Software in the Supply Chain: The Newest Insider Threat to ICS Networks
Summary: A Dragos blog post and accompanying whitepaper argue that software and supply chain services constitute a new class of insider threat to industrial control systems, citing the SolarWinds breach, which Business Insider reported was carried out through a software update. The post notes that manufacturing supply chain threats carry detailed knowledge of plant operational technology, processes, and assets, and that malicious software may show no discernible pattern of unusual behavior.
Key Takeaway: The insider here is the trusted software update itself, and the post's point is that it can sit deep in an ICS environment without exhibiting behavior that cyber threat intelligence mechanisms are built to flag.
Read the original at Dragos Blog ↗
- Topics
- OT / ICS & Critical Infrastructure
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