IoT Security: How to Protect Connected Devices in Canadian Organizations

Count the connected devices on your network right now. Not the laptops and phones you already track, but the security cameras, smart thermostats, badge readers, printers, and sensors nobody signed off on. The Canadian Centre for Cyber Security expects more than 30 billion IoT connections worldwide by 2025. Every one of them is a door into your network, and most ship with weak defaults nobody changed.

IoT security means protecting the web-enabled devices on your network and the data they collect. The Internet of Things covers any object with a network connection and a sensor or controller. Fitness trackers, smart TVs, thermostats, connected vehicles, medical monitors, and factory sensors all count. These devices gather data, talk to each other, and reach the internet. Few of them were built with security as a priority. So they widen your attack surface the moment you plug them in.

Why IoT Devices Attract Attackers

Attackers target IoT devices for three reasons. First, the devices ship with default passwords, and most teams never change them. A default credential list is one search away. Second, many devices never receive security updates. The vendor stops patching, or the update process demands manual work no one does. Many run stripped-down operating systems with no room for security software, so your usual endpoint tools never see them. Third, a single compromised device gives an attacker a foothold inside your network, behind your firewall. From there they move sideways toward the systems holding your real value. The Mirai botnet showed the scale of the problem when it hijacked thousands of unsecured cameras and routers and used them to knock major websites offline.

What the Data Says About Canadian Risk

The threat is not abstract for Canadian organizations. Statistics Canada found about one in six Canadian businesses felt the impact of a cyber security incident in 2023. Recovery spending doubled to $1.2 billion in a single year. Businesses spent another $11.0 billion on prevention and detection. IoT devices feed directly into these numbers. Attackers count on the gap between how many devices you own and how many you actively manage. Each unmanaged sensor or camera adds a route attackers use for scams, ransomware, and data theft, the three incident types Canadian businesses reported most. The full figures sit in the Statistics Canada report on cybercrime.

Canada’s Baseline for Connected Devices

Canadian guidance exists for this exact problem. The Canadian Centre for Cyber Security publishes direct advice in its IoT security guidance, ITSAP.00.012, and recommends every step below. Canada also maintains a national standard for industrial devices. The Digital Governance Standards Institute publishes DGSI 105, which sets cyber security controls for Industrial IoT devices, published in 2022 and reaffirmed in 2025. These documents give your procurement team a checklist. Ask a vendor to meet the Canadian baseline before you buy. You screen out the weakest products before they reach your network.

How to Secure Your Connected Devices

Start with an inventory. You protect only the devices you know about, so find every connected object on your network first. Change default credentials on each one, and use long passphrases instead of short passwords. Turn on two-factor authentication where the device supports it. Segment your IoT devices onto their own network, away from the systems holding sensitive data, so a breached camera never reaches your financial records. Encrypt the data these devices generate, both at rest and in transit. Disable features you do not need, including automatic connection services and remote access. Apply firmware updates as vendors release them, and retire devices the vendor no longer supports. Assign one owner to the device fleet, so accountability never falls through the cracks between IT and facilities teams. The Cyber Centre backs each of these steps.

The Skills Behind IoT Defence

Securing connected devices needs people with network and analysis skills, not a single tool purchase. Segmentation sits at the centre of the work. Someone designs the network so IoT devices live apart from critical systems and traffic between zones stays controlled. The Certified Network Practitioner program builds this foundation, covering the network design and controls a safe IoT rollout depends on. Once devices go live, someone watches them. The Certified Cybersecurity Analyst track prepares analysts to monitor traffic, spot the odd behaviour of a compromised sensor, and respond before it spreads.

You also need to test the devices themselves. The Certified Vulnerability Assessor program teaches you to find the weak credentials, open ports, and outdated firmware attackers look for, so you fix them first. Above the technical work sits governance. Someone owns the policy, the procurement standard, and the risk decisions across the whole fleet. The Certified Information Systems Security Officer certification covers the architecture, risk management, and oversight a connected environment demands. IoT growth will not slow down. The organizations training their people now keep control of their networks. The rest hand attackers thousands of new doors.