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DGA Security Blog

Our business security and fire systems experts answer the most frequently asked questions, no holds barred. Read on.

John Kolb, CET, CPP

John Kolb is Director of Technical Sales at DGA Security, where he provides advanced technical support to DGA customers and evaluates emerging security technologies. A 43-year industry veteran, John holds a Certified Engineering Technologist (CET) status from NICET and a Certified Protection Professional (CPP) status from ASIS International, the gold standard certification for security management professionals.

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Video Surveillance

By: John Kolb, CET, CPP
February 7th, 2023

When planning your business security system, it’s important to know the differences and application of outdoor vs indoor security cameras to deter crime. Despite their similar appearance, these security cameras have significant functionality differences.

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Video Surveillance

By: John Kolb, CET, CPP
March 2nd, 2022

If you’re shopping for business security cameras, you might wonder why anyone would bother paying for a professionally installed commercial security camera system at all when you could just do-it-yourself (DIY).

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Video Surveillance

By: John Kolb, CET, CPP
February 8th, 2022

Searching for a business video surveillance system can sometimes feel like wading through a swamp of confusing terms often misused and mistaken for one another. Learning about the most common video surveillance mistakes and misconceptions will make you better informed on what your business needs are, even before speaking to a security professional.  

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Intrusion Alarms

By: John Kolb, CET, CPP
April 29th, 2021

Modern electronic glass break sensors are smart devices that are highly effective at detecting a breaking glass window. But the truth is glass break sensors can be tricky in a business security alarm system. High-pitched noises from outside can cause false alarms. Furthermore, some glass window types don’t shatter in a way that can be picked up reliably by these sensors.

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Access Control

By: John Kolb, CET, CPP
August 4th, 2020

As businesses everywhere are working their way through the Covid-19 pandemic, we’ve been getting calls from our clients to help them open their doors safely – and we mean that literally. We have been installing automatic door openers to create hands-free door entry systems for office suites, office bathrooms and more.

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Access Control | Video Surveillance

By: John Kolb, CET, CPP
February 5th, 2020

As recently as a couple of years ago, commercial video surveillance and access control systems were closed systems that couldn’t share data with each other. Despite the many benefits of integrating video and access control, the cost and technical complexity made it impractical to integrate these disparate systems. But thanks to advances in technology, integrating video surveillance and access control systems is now possible.

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Access Control

By: John Kolb, CET, CPP
January 7th, 2020

A well-designed access control system can do much more for your business than simply manage who can enter what doors during which specified times. First Person In and DoorStat are access control features that are often overlooked but can be very useful in streamlining your business operations, while mitigating physical security risks.

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Access Control

By: John Kolb, CET, CPP
December 17th, 2019

For businesses that handle high-value assets, whether physical or intellectual property, there are areas that require extra security measures. Local Door Sounder, Door Held Open Alerts and Escort (also known as "Two-Person Rule") are effective ways to layer additional security elements to your physical access control system. While financial services firms, banks, jewelry businesses, cannabis growers and operators most frequently request these advanced features, they offer useful applications in many different types of businesses and buildings.

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Access Control | Fire Systems

By: John Kolb, CET, CPP
November 19th, 2019

When you're in the process of designing a physical access control system for your company, you're probably not thinking about your building's fire alarm system. But you should. Overlooking the fire alarm system could cause an unexpected, and costly, delay to your access control system installation. This article explains why it's often required to link your access control and fire alarm systems using a fire relay, and provides tips to minimize potential delay and cost.

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Access Control

By: John Kolb, CET, CPP
November 5th, 2019

If you're evaluating access control systems for your business, having the right type of door locking methods is crucial.