IoT & OT Security: What to Do After You Know the Basics?

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Once you understand the risks in IoT (Internet of Things) and OT (Operational Technology), it's time to focus on how to protect them better. Here's a quick guide to level up your security game:

1. Segment Your Network

Keep IoT/OT devices on separate networks from your main IT systems. If a device is hacked, the damage stays contained.

2. Use Strong Authentication

Every device and user should prove who they are. Use multi-factor authentication and certificates wherever possible.

3. Monitor Constantly

Set up real-time monitoring tools to catch anything suspicious—like devices talking to unknown IPs or behaving oddly.

4. Update Devices Regularly

Patch your systems! Outdated software is one of the biggest reasons devices get hacked. Automate updates when you can.

5. Start Thinking Zero Trust

Never assume any device is safe—even if it's inside your network. Always verify, never trust by default.

6. Use AI to Spot Threats

Machine learning tools can find patterns and detect threats faster than humans. They’re especially useful in large, complex systems.

Bonus Tip: Watch the Supply Chain

Even your device manufacturers can be a risk. Work only with trusted vendors and verify the integrity of their products.

Final Thought

Securing IoT and OT systems isn’t just about avoiding attacks—it’s about building systems that can resist, detect, and recover from them. These steps are your next move.

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