WHO WE ARE
Defender One Security is a distinguished provider of comprehensive security solutions throughout the Maryland region. We are family owned and operated, led by Jon Krieger, a Baltimore native and the Founder of Defender One who opened the business in 2009.
His primary goal was to bridge the gap between conventional security guards and law enforcement. Jon’s long and distinguished career spanned 30 years in law enforcement, holding supervisory positions in several units including patrol, internal affairs, traffic and community outreach. Today his son Jared and his wife Jennifer are running the daily operations.
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OUR SERVICES
ON-SITE SECURITY
We protect your members, your clients, your patients, your employees, your loved ones. In this unpredictable world, Defender One protects you from potential threats and unexpected incidences. Together, our people and technology provide the security and protection you need.
SPECIALIZED
SECURITY SERVICES
Specialized security services encompass a range of focused and tailored security solutions designed to meet specific needs and challenges. These services go beyond general security measures and address unique risks and requirements. The scope of specialized security services can vary depending on the context, industry, and client needs.
PRIVATE INVESTIGATIONS
We uncover hidden truths. Our private investigation and detective services can provide you with the information you are seeking. From background checks to locating missing persons, corporate investigations, insurance fraud inquiries, asset searches, domestic violence cases, domestic situations, and much more.
EXECUTIVE PROTECTION
Executive protection is a job that requires both tactical and social skills. Defender One understands crowd dynamics and knows how to mitigate any chance of threats. With extensive training in conflict resolution, our team is well-equipped to handle diverse situations and ensure the safety of our clients.
CLIENT CONSULTING
Drawing upon decades of expertise in security, our team of is well-equipped to evaluate your existing security framework, pinpoint potential vulnerabilities, and take proactive measures to minimize security risks.
WHAT IS THE COST OF PROTECTING YOUR ASSETS?
14 YEARS
6 SERVICES
9 TRAINING CLASSES
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TRAINING CLASSES
TRAINING CLASSES
MPTC TRAINING
Deadline - June 1, 2024-
16 hours for initial security guard training
MPTC TRAINING
Required by the State of Maryland-
8 hours for in-service renewal training
WEAR & CARRY
For those who wish to apply for a permit to carry a concealed firearm in Maryland.-
16 hours for a new permit
ALCOHOL AWARENESS & INTERDICTION
Custom designed for Small Business Owners-
Course focuses on educating your team about responsible alcohol consumption, recognizing signs of alcohol-related issues, and implementing measures to prevent incidents. The goal is to create a safe and healthy work environment while minimizing risks associated with alcohol use.
WORKPLACE HARASSEMENT & VIOLENCE
This program can be customized for small to large businesses.-
Pricing starting at $750 and increasing based on the size of the program.
- E-mail: contact@defendersecure.com
- Address: 400 Red Brook Blvd., Suite 200 Owings Mills, MD 21117
- Office Hours: Monday – Friday from 8:30 AM to 5:00 PM
CLIENT REVIEWS
It was a pleasure using Defender One for our security needs. They were very professional and punctual. I highly recommend Defender One for ALL your security needs.
Defender One is an incredible company to work with. Their security team is professional and pleasant to work with. I have seen members of their team deal with a variety of emergencies and all were handled efficiently and had great outcomes. I feel completely safe working with Defender One and I am so thankful they are here to protect us.
Provides excellent, expert services for our organization.
I have been employed by Defender One for a year! Without a doubt it’s the best career move of my life! I have read some of the reviews and realize that if you do your job, show up on time and work hard, your experience will be a great one! Hard work pays off with Defender One! Very professionally trained and well treated! Good luck in your search and consider DF1 in your future!
We love Defender One! They always do an excellent and professional job for our organization! Thank you once again for keeping our community and members safe.
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