Securing Software Supply Chains: The Role of Code Signing and SBOMs

The article "Verifying the mix: How to handle software-supply-chain security" by Paul Wagenseil, published on March 8, 2025, discusses the critical importance of securing software supply chains amid rising supply-chain attacks and evolving global regulations.

A key focus is on the necessity of signing code with secure digital certificates, especially for Internet of Things (IoT) and operational technology (OT) devices. Despite its significance, many companies still overlook this practice. Eric Mizell, Field CTO at Keyfactor, highlighted that numerous organizations fail to sign their code, underscoring a widespread gap in security measures.

The article also emphasizes the role of Software Bills of Materials (SBOMs) in enhancing transparency within the software supply chain. SBOMs function like ingredient lists, detailing all components in a software product, thereby aiding in the identification and mitigation of vulnerabilities. This approach aligns with recommendations from the National Institute of Standards and Technology (NIST), which advocates for SBOMs to bolster software supply chain security. 

In summary, the article highlights the urgency for organizations to adopt robust code-signing practices and utilize SBOMs to ensure the integrity and security of their software products, especially in the context of IoT and OT devices. 

https://www.scworld.com/resource/verifying-the-mix-how-to-handle-software-supply-chain-security

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