
Secure by Default, Not by Patch: Moving Threat Modeling to the Very Beginning of the Embedded Lifecycle
For years, the technology industry has leaned on a "move fast and break things" philosophy, treating security as a bolt-on feature handled via post-release patches. While web developers can afford to push a hotfix to a cloud server in ten minutes, embedded engineers operate in the physical world. In our domain, pushing a faulty Over-The-Air (OTA) update to a fleet of agricultural tractors over a spotty 2G connection can brick the entire fleet. The era of "patching it later" is over. Regulatory frameworks and the sheer physics of connected devices are forcing a paradigm shift. To build truly resilient products, we must adopt a Secure by Default methodology. And that begins with moving Threat Modeling to the very beginning of the embedded lifecycle—Phase Zero.
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