The 7 Biggest Security Mistakes That Could Cost Your Business Millions

When businesses think about security risks, they often picture dramatic break-ins or high-tech cyberattacks. But the reality is far more unsettling: security failures typically come from simple, preventable mistakes. After decades of securing commercial facilities, we’ve seen the same issues lead to costly losses time and time again.

Here are the 7 biggest security mistakes you can’t afford to ignore.

1. Relying on Outdated Systems

Old access control and camera systems don’t just lack features—they create vulnerabilities.

• Unsupported firmware
• No encryption
• Limited audit trails

Risk: Easy exploitation and zero visibility

2. Poor Installation Quality

Even the best system fails if installed incorrectly. We frequently see:

• Misaligned door hardware
• Cameras placed for coverage—not clarity
• Improper wiring leading to failures

Reality: 80% of system issues stem from installation, not equipment.

3. No Access Control Strategy

Many companies install systems without defining:

• Who should have access
• When they should have it
• How it should be monitored/controlled/managed

Result: Over-permissioned employees = major internal risk

4. Ignoring System Maintenance

Security systems are not “set it and forget it.” Without maintenance:

• Cameras go offline
• Credentials remain active after termination
• Software becomes vulnerable

5. No Integration Between Systems

If your cameras, access control, and alarms don’t talk to each other, you’re missing critical intelligence.

Example: A forced door event with no video verification.

6. Weak Credential Management

Still using keycards without tracking?

• Lost cards go unreported
• Shared credentials are common
• No real audit trail

7. Choosing Price Over Quality

Cheap systems often mean:

• Limited scalability
• Poor reliability
• Higher long-term costs

Security isn’t about buying equipment—it’s about building a system that works when it matters most. The cost of doing it wrong is always higher than doing it right. Protect your people, property and possessions!

Kenton Brothers Systems for Security is a WBE-certified commercial security integrator headquartered in Kansas City, Missouri. Our services include video surveillance, access control, locking hardware, intrusion detection, mass notification, remote services, and specialty products including robotics, video analytics, and metal detection systems. To learn more, give us a call.