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Gathering insights about Defender One Security

Defender One Security Tech Stack

Media & News

Defender One Security's Email Address Formats

Defender One Security uses at least 1 format(s):
Defender One Security Email FormatsExamplePercentage
First@defenderonesecurity.comJohn@defenderonesecurity.com
50%
First@defenderonesecurity.comJohn@defenderonesecurity.com
50%

Frequently Asked Questions

Where is Defender One Security's headquarters located?

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Defender One Security's main headquarters is located at 300 Red Brook Blvd, Suite 300 Owings Mills, Maryland 21117, US. The company has employees across 3 continents, including North AmericaAsiaEurope.

What is Defender One Security's phone number?

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You can contact Defender One Security's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Defender One Security's official website and social media links?

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Defender One Security's official website is defenderonesecurity.com and has social profiles on LinkedIn.

What is Defender One Security's SIC code NAICS code?

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Defender One Security's SIC code is 7381 - Detective, Guard, and Armored Car Services NAICS code is 5616 - Investigation and Security Services.

How many employees does Defender One Security have currently?

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As of October 2025, Defender One Security has approximately 40 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Chief Administrative Officer: J. K.President: J. K.Vice President: R. M.. Explore Defender One Security's employee directory with LeadIQ.

What industry does Defender One Security belong to?

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Defender One Security operates in the Security and Investigations industry.

What is Defender One Security's email format?

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Defender One Security's email format typically follows the pattern of First@defenderonesecurity.com. Find more Defender One Security email formats with LeadIQ.

When was Defender One Security founded?

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Defender One Security was founded in 2000.

Defender One Security

Security and InvestigationsUnited States11-50 Employees

Defender One Security, LLC is licensed, bonded and insured with a network of trained Police Officers and 
Security Specialists that provide professional, reliable, affordable private and special events security

Communicating and contracting with us is easy and straightforward. As our client, we understand each job is 
unique. We offer you a single point of contact that will ensure that your security requirements are effectively 
implemented - down to the last detail. 

You can use Defender One Security with the peace of mind that we will handle all potential situations 
quickly and professionally. 

The Defender One Security Philosophy: 

* CLIENT FOCUS – We assign a dedicated security coordinator who will be your single point of contact to arrange for all your 
security needs.
* OUR PEOPLE- We deliver high quality service while providing officers of appropriate demeanor and appearance for access 
and crowd control. Our officers are licensed, background checked and experienced in private and special events security. 
* SUPERIOR SERVICE – We secure and protect your property from theft and vandalism, ensure the safety of your guests, 
staff or volunteers, and prevent unauthorized access to your site.

Section iconCompany Overview

Headquarters
300 Red Brook Blvd, Suite 300 Owings Mills, Maryland 21117, US
Phone number
SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
5616 - Investigation and Security Services
Founded
2000
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    Defender One Security's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Defender One Security's revenue is estimated to be in the range of $1M$10M

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