THINK Gas

Control register · AR-001

Assumptions & risks

Statements not supported by current evidence are tracked as assumptions, not facts. Each must close with named evidence before its dependent production gate.

Assumption log

Evidence required

5 open
A-01due M1

Microsoft Entra identities can govern platform and consumption access.

Owner
CISO delegate
Closure evidence
Identity architecture and test-user access matrix approved
A-02due M1

SAP, GIS and HEAT permit non-disruptive read-only extraction.

Owner
Application owners
Closure evidence
Timed extraction tests and source-load evidence
A-03due M2

Customer, premise and asset keys can be linked at an acceptable match rate.

Owner
Data governance lead
Closure evidence
Profiled match, duplicate and unresolved rates by GA
A-04due M1

Power BI is the governed executive analytics channel.

Owner
CIO delegate
Closure evidence
Tooling and licence position confirmed
A-05due M2

Business teams can retain control cohorts during pilots.

Owner
Value owners
Closure evidence
Signed pilot protocol and baseline extract

Technical risk register

Threats to production acceptance

review weekly
R-01Critical

SAP extraction affects source performance or misses deltas

Control
Benchmark extractor; bounded windows; control totals; replayable checkpoint
Owner
SAP owner
R-02High

THINK ONE releases consume SMEs and change windows

Control
Ring-fence read-only discovery; blackout calendar; sponsor resolves collisions
Owner
Programme director
R-03High

Customer identity mismatch contaminates cross-system measures

Control
Deterministic first; steward queue; no automatic destructive merge
Owner
Data governance lead
R-04Critical

Company Brain exposes restricted customer or employee data

Control
Policy before retrieval; row/column controls; red-team tests; immutable audit
Owner
CISO delegate
R-05High

SCADA connectivity creates an IT/OT boundary risk

Control
One-way approved export; no control-path connectivity; security architecture review
Owner
OT security owner
R-06High

Fabric capacity or concurrency fails production SLOs

Control
Representative benchmark; workload isolation; cost and throttling telemetry
Owner
Platform lead
R-07Medium

AI pilots report activity rather than attributable value

Control
Retained baseline; accepted action log; Finance-approved value formula
Owner
CFO delegate
R-08High

Model or retrieval quality degrades after release

Control
Versioned evaluation set; drift alerts; kill switch; manual fallback
Owner
AI product lead

Escalation rule

Any Critical risk without tested mitigation blocks the related release. High risks require accountable-owner acceptance and a dated closure action.