Check out the official whitepaper here.
Suggested Practices to Defend Against DLL Hijacking
This whitepaper covers the following topics:
- Basic background
- History of abuse against OT companies
- Unique Dragos VulnDB insights
- How to discover these vulnerabilities
- Recommended mitigations
- …and more!

I hope this guides ICS/OT asset owners to more secure systems and vendors to more secure programming practices.