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Find a Lawyer Ā» Canada Legal Guides Ā» Ontario Legal Guides Ā» Family Law & Divorce Ontario Ā» Domestic Violence & Restraining Orders Ontario Ā» What to Do If Your Ex Uses Smart Home Devices (Nest, Alexa) to Harass You in Ontario

What to Do If Your Ex Uses Smart Home Devices (Nest, Alexa) to Harass You in Ontario

29 Jun 2026 5 min read No comments Domestic Violence & Restraining Orders Ontario
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In Ontario, an ex-partner using smart home devices (like Nest thermostats, Ring cameras, or Amazon Alexa) to spy on you, change your home’s temperature, or lock you out is committing a severe form of domestic violence known as coercive control. Access logs from these IoT devices can be used as powerful digital evidence in the Superior Court of Justice to obtain a restraining order.

Modern homes in cities like Toronto, Vaughan, and Ottawa are filled with convenient technology. 📱 We control our locks, lights, and security cameras with a swipe on our smartphones. However, when a relationship breaks down, these “Internet of Things” (IoT) devices can quickly be weaponized by an abusive ex-partner. Tech-facilitated abuse is a terrifying reality where an abuser uses their administrative access to monitor your conversations, track who visits your home, or subject you to sleep deprivation by blaring music through smart speakers at 3:00 AM.

Ontario family courts and the criminal justice system now actively recognize this behaviour as a form of coercive control and criminal harassment. Notably, on June 18, 2026, Canada’s federal Bill C-16 (the Protecting Victims Act) received Royal Assent, officially criminalizing coercive control as a standalone offence under the Criminal Code of Canada. Although this specific charge will only fully come into force in June 2028 (two years after Royal Assent) to allow time for system training, police in the interim continue to actively prosecute tech-facilitated abuse using existing charges such as Mischief to Data and Criminal Harassment. You do not have to endure being terrorized in your own home. By methodically securing your digital ecosystem and preserving the digital footprints left by your abuser, you can empower your law firm to file for emergency restraining orders, restrict their parenting time, or press criminal charges.

Step-by-Step Process to Secure Your Home in Ontario

When you realize your ex is using smart devices against you, your instinct might be to smash the cameras or rip the thermostat off the wall. 📝 Instead, follow a strategic process to preserve the evidence while locking them out permanently.

Step 1: Document and Download the Evidence

Before you change any passwords, you must secure the proof. Log into the apps for your smart devices (like Google Home, Amazon Alexa, or Ring). Look for the “Account Activity,” “Access History,” or “Device Logs.” Take screenshots showing the exact dates and times your ex-partner logged in to view cameras or change settings. This data is critical evidence for an Ontario family court judge.

Step 2: Factory Reset Your Wi-Fi Router

The root of all smart home vulnerability is your internet router. 🔒 If your ex-partner knows the Wi-Fi password, they can easily reconnect devices from the driveway or access your network remotely. Use a paperclip to hold the reset button on the back of your ISP modem/router for 15 seconds to restore factory settings. Immediately set a new, complex Wi-Fi password and change the router’s admin login credentials.

Step 3: Revoke Access and Enable 2FA

Go through every single smart home app on your phone. Remove your ex-partner as a “Shared User” or “Family Member.” Change the main password for the accounts and immediately enable Two-Factor Authentication (2FA) so that any new login attempt requires a code sent directly to your personal cell phone. If the accounts are under their email address, you must physically factory reset the smart devices (cameras, thermostats) and set them up under a brand new email address that you control.

Step 4: File for a Restraining Order

With your home secured and your digital evidence saved, contact an Ontario family law firm. ⚖️ Your lawyer will use the access logs to file an urgent application at the Superior Court of Justice. The digital stalking demonstrates a clear pattern of harassment, making it much easier to justify a restraining order that prevents them from contacting you or coming near the property.

How Much Does it Cost in Ontario?

Securing your physical and digital safety involves some technical and legal expenses, but protecting your peace of mind is invaluable. 💰

  • Tech Support Services: If you are not tech-savvy, hiring a local IT specialist to come to your home, sweep for hidden cameras, and secure your router usually costs $150 to $300 CAD.
  • Court Filing Fees: $0 CAD. There are no government fees to apply for a restraining order in an Ontario family court.
  • Law Firm Fees: Retaining a lawyer to present your digital evidence and argue for a restraining order typically costs between $2,500 and $6,000 CAD, depending on how aggressively your ex fights the motion in court.
Abusive ActionCriminal Equivalent in CanadaImpact on Family Law
Listening through a smart speakerInterception of Private CommunicationLoss of decision-making responsibility
Locking you out via smart locksMischief / Criminal HarassmentImmediate exclusive possession of the home
Changing thermostat to freeze youMischief to DataGrounds for an urgent restraining order

How Long Does the Process Take?

You can secure your digital network in a matter of hours on a Saturday afternoon. ⌛ Once the evidence is in the hands of your lawyer, an emergency, ex-parte (without notice) restraining order can be granted by an Ontario judge within 24 to 48 hours. If the harassment is purely digital and you are not in immediate physical danger, a standard motion will be scheduled within 2 to 4 weeks.

Frequently Asked Questions (FAQ)

Is hacking into my smart thermostat actually a crime?

Yes. Under the Criminal Code of Canada, gaining unauthorized access to a computer system or altering data to cause distress can currently be charged as Mischief to Data or Unauthorized Use of a Computer. Furthermore, with the passage of Bill C-16 on June 18, 2026, such patterns of tech abuse will also fall under the new standalone offence of coercive control once it fully comes into force in June 2028.

Can I legally change the smart locks if my ex still owns half the house?

Generally, if both of your names are on the title of the matrimonial home in Ontario, you cannot permanently lock them out without a court order. You must urgently apply for an “Order for Exclusive Possession of the Matrimonial Home” under the Family Law Act. Once granted, you have the absolute legal right to change the physical and digital locks.

How does tech abuse impact child custody?

In Ontario, the terms “custody” and “access” have been replaced by decision-making responsibility and parenting time. If a judge sees evidence that one parent is using technology to terrorize the other, it proves an inability to co-parent peacefully. The abusive parent will likely lose joint decision-making rights, as coercive control severely harms the best interests of the child.

What if they put an Apple AirTag in my car?

Using GPS trackers or Apple AirTags to monitor your location without your consent is criminal stalking (criminal harassment). If you find a tracker on your vehicle or receive an alert on your iPhone that an unknown AirTag is moving with you, drive straight to your local police station in Ontario so they can safely disable it and log the serial number as criminal evidence.

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