Intrusion Detection

Keep intruders out and your assets secure with commercial grade burglar alarm systems.

Call Today: (717) 541-0212

Don't Wait To Protect Your Business From Intruders

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Damage done by intruders and burglars can cost businesses precious time, capital and worse - the lives of your staff. An intrusion detection system from Knight Security not only detects these incidents it also discourages would be thieves who may be staking out your property.

Knight specializes in custom burglar alarm systems to meet the unique needs of your small business or large enterprise. We'll analyze your property on site, then build a custom system tailored just for your company. 

Upgrade To An Integrated System

Because we're skilled in all types of life and property protection systems, we can design integrated systems that combine your intrusion detection system with fire alarm systems, video security and access control systems in a single command and control center. Our integrated systems provide a greater degree of protection and alarm verification.

Cloud Video Surveillance

Video surveillance cameras, powered by closed circuit television (CCTV), are the best way to monitor entryways, deter criminals, and review criminal activity when it occurs.

Learn More About CCTV

Fire Alarm Systems

Our engineers, designers, project managers and certified installation technicians have a wealth of experience in delivering fire detection and alarm systems for all types of buildings, businesses and needs.

Learn More About Fire Protection

Access & Door Control

Only approved users (employees, trusted vendors, etc.) can scan their official credentials at a digital access device attached to the entryway – and you can rest assured that only authorized occupants are in the building. 

Learn More About Access Control

What Our Customers Are Saying

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"Extraordinary Experience"

“Our experience with Knight Security has been extraordinary since we made the switch. They always respond to any problem we have within the hour and fix it immediately, they always have the equipment to do the job right the first time.

We never have to worry about the security of our businesses anymore. Keith and his staff are very knowledgeable with what they are doing and keep us up to date on the newest technology to secure all of our businesses.”

Erick Carter
Dockside Willies, Dukes Bar & Grill, and Rock Bass Grill

"Admirable Standard"

“Knight Security sets an admirable standard for security systems companies.  In my ten years working with Knight, I have interacted with a knowledgeable and helpful office support team. The security monitoring department has been consistently competent and dedicated to my protection. The techs who come out to install or check my system are skilled and good communicators on their area of expertise. All of the above factors have provided for my on-going association and satisfaction with this locally owned and operated business.”

Chris
Harrisburg, PA

"Pleasant and Knowledgeable"

“Knight Security Systems, Inc., offers the most comprehensive and the most affordable security system to meet your home and
business needs. The master technicians and the pleasant and knowledgeable staff of Knight continue to give me excellent service and peace of mind. When I call during regular business hours, I speak to a person, not a machine. That is why I have satisfaction guaranteed!!!”

Linda
Harrisburg, PA

About Us

From intrusion to fire and video to access control, Knight Security Systems, Inc. offers the industry’s most advanced technologies and products, combined with technical support and customer service that’s second to none. 

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Contact

Headquarters
5879 Avis Lane
Harrisburg, PA 17112-1606

Office: (717) 541-0212
PA State License #040745