Quick answer: Risk, safety, security, resilience, and management are one field seen through five lenses, not five separate disciplines. Opening a new writing programme built on a shared framework library across all five.
Originally published on LinkedIn: 30 May 2026.
Risk, safety, security, resilience and management are usually taught, staffed and budgeted as separate disciplines. In practice they are one field, viewed through five overlapping lenses, and treating them as silos is where a lot of organisational blind spots originate.
A shared framework library, not five separate toolkits
Aven's risk science triplet, Smith and Brooks' security science, and the resilience-focused ISO suite, including 22301, 22336 and 22361, along with HB 167, all describe the same underlying terrain from different angles. Knowing where they overlap is more useful than mastering any one in isolation.
Reason's models still do the heavy lifting
Reason's Swiss Cheese Model, FRAM, and high reliability organisation theory remain some of the most practically useful ways to explain how failures actually propagate through complex systems, far more useful than single-cause thinking.
The Research Onion as a discipline map
The Research Onion, usually taught as a research methodology tool, doubles as a useful map for peeling back assumptions in risk, safety and security work, from philosophy down to technique.
Why this matters for practitioners
If your organisation still has risk, safety, security and resilience reporting into different committees with different language and different metrics, you are paying a coordination tax that a shared framework approach would remove.
This is the opening piece in a new writing programme building out these connections in more depth. If that is useful to your team's thinking, stay subscribed, there is more coming.