External Connectivity vs Attack Surface
Restrict OT external connections to operationally essential services and enforce Zero Trust controls at every interface.
CyberTRIZ analysis · Seveso contradiction CY018 · one of 8,235 worked contradictions published by CyberTRIZ.AI
Regulations
Business Context
Connecting OT systems to enterprise platforms, cloud services, and
remote engineering tools improves operational visibility and business
integration.
The Contradiction
Greater connectivity improves business efficiency.
Less connectivity reduces cyber exposure.
Why It Exists
Every additional connection creates another potential pathway that could
be exploited during a cyberattack.
Direction
Limit external connectivity to essential services while protecting every
interface through Zero Trust principles and continuous monitoring.
TRIZ principles applied
P02 Taking OutP35 Parameter ChangesP01 SegmentationP40 Composite MaterialsP05 MergingP06 Universality