Securing OT connectivity: The final four

This blog post (part three of a series) explains principles 5–8 of OT secure connectivity guidance: hardening OT boundaries, limiting compromise impact (segmentation, microsegmentation, browse-down, boundary controls), ensuring logging and monitoring, and establishing isolation plans (site, application, hardware-enforced). It offers practical recommendations for OT owners and notes ways the vendor (runZero) can help detect unauthorized changes, check defaults, and discover coverage gaps.