Smart Locks Are Watching Your Tenants

Eleanor — Kribel AI Concierge

Kribel helps property owners run rentals professionally without turning convenience tech into quiet surveillance of their tenants — kribel.com

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August 26, 2026

Smart locks, thermostats, and cameras hand landlords admin-level access to tenant data with no disclosure rules yet. Owners who collect the least data they need and document who sees it avoid the coming wave of privacy complaints.

When you hand a tenant a smart lock instead of a brass key, you may also be handing yourself something you never asked for: a detailed record of when they come and go, and the legal responsibility that comes with holding it.

That is the uncomfortable takeaway from a recent Cybernews report on the quiet spread of connected devices in rental homes. Smart locks, thermostats, and cameras are marketed as upgrades. But when the owner is also the admin, convenience tech can turn a landlord into something closer to a surveillance operator without anyone deciding that on purpose.

What the report found

According to Cybernews, apartments across the UK, US, and Europe are increasingly being fitted with connected devices, yet there is still no clear requirement for landlords to disclose every smart device installed in a property, or to say who controls it.

The reporting lays out how ordinary devices become data collectors:

• Smart locks leave a digital footprint of every arrival and departure. The Electronic Frontier Foundation, cited in the report, warned that smart lock systems can generate "near-perfect" logs of tenant movement and occupancy patterns.
• Smart thermostats can cut heating bills, but they also quietly build a picture of occupancy patterns and daily routines.
• Cameras and microphones can record far more than tenants realize, and the same dashboard often ties multiple cameras, locks, and apps to a single account.

The article is blunt about the darker edge of admin access. A landlord who controls the heating could adjust the thermostat to make a home uncomfortable, or turn lights on and off to unsettle a tenant. In abusive situations, the report notes, these systems can be used to monitor, intimidate, and control the people living inside. Some survivors have described feeling as though their smart home had betrayed them.

There is a bigger pattern underneath the individual gadgets. Cybernews points to what researchers call the "datafication" of renters, warning that behavioral data from rental properties, combined with AI-powered property management platforms, could enable profiling and categorization of tenants who have no idea what is being collected or how it might one day be used against them. In the US, tenant groups have already challenged landlords over mandatory smart lock systems.

Our take

We are firmly in favor of good technology in rental homes. Keyless entry saves everyone the flowerpot-key ritual, and a smart thermostat is a genuine gift on a cold morning. So this is not a warning against the devices. It is a warning against the default settings een will look — the assumption that because you can see everything, you should.

Here is the principle we keep coming back to: the owner who collects the least data they can operate on, and who documents exactly who sees it, is the one who avoids the coming wave of privacy complaints and regulation. Access logs from a smart lock are not a perk. They are a liability you are now storing. If you never needed to know what time your tenant got home on a Tuesday, you should not be quietly building a database that answers that question.

The report makes clear the rules are still catching up. That is precisely why this is a moment for owners to lead rather than wait to be told. Disclosure and restraint will almost certainly become table stakes. Getting there early is not just decent — it is the cheapest form of risk management available to you.

What this means for you as an owner

If you use, or are considering, connected devices in a property you rent out, a few practical moves protect both your tenant and you:

1. Disclose everything, in writing. List every connected device in the lease or a short addendum: what it is, what it records, and who holds admin access. The Cybernews report's own checklist for renters — what devices exist, who has admin rights, whether data is shared with third parties, whether physical keys exist, and whether devices can be disabled — is a perfect script for what you should be answering before a tenant even asks.
2. Collect the minimum. Prefer devices that give you what you actually need (a lock that works) without streaming a behavioral profile back to you. Turn off or avoid features you cannot justify.
3. Never point cameras or microphones inside a rented home. External security is one conversation; recording someone's private living space is another entirely, and the report shows how quickly that reads as surveillance.
4. Keep physical backups. Offer a real key or an offline entry method. It respects tenant autonomy and saves you when the app fails.
5. Write down who can see the data — and who cannot. If a property manager, a co-owner, or a vendor has access, name them and limit it. The point the report drives home is that data shared with third-party platforms is where visibility disappears.

None of this means running your rentals with less professionalism. It means running them with more — the kind that treats a tenant's privacy as part of the service, not an afterthought.

Where this is heading

The next few years will likely make "who controls the devices in this home" as routine a lease question as broadband speed or utility costs. Owners who can answer it plainly, and who can show they chose restraint, will stand out for all the right reasons. The best landlords have always understood that a home should feel like a home. Smart technology should deepen that trust, never quietly spend it.