan created CSSM to help venues and facilities transition to safe, contactless screening solutions. As a Certified Protection Professional (CPP) through ASIS International, Dan brings unmatched expertise and vision to the field.
As the founder of CSSM, Dan is dedicated to raising the global standard for security screening. His leadership ensures that officers perform their duties with confidence, professionalism, and integrity — earning the trust of the public and setting a new benchmark for safety worldwide.
The Minds Behind the Standard
World-class scholars, law enforcement leaders, and policy experts who guide CSSM's research, methodology, and certification framework.
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Roscoe Hightower, Jr., Ph.D.
(posthumously)
Centennial Eminent Scholar Chair & Professor of Marketing and Facility Management
A titan of facility management scholarship whose legacy continues to shape how security infrastructure is understood at the intersection of academia and operations.
Tamara D. Herold, Ph.D.
Associate Professor of Criminal Justice & Graduate Director, UNLV
One of the nation's foremost authorities on crowd management science and criminal justice policy, Dr. Herold brings academic rigor to the frontlines of venue security.
Michael Scott, J.D.
Clinical Professor, Arizona State University School of Criminology & Criminal Justice
A distinguished law enforcement scholar and former chief of police who has advised departments from New York City to Fort Pierce on building smarter, more accountable security operations.
Troy Pumphrey
Health Occupations Supervisor of Investigations, State of Maryland
A seasoned investigative executive with more than four decades of experience spanning law enforcement, regulatory compliance, and professional standards oversight, Troy brings unmatched investigative rigor and accountability expertise to CSSM's governance.
Built on the Right Relationships
CSSM's strategic partners extend our reach and deepen our expertise across specialized security domains.
Independent Security Consulting Firm
LNC Security Consultants is an independent security consulting firm delivering comprehensive assessments, program design, and compliance training across multiple industry sectors. Their hands-on expertise complements CSSM's certification standards in the field.
Owner, Secured & Prepared Consulting
A nationally recognized authority in healthcare safety and emergency management, Paul brings decades of director-level experience in large health systems to CSSM's healthcare security programs.
Owner & Principal Consultant, Strategic Security Management Consulting (SSMC)
William S. Marcisz is a nationally recognized security consultant, licensed attorney, and expert witness specializing in healthcare security, workplace violence prevention, and premises liability. His security programs have received national industry awards and have been distinguished by ASIS, Security Magazine, and IAHSS. Bill brings unmatched legal and operational expertise to CSSM's strategic partnerships.
Ready to Raise Your Safety Standard.
Find out where your organization stands with a free Security Screening IQ™ assessment. No obligation — just clarity.