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Specialized Services

Defender One Security works with medical institutions, private schools, daycare facilities, businesses, and residential communities to offer customized security solutions. Our security team is well-versed in the latest security methodologies, guaranteeing that our clients receive the most effective protection possible. In certain cases, specialized services may be essential to adequately mitigate risks. 

UNIFORMED & NON-UNIFORMED POLICE

Defender One can provide uniformed and non-uniformed guards. Additionally, we offer active law enforcement personnel in specific situations, as needed.

Law enforcement personnel are a distinct visual deterrent and can prevent security issues before they happen. These individuals are highly trained to respond to situations and protect your people.

Our security guards receive specialized training in various areas, including de-escalation, use of force, handcuffing, and TASER deployment, ensuring the safety and well-being of all.

VEHICLE PATROL

For businesses with large properties or parking areas, our vehicle patrols can monitor for potential security threats and address issues promptly. Defender One vehicles also provide a visual deterrent and can operate 24/7, to provide a swift response to potential security concerns.

All of our vehicle patrols are integrated with a guard tour system. This system allows us to monitor our patrols in real-time and provide you with detailed reports of the patrol activities. Our guards are also equipped with technology that can track their movements, ensuring that your property is consistently monitored.

TACTICAL UNITS

Every security situation is unique. We offer tactical units to address specialized needs, with each unit equipped to handle high-risk events and unforeseen emergencies. Every security professional who mans one of these units receives additional training in tactics and techniques to handle any situation.

Defender One ensures that each client receives a tailor-made security plan to meet the specific needs of your organization. This may include additional personnel, specialized equipment, or other measures necessary to ensure the safety and security of your institution.

When you need a customized security solution, contact Defender One Security. We’re never off guard.

Protect What Matters Most

Whether you need advanced surveillance, personal protection, or comprehensive security solutions tailored to your unique needs, our team of experts is here to help. Don’t leave your safety to chance. Reach out to Defender One today for a consultation and discover how our specialized security services can give you the peace of mind you deserve.

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Defender One Security is a distinguished provider of comprehensive security solutions throughout the Maryland region.
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Office Hours: Monday – Friday from 8:30 AM to 5:00 PM
Copyright © 2023 Defender One. All rights reserved.
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Defender One is a distinguished provider of comprehensive security solutions throughout the State of Maryland.

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Copyright © 2024 Defender One. All rights reserved. Site design by Silesky Marketing.

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Walter Leslie Jr.

Operations Manager

Walter is an observant and vigilant, safety-driven security professional with 14+ years of leadership experience across commercial, residential, and corporate security sectors. Walter offers extensive expertise in developing and executing comprehensive physical security procedures and protocols. Specializing in risk assessments, he has successfully implemented mitigation strategies for clients, reducing potential security threats.

Outside of work, he is family-oriented and enjoys traveling with his wife Jackie, and their dog Aries. He is an avid sports enthusiast and loves the Washington Commanders and Washington Nationals.

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Cynthia Cox

Human Resources Manager

With 21 years of management experience across various industries, including staffing, transportation, small business ownership, accounting, and operations, Cynthia brings a wealth of knowledge and a robust skill set to Defender One. Her diversified background has equipped her with a keen understanding of multiple business domains, making her an invaluable asset to the team.

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Matthew Goodman

Assistant Director of Operations
Matt currently serves as Defender One’s Assistant Director of Operations. Matt is responsible for the day-to-day operations of Defender One and works closely with the Director of Operations & Training to implement goals and objectives for the company. As a nationally certified School Resource Officer and Force Science Analyst, Matt brings an interpersonal and holistic approach to the industry. He holds a Bachelor’s Degree in Criminal Justice from York College. Outside of work, Matt is an avid outdoorsmen, spending time perfecting his landscaping skills. Matt also enjoys quality time with his wife Ashley, and two cats, Ollie and Leo, as well as watching the Baltimore Orioles and Ravens.
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Jennifer Krieger

Director of Human Resources
Jen currently serves as Defender One’s Director of Human Resources, managing our HR and back end finance teams. Jen has 30 years of experience in healthcare benefits administration, retirement benefits, financial planning and human resources. Jen holds a Bachelor’s Degree in Accounting from the University of Maryland, College Park and a Master’s Degree in Finance from Loyola University. Jen prioritizes an employee focused and driven company, with an emphasis on client and employee satisfaction. Outside of work, Jen enjoys running, watching her daughter play Division 1 Lacrosse, and playing with her grand-dogs.
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Jared Krieger

Director of Operations & Training
Jared currently serves as the Director of Operations & Training at Defender One. In this role, Jared is responsible for the overall operations and training of Defender One and its staff. Jared currently holds a Bachelor’s Degree in Homeland Security & Counterterrorism. Jared is board certified in Security Management and Board certified as a Physical Security Processional by the American Society of Industrial Security. Jared is also an accredited Law Enforcement instructor in the following disciplines: Firearms, OC Spray, Expandable Baton, Handcuff, Taser, Defensive Tactics, and Force Science Analytics. Outside of work, Jared enjoys traveling and spending time with his girlfriend and three dogs.
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Jon Krieger

Owner
Jon is the President and Founder of Defender One. Jon started Defender One in 2009, with the goal of bridging the gap between conventional security guards and law enforcement. Jon had a long and distinguished career in a large metropolitan police department for over 30 years, holding supervisory positions in several units, including patrol, internal affairs, traffic and community outreach. Jon has a Bachelor’s Degree in Criminal Justice from the University of Maryland, College Park. Outside of work, Jon spends his time spoiling his grand-dogs Fred and Barney, supporting the Ravens and Orioles, and watching his daughter play Division 1 Lacrosse.
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