A $20 Router Can Turn Your Home Network Into a Basic Security Monitor

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As AI hype drives up cloud costs and lowers the barrier to generating scams and phishing attacks, one developer argues that practical, low-cost hardware skills matter more than ever. The GL.iNet GL-MT300N-V2, a small $20-26 Linux-based router sold on Amazon, can be configured as a basic home Security Operations Center. Placed between a modem and router, the device can run DNS-level ad and tracker blocking, a lightweight intrusion detection system, and local traffic logging via a USB drive. This setup can reveal unexpected behavior from everyday devices, such as smart bulbs or apps quietly sending data to remote servers. The author frames this approach as "defensive computing" — a practical hedge against growing AI-driven threats and increasing cloud dependency.

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ProgrammingDEV Community ·

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