Smart Security
Common Security Vulnerabilities in Commercial Buildings
Most security breaches do not involve sophisticated attacks. They exploit basic vulnerabilities that have been overlooked. This article identifies the most common security gaps we find in Jamaican commercial buildings and how to fix them.
1. Unsecured secondary entrances
The front door is usually well-secured. The back door, the delivery entrance, the door to the parking garage, and the door propped open for ventilation are usually not.
The fix: Every exterior door must have access control, door position sensors, and camera coverage. No exceptions.
2. Tailgating
An authorized person enters, and an unauthorized person follows them through the door before it closes. This is the most common access control breach and it happens in every building.
The fix: - Security awareness training (people are the weakest link) - Anti-tailgating technology (mantraps, optical turnstiles for high-security areas) - Camera coverage with analytics to detect tailgating - Culture of challenge — employees should feel comfortable asking to see credentials
3. Camera blind spots
Cameras are placed to cover main entrances and corridors, but stairwells, loading docks, and back corridors are often uncovered. These are exactly where incidents occur.
The fix: Conduct a camera coverage audit. Map every camera's field of view and identify gaps. Fill gaps with additional cameras or reposition existing ones.
4. Unmonitored cameras
Cameras record, but nobody watches. Footage is reviewed only after an incident is reported — by which time the evidence may be gone (overwritten) or too late to prevent loss.
The fix: Implement event-based monitoring. Use video analytics to flag significant events (motion after hours, line crossing, loitering) and route them to a monitoring service or responsible person.
5. Default credentials
Network devices (cameras, NVRs, access control panels) shipped with default usernames and passwords that are never changed. Attackers can find these credentials online in seconds.
The fix: Change all default credentials during installation. Use strong, unique passwords. Document and manage credentials securely.
6. No surge protection
Jamaica's lightning environment destroys unprotected security equipment. After every storm season, we replace cameras, NVRs, and access control panels that were not protected.
The fix: Coordinated surge protection on all security system power and data circuits. This is a fraction of the cost of replacing equipment.
7. Outdated firmware
Camera and NVR firmware is never updated, leaving known vulnerabilities unpatched.
The fix: Annual firmware review and update for all security devices. This should be part of a maintenance contract.
8. No incident response plan
When an incident occurs, nobody knows what to do. Valuable time is lost deciding who to call and what to do.
The fix: A written incident response plan that covers: - Who is notified - Who responds - What evidence is preserved - How the scene is secured - When police are called
9. Propped doors
Doors propped open for ventilation, deliveries, or convenience defeat all access control. Everyone does it, and it is a serious vulnerability.
The fix: Door position sensors with alerts. If a door is open for more than 30 seconds, an alert is sent. Combine with culture change — propping doors should be unacceptable.
10. No regular security review
Security systems are installed and then never reviewed. Coverage gaps develop as the building changes. Equipment fails and is not noticed.
The fix: Annual security review — test all cameras, access control, alarms, and sensors. Identify gaps and failures. Remediate before they are exploited.
Next steps
If you want a security vulnerability assessment of your commercial building, request one. We identify your gaps and prioritize fixes by risk.