From your doorbell to your home network
Summary
A detailed security-focused write-up on hacking the Eufy Security Video Doorbell ecosystem. It covers hardware and firmware analysis, jamming to disrupt the hidden OCEAN network, reverse-engineering the soundwave synchronization, memory dumps to extract credentials, and decrypting configuration data. The piece highlights real-world IoT risks, including doorbells acting as gateways into home networks, and provides practical steps and tooling references used during the investigation.