Smart-home gadgets make daily life easier, but convenience often brings security and privacy risks. With devices from doorbells and thermostats to cameras and voice assistants connected to the internet, it’s smart to adopt a few straightforward practices that reduce exposure without sacrificing functionality.

Start at the router
The router is the front door to every connected device. Use a strong, unique passphrase for the Wi‑Fi network and change the default administrator credentials on the router itself.

Enable automatic firmware updates if available; if not, check periodically for updates from the manufacturer. Create a separate guest network or a VLAN for visitor devices and for gadgets that don’t need full access to your home network.

Limit device permissions and services
Many smart devices request broad access—location, microphone, cloud backups—that isn’t always necessary.

Review and disable permissions you don’t need. Turn off features like universal plug-and-play (UPnP) and remote access unless you actively require them. When possible, choose local-only modes or edge processing options so sensitive data doesn’t automatically route through a cloud service.

Use strong credentials and multi-step verification
Change default usernames and passwords on every device before connecting it. Use long passphrases rather than short, common passwords. Wherever supported, enable multi-step verification (also known as two-factor authentication) on accounts tied to your smart-home ecosystem so a stolen password alone won’t grant access.

Segment and monitor your network
Isolate Internet-of-Things (IoT) devices on a dedicated network segment. That prevents a compromised camera or smart plug from exposing computers or phones. Consider a smart-home firewall or router that offers device-level controls and basic intrusion detection. Many modern routers display connected-device lists—check them occasionally to spot unknown devices.

Keep firmware and apps current
Manufacturers regularly release firmware and app updates that patch vulnerabilities. Enable automatic updates when offered, and use reputable apps from official stores for device configuration. If a manufacturer stops supporting a device, consider replacing it rather than risking security gaps.

Choose vendors with privacy practices you trust
Not all brands handle data the same way.

Review privacy policies and look for clear statements about how data is used, stored, and shared. Opt for products from manufacturers that offer transparency, local data controls, and clear deletion policies for accounts and device data.

Minimize microphone and camera exposure
If a camera or voice assistant isn’t needed in a particular room, opt for a physical cover or power it down. Many devices include a hardware mute or shutter; use those controls when privacy is a priority. Check whether recordings are stored locally or in the cloud and how long they are retained.

Use secure remote access
If you need to access home devices remotely, prefer encrypted methods.

A virtual private network (VPN) to your home network or vendor-provided secure tunnels are better than exposing devices directly to the internet. Avoid port forwarding unless you understand the security implications.

Audit regularly and remove unused devices
Periodically review connected devices and accounts. Remove or factory-reset devices you no longer use and delete associated cloud accounts. Stale devices and orphaned accounts are common attack vectors.

Balancing convenience and control
Smart-home security is about striking a balance—keeping benefits like automation and remote access while reducing unnecessary exposure. Start with the router, adopt device-level best practices, and schedule routine audits. Small, consistent steps make it harder for attackers to exploit the conveniences that make a connected home so appealing.

Quick action checklist
– Change router and device default credentials
– Enable strong passphrases and multi-step verification
– Create a guest network or device VLAN
– Disable UPnP and unnecessary remote access
– Keep firmware and apps updated
– Review device permissions and privacy settings
– Cover or mute cameras and microphones when not needed
– Remove or replace unsupported devices

Implementing these measures can dramatically improve privacy and security without erasing the benefits of a modern smart home. Start with the router today and work through the checklist room by room.