ComSec Team


Technical Surveillance Countermeasures Expert

J.D. LeaSure, CCISM, Founder, President/CEO

J.D. LeaSure, CCISM is ComSec, LLC’s founder and has served as the company’s President/CEO since 2007. J.D. founded the Virginia based service provider to ensure an experienced and knowledgeable Counterespionage, Countersurveillance, Cyber TSCM and Technical Surveillance Countermeasures TSCM service provider was accessible in the greater Virginia/DC Metro area. Due to high demand for his expertise, ComSec has since expanded its area of service nationwide throughout the United States and to clients throughout the world. ComSec has enjoyed steady growth and noted a staggering increase in public interest in the counterespionage and counter surveillance segment of the business since 2007.

J.D.LeaSure (Bio) was active within the counterespionage, counterterrorism and counterintelligence fields for 26 years prior to founding ComSec LLC. During his extensive and distinguished career, J.D. has conducted counterespionage investigations and Technical Surveillance Counter Measures (TSCM) in the United States, and throughout the world. He attained the prestigious Certified Counterespionage Information Security Management Certification (CCISM), awarded by the Institute For Countermeasure Studies (Technical Services Agency) which was developed by the late Glenn H. Whidden, 28 year veteran of The Central Intelligence Agency, Founder and President of The Espionage Research Institute (ERI)

He is now the Director of The Espionage Research Institute International (ERII), and a full member of the Technical Surveillance Counter Measures Institute (TSCMi). He is also an active contributor to the world of counterintelligence and technical surveillance countermeasures. ComSec is affiliated with many other industry organizations in order to continually remain at the leading edge of the industry. Please view our Industry Affiliation Page to learn more.



Lisa LeaSure, Director of Operations

Lisa LeaSure is an entrepreneur who brings more than twenty-five (25) years of small business development, operations and infrastructure development experience to ComSec LLC. She has professionally consulted to startup businesses concerning operations, business planning, intellectual property protection, patent prosecution, grant writing, regulatory, quality, supplier management, marketing and web site development. Her experience within the industrial, medical, pharmaceutical, defense, sporting good and retail industries enhances her understanding of the unique concerns of ComSec LLC’s clients within these industries. These skills, in addition to Lisa’s skills in forming valuable strategic alliances, will strengthen ComSec’s ability to expand its service offerings and better serve its clients.



JGJohn Gimenez, ComSec Teammate – Cyber TSCM Specialist

John conducts TSCM investigations utilizing a wide array of equipment, techniques and measures to detect and nullify a wide variety of technologies that are used to obtain unauthorized access to sensitive information, restricted data, and/or unclassified information requiring protection.

Conducts on-site assistance visits for physical security inspections, vulnerability assessments and Technical Surveillance Countermeasures surveys at various locations throughout the USA.

Phone: +1-800-615-0392


Jeff Polley, ComSec Teammate – Cyber TSCM Tech

Jeff assists the Cyber TSCM team in providing facility and security managers with a comprehensive evaluation of their facility’s physical and technical security posture through the creation of a precise report of findings on physical and technical vulnerabilities identified during surveys.

Conducts system administration, network, server & telecommunications application delivery surveys. Proficiency in Network Traffic Analysis for TSCMs, Advanced Digital Telephony.

Phone: +1-800-615-0392


mikegoodeMichael Goode, ComSec Teammate – TSCM Tech

Mike assists the TSCM team by utilizing technical counter surveillance strategies to detect, identify and neutralize technical intelligence collection efforts against corporations, government agencies, contractors and/or private individuals.  He is active in his community, recently served on the board of directors for the Norfolk InfraGard chapter and actively volunteers for several charities including Wounded Wear, United Way and Junior Achievement.

Conducts inspections, writes reports and assists with making recommendations for the design of physical security and personnel security controls.

Phone: +1-800-615-0392


Contact ComSec for immediate assistance using our secure contact form.

Call ComSec at 1-800-615-0392 for immediate assistance.


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