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Japan/KoreaCybersecurityRegulation & Standards

SK hynix said its LPDDR5X gained SIL 3 and its processes an ISO/SAE 21434 certificate

The Korean chipmaker said SGS-TÜV Saar certified its LPDDR5X DRAM to IEC 61508 SIL 3 and certified its cybersecurity management system against ISO/SAE 21434.

SK hynix said on 11 November that its LPDDR5X DRAM had obtained Safety Integrity Level 3 certification under IEC 61508, the international standard for industrial functional safety, and that it had gained a cybersecurity management system certificate based on ISO/SAE 21434, the automotive cybersecurity standard. According to the company’s newsroom, both were granted after assessments by the certification body SGS-TÜV Saar, involving SGS Korea and SGS Japan.

The company said the certificates build on its earlier ISO 26262 ASIL-D automotive functional safety certification and on the TISAX information-security label it obtained early last year. It described the cybersecurity certificate as covering its product lifecycle process.

SK hynix said the certifications support its plans for robotics, edge AI, smart factories, autonomous driving and software-defined vehicle platforms. It said the LPDDR5X was designed and validated to support IEC 61508’s continuous mode of operation. The release did not name customers or vehicle programmes.

Why it mattersCarmakers seeking type approval under UN Regulation No. 155 must show how they manage cyber risk in their supply chain, and an ISO/SAE 21434 process certificate at a memory maker carries that evidence down to the DRAM supplier rather than stopping at the control-unit supplier.

Source: SK hynix newsroom, 11 November 2026

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