In this episode of Stories from the SOC, Randy Breault shares a story that starts with a signature, a trusted vendor’s digital certificate, and ends with a sobering truth about software supply chain attacks. Everything looked safe when an application appeared legitimate, even verified by the vendor’s signing key. But under the surface, the attacker wasn’t breaking trust; they were borrowing it. Randy unpacks how a single compromised code-signing certificate turned a trusted build into a delivery vehicle for compromise, what lessons his team learned, and how security leaders can verify trust every time.

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