Chapters

 Security: Threats & Defense Module Guide

Follow Shield Shelly as a patched label has no installed-version evidence behind it.

  1. Shield Shelly compares the claim label with a blank version field.

    The device says “patched,” but the record names no version.

  2. Shelly reads the device and compares two specific build records.

    Check the expected version against the version on the device.

  3. Shelly builds one complete update record from the check.

    Save the proof, result, owner, time, and next check.

  4. Shield Shelly observes as the checked update card is bounded inside a much larger security review.

    This proves one update claim, not the device's whole security.

A patched label has no installed-version evidence behind it.

Start With the Module

IoT security threats and defense: security foundations, threat modeling, network and device/hardware security, and secure development.

This guide maps the current learning path for Security: Threats & Defense. The module contains 25 chapters, linked below in the order learners can study them.

Chapters by Part

Current chapters

Security Foundations

Threat Modeling

Network Security & Defense

Device & Hardware Security

Secure Development

Choose a Starting Point

If this subject is new, follow the parts and chapters in the order shown above. If you already have a specific design or troubleshooting question, use the relevant part heading and open the direct chapter link whose title matches that question.

Use the sidebar and site search for supporting material; use this chapter map as your main route through the module.

How to Use This Material

  • Start with the first chapter in the relevant part when the topic is unfamiliar.
  • Use direct chapter links for study plans, lab preparation, and review evidence.

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