Simple security practices can reduce the risk created by cameras, smart devices, and other always-connected equipment.
Treat connected devices as computers
Cameras, televisions, thermostats, door controllers, speakers, printers, and appliances contain software and network services. They can have vulnerabilities, default credentials, and cloud dependencies just like traditional computers.
Change ownership and credentials
Register equipment under a business-controlled account, replace default passwords, use unique credentials, and enable multifactor authentication where available. Remove former installers or employees who no longer need access.
Separate devices from trusted systems
Place cameras and smart devices on dedicated network segments when practical. Firewall rules should limit which internal services they can reach and whether they need unrestricted outbound internet access. Management access should come only from authorized networks or secure remote methods.
Keep software supported
Review firmware and application updates, security notices, and vendor support status. Unsupported devices should be replaced or isolated because newly discovered issues may no longer receive fixes.
Limit unnecessary features
Disable unused remote access, discovery services, microphones, cloud integrations, and administrative interfaces. Fewer enabled services reduce the attack surface and simplify troubleshooting.
Monitor and plan replacement
Watch for unusual traffic, repeated disconnects, failed login attempts, and devices contacting unexpected destinations. Maintain an inventory with model, serial number, location, warranty, and replacement priority.
Frequently Asked Questions
Is changing the default password enough?
It is essential but not sufficient. Segmentation, updates, access control, and monitoring also matter.
Should cameras have direct internet access?
Only when required for intended features, and access should be as limited and controlled as practical.
What should happen to unsupported smart devices?
Replace them, isolate them, or reduce their access based on risk and business need.