Cyber-related supply chain risks. While companies once relied upon a single vendor to support their email environment, now their entire network may run on hardware and software owned by multiple companies. (Photo: Wright Studio/Shutterstock)

Early in my cyber career, we worried about individual vendor cyber risk. Now we worry about supply chain cyber risk. This change comes as companies that once relied on a single vendor supporting their email environment now have their entire network running on hardware and software owned by third parties. The global pandemic has led workers to upload their personal and business services to the cloud. Practically all services are virtual, and a breach that might start with just one vendor or third-party now has the potential to result in much greater harm.

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