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Built-in cybersecurity for Renesas smart meter chips

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By Nick Flaherty


Renesas Electronics is using zero-trust meter-level cyber security from NanoLock Security in Israel for its smart meter chips.

Engineers using the Renesas RL78 smart meter chips can use the NanoLock DLMS-compatible, zero-trust cyber protection built-in to their meters with no impact on performance, functionality, or deployment speed.

DLMS is the Device Language Message Specification that is used with the COSEM Companion Specification for Energy Metering. This is an object model capable of describing virtually any application.

The combination of DLMS and COSEM for the IEC 62056, AINSI C12, and EN13757-1 standards creates a global platform for energy & water smart management and advanced control over almost any communication media.

The device-level protection allows persistent changes to critical code and configuration only if authenticated and signed by an external authorized server. The preventive, zero-trust approach rejects all unsigned change requests, regardless of attack vector, cyber event, attack origin, or the exploited vulnerability.

The RL78 family is based around a proprietary 16bit Harvard architecture core with a three-stage pipeline coupled with robust embedded flash memory and data converter blocks.

Nanolock says the zero trust system is secure from all attack vectors, including insider manipulation and human error, without any disruptions to meter operations or product time to market.

“Edge devices like advanced metering infrastructure (AMI) are vulnerable targets for cyber attackers and can compromise service integrity, revenue, and safety,” said David Stroud, Chief Revenue Officer, NanoLock Security. “With our meter-level protection built into Renesas metering solutions, Renesas customers can now bring secure and tamper-proof smart meters to the market faster, a critical edge in a hotly competitive industry.”

NanoLock is showing the Security Embedded Gatekeeper at the Enlit Europe exhibition in Frankfurt this week.

NanoLockSecurity.com; Renesas RL78 Partner page

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