Reverse Engineering of a Not-so-Secure IoT Device

The ‘Internet of Things’ is coming! It started as an overused marketing hype with no real use case (who needs internet connected fridges? Who wants the internet connected toilet paper?).

New ‘things’ start to pop up, useful or not: From smart bulbs (Philips Hue), thermostats (Nest), smart TV (Samsung and others) up to voice assistants (Alexa, Cortana, Google). You might even have installed one of these, right? What about temperature and humidity sensors? Probably there is nothing wrong with that?

But what would you think if one morning you find a strange unknown device installed under your working desk, connected to the cloud and internet?

IoT Device attached under a working desk

IoT Device attached under a working desk

Continue reading

Advertisements

Sumo Robot Sensor Shield

The PCB’s for the Sumo robot (see “New Sumo Robot Assembled, and looking good!“) arrived. It is the ‘production’ version of that shield I have shown in “Sensor and Communication Shield for Sumo Robot” which adds following to the robot:

  1. Ultrasonic module
  2. Bluetooth module
  3. nRF24L01+ module
  4. I2C I/O Expander for 8 extra I/Os
  5. One general purpose I/O header
  6. One general purpose I2C header
  7. Up to 6 infrared distance sensors
Sensor Shield

Sensor Shield

Continue reading