Illustrative operating model

Make security ownership clear across your teams.

Distributed security ownershipShared security direction connects to system ownership, trained engineering participants, and remediation or deprecation decisions. This diagram illustrates the case's operating principle.Shared security directionSystem ownersAccountabilityEngineering teamsTrained participantsRisk decisionsRemediate or retire

The challenge

A subsidiary environment had accumulated security and certification obligations faster than a centralized review process could absorb. Customer trust, audit readiness, and engineering capacity depended on turning the backlog into work with clear priorities and owners.

The decision

I treated the backlog as an ownership and prioritization problem as well as a security problem. The model distributed responsibility through trained engineering participants and made deprecation a legitimate security outcome.

What I changed

I designed the operating model and helped establish ownership patterns for the systems teams maintained. The work combined trained certifiers, risk triage, and leadership communication so teams could decide what to remediate and what to retire.

What changed

The program reduced security exposure and improved remediation ownership. Making retirement an explicit option also avoided low-value engineering effort on systems that did not justify further investment.

Tradeoffs and constraints

The model had to reduce exposure while preserving engineering capacity. Changing ownership expectations required clear executive communication so teams understood why some systems needed investment and others should be retired.

Leadership lesson

What this case shows

Security ownership needs to follow system ownership. Teams also need a clear way to decide which systems warrant investment and which should be retired.