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A Family Handyman report warns that smart devices left in a home may remain connected to a previous owner’s account or shared users. Security specialists recommend assuming inherited devices could still be accessible until they are reset, transferred, or replaced, and advise checking locks, accounts and the router.
A Family Handyman report says smart cameras, locks, thermostats and other devices left in a home may still be linked to a previous owner’s account, potentially leaving that person or people they invited with remote access. The report recommends that new homeowners treat inherited devices as potentially accessible until they confirm account ownership, reset them or complete a manufacturer-approved transfer.
There is no reliable visual sign that a smart device remains connected to someone else’s account, according to Kurtis Baron, an offensive security specialist at Echo Secure, as quoted by Family Handyman. Baron advises assuming the former owner may still have access. Nathan Connell, founder and editor of Future Technology, recommends trying to register each device through its manufacturer’s app: a notice that it is already registered may indicate an existing account link. He also recommends checking lists of shared users for unfamiliar accounts.
Devices to review include cameras, alarms, smart locks, thermostats and connected appliances. The report says homeowners should follow each manufacturer’s instructions to remove the previous account, perform a factory reset and register the device under their own account. Some products require the old owner to remove them before transfer; Ring has an ownership-transfer process, and Google provides guidance for moving Nest devices.
Access can also persist through keypad PINs, alarm codes and guest permissions, Connell says. New residents should delete codes they did not create, set new ones and revoke existing guest access. The report also advises setting a new Wi-Fi password, checking the router’s list of connected devices and considering a new router rather than reusing the previous owner’s equipment.
Who May Still Control Your Devices
Unresolved account access can affect both privacy and physical security. According to Connell, a former owner or someone they shared access with may be able to view camera feeds, unlock doors or open a garage remotely. The report does not say that such access has occurred in a particular home; it describes a risk that can remain when devices are not properly transferred or reset.
Connected equipment may also be easy to overlook. The Federal Trade Commission says items such as light bulbs and security systems can be difficult to identify as smart devices. A deliberate inventory and account review can help a new homeowner find devices that are not obvious, rather than relying on visible cameras or a smart speaker as a complete list.
There can be a separate security concern when a device is too old to receive updates or cannot be fully reset. Baron recommends replacing equipment in those circumstances. Until a new owner has control of an inherited lock or camera, the report advises not relying on it for protection.
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Resetting Devices After a Sale
The report places smart-device access alongside ordinary move-in security steps, such as changing the physical locks. A property sale does not necessarily erase accounts or revoke remote permissions attached to installed equipment. Those settings may need to be handled device by device, using the manufacturer’s reset or transfer process.
The FTC’s guidance on buying or selling a smart home calls for attention to connected equipment and its setup information. Family Handyman also cites Google’s Nest moving guide, which notes that some devices need the previous owner to remove them from their account before the new owner can take control. A factory reset is not presented as a universal process: homeowners should consult the specific product instructions and contact the manufacturer if ownership remains blocked.
Before closing, Connell recommends asking sellers for an inventory of included devices, manuals, hub details and transfer instructions. The report says sellers should remove their accounts and revoke access for people they had authorized. Baron suggests putting a requirement to remove smart-device access into the closing paperwork.
“It is much safer to just assume the old owner can still access them.”
— Kurtis Baron, offensive security specialist at Echo Secure, as quoted by Family Handyman
Access Depends on Each Device
The report does not establish whether a previous owner has access to any particular home or device. Account status varies by product, and the source material does not provide a single check that works across manufacturers. An app registration attempt, shared-user review or reset can help, but the steps and transfer requirements depend on the device.
It is also not clear from the report how often former owners retain access, or how long a given manufacturer takes to resolve an ownership dispute. Some products may be transferred with help from the seller or company; others may be outdated or unable to be fully reset. Homeowners should not assume that every device can be secured in the same way.
Steps for New Homeowners
Start by listing connected equipment, including devices that may not look like computers or security products. For each item, check the manufacturer’s app and shared-user settings, then follow its instructions to remove the old account, reset or transfer the device, and register it under a new account. Change codes and passwords, revoke guest access, and review the router’s connected-device list.
If a device still appears tied to another account, contact the seller or the manufacturer for its ownership-transfer process. Replace equipment that cannot be fully reset or no longer receives security updates, as Baron recommends. Sellers preparing to hand over a home can provide device lists and manuals and confirm that their accounts and previously authorized users have been removed.
Key Questions
How can I tell whether a previous owner still has access?
There is no dependable visual check. Try registering the device in its manufacturer’s app and review its shared-user list. If ownership is unclear, contact the manufacturer or seller and complete the product’s transfer or reset process.
Which devices should I check after moving in?
Review cameras, alarms, locks, thermostats and connected appliances, as well as less obvious items such as smart light bulbs. Make an inventory rather than checking only devices that are easy to see.
Is a factory reset enough to remove the former owner?
Not always. Reset and transfer requirements vary by manufacturer, and some products may need the previous owner to remove them from an account first. Follow the device’s instructions and contact the manufacturer if it remains registered to someone else.
Should I replace inherited smart devices?
Not necessarily. The report says replacement may be appropriate if a device cannot be fully reset or no longer receives security updates. A device that can be securely transferred or reset may not need to be replaced.
What should sellers provide before closing?
Connell recommends a list of included connected devices, manuals, hub details and transfer instructions. Sellers should remove their accounts and revoke access for people they authorized; Baron suggests addressing this in the closing paperwork.
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