Until a few years ago, the only security concern at home was locking the front door. Today, we’ve filled our homes with “smart” devices: light bulbs, outlets, thermostats, security cameras, and even internet-connected refrigerators. But have you ever considered that these convenient gadgets are, in fact, small computers, often without any protection?
In 2026, IoT (Internet of Things) attacks have skyrocketed. Hackers no longer try to break into your laptop; instead, they gain access to your network through the smart thermostat you forgot to change from its factory default password. At Altanet Craiova, we’re receiving more and more requests for help from people who’ve discovered that their private lives are being streamed live on the internet.
Why are smart devices such an easy target?
The major problem with IoT devices is that manufacturers prioritize “cheap and easy to use” over “secure.” Here are the main vulnerabilities:
- Default passwords: Many webcams come with the username "admin" and the password "1234." If you don’t change them immediately, there are bots that scan the internet and automatically connect to them.
- Lack of updates: When was the last time you updated the software on your washing machine? Probably never. Discovered vulnerabilities remain unpatched for years.
- Shared network: We usually keep our smart light bulb on the same Wi-Fi network as the laptop we use for banking. If a hacker compromises the light bulb, they can easily access your bank account.
What can hackers do with a connected toaster?
It might seem funny, but the risks are serious. A compromised device can be used for:
- Video/audio surveillance: Baby monitors or entryway cameras are prime targets. Footage from your home could end up on shady websites.
- Pivot point: The hacker gains entry through the robot vacuum and launches attacks from there against your work computer.
- Botnets: Your device becomes a “zombie” in a digital army used to attack government websites, without you even knowing it. Your internet runs a little slower, but the damage is done to others.
How do you secure your smart home?
You don’t have to give up comfort, but you do need to follow a few digital hygiene rules:
- Change default passwords: As soon as you take a device out of the box, change the password. Use a complex one.
- Network segmentation (Guest Wi-Fi): Most modern routers have a "Guest Network" option. Connect all your IoT devices to this separate network. That way, if your fridge gets hacked, the hackers can’t access your personal files.
- Update the firmware: Check the app on your phone periodically to see if there are updates for your gadgets.
To learn more about this topic and see expert-approved tips, you can consult the guides on the National Online Safety Platform (DNSC & Romanian Police).
Conclusion
The home of the future is convenient, but it must also be secure. Don’t leave the digital door open out of carelessness. An unprotected smart light bulb is like a window left open on the ground floor.
Do you have many smart devices and want to know if your home network is secure? Our team can configure advanced routers and provide IT services for smart homes. Visit our contact page and secure your home.
This content is part of Altanet’s educational series on digital security. Want to know what other risks you’re facing this year? See the complete list of cyber threats for 2026.




