The Internet of Things (IoT) connects everything—from your fridge and thermostat to your watch and car—to the internet. While this brings massive convenience, it also introduces serious security risks. Many IoT gadgets are designed for function, not protection, making them vulnerable to hacking, malware, and cyberattacks.

One of the biggest issues is poor security by default. Many gadgets come with weak default passwords, outdated software, or no encryption. Users often leave these settings unchanged, giving hackers easy access. Once compromised, a single device can become a backdoor into your entire home network.

Some high-profile attacks have already occurred. In 2016, the Mirai botnet used thousands of compromised IoT devices—like routers and webcams—to launch one of the largest internet outages in history. And because IoT gadgets are always online, they’re constantly exposed to threats.

Smart home devices are particularly at risk. Hackers can take control of security cameras, door locks, thermostats, or baby monitors. In worst-case scenarios, cybercriminals could manipulate critical infrastructure—like smart meters or even medical devices.

Another concern is data leakage. Many IoT gadgets collect personal information but lack proper data protection protocols. Once stolen, this data can be used for identity theft, blackmail, or sold on the dark web.

To stay safe, users should change default passwords, enable two-factor authentication (2FA), keep firmware updated, and use a secure Wi-Fi network. Manufacturers also need to step up—building in stronger security features by design.

IoT gadgets may be smart, but they need to be secure to truly serve users. Otherwise, the risk may outweigh the reward.