Healthy Living Circle

Security: The Critical Challenge for Connected Embedded Systems

As microcontroller embedded systems become increasingly connected to the internet and to each other, forming the backbone of the IoT, security has escalated from an afterthought to a primary design requirement. These devices, once isolated, are now potential entry points for cyberattacks, making hardware and software security features paramount for protecting data, privacy, and functional safety.

Traditional MCUs lacked basic security protections. Today, manufacturers are integrating dedicated security hardware directly onto the MCU silicon. Key features include:

• Hardware Crypto Accelerators: Dedicated units for performing encryption/decryption (AES) and secure hashing (SHA) efficiently and quickly.

• Secure Boot: Ensures that only authenticated and trusted software can run on the MCU, preventing malicious code from being loaded.

• True Random Number Generators (TRNG): Provide the essential entropy needed for creating strong cryptographic keys.

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