TL;DR

Risk management becomes more concrete in Phase E because solution building blocks, work packages, and implementation choices are now being shaped. The goal is to maximize business benefit and minimize business loss by identifying, assessing, mitigating, reassessing, and governing risks.

Why risk becomes visible in Phase E

Earlier ADM phases identify concerns, readiness issues, and high-level risks.

In Phase E, the architecture starts moving toward concrete solutions and implementation planning. At this point, risks become easier to see because the work packages, solution options, dependencies, and delivery choices are more explicit.

Every business transformation effort has risk.

Basic risk terms

TermMeaning
RiskThe effect of uncertainty on objectives
UncertaintyA deviation from what is expected, positive or negative
Probability or frequencyHow likely the risk is to occur
Effect or impactWhat happens if the risk occurs
Risk triggerThe event or condition that causes the risk to materialize

A risk is uncertain. It is not a guaranteed event. It has a likelihood of occurring and an effect if it occurs.

Risk triggers

Risk triggers may come from inside or outside the transformation scope.

Trigger sourceExamples
Inside the transformationdelivery dependencies, skills gaps, technical complexity, scope change, stakeholder acceptance
Outside the transformationother projects, legal changes, natural disasters, geopolitical instability, market changes

Internal triggers are usually easier to identify because they are closer to the transformation work.

External triggers often require broader scanning and governance attention.

Risk management process

Risk management identifies and assesses potential positive or negative events at strategic, tactical, and operational levels.

flowchart LR
    I["Identify risks"] --> C["Classify risks"]
    C --> A["Initial risk assessment"]
    A --> M["Define mitigation actions"]
    M --> R["Residual risk assessment"]
    R --> G["Monitor and govern"]

The practical aim is to reduce:

  • probability or frequency of occurrence
  • effect or damage if the risk occurs

Initial vs residual risk

Risk management distinguishes between two levels.

Risk levelMeaning
Initial riskRisk categorization before mitigation actions are defined and implemented
Residual riskRisk categorization after mitigation actions are implemented

Mitigation should move unacceptable risks toward an acceptable residual level.

For example:

  • reduce the effect from critical to negligible
  • reduce the frequency from likely to unlikely
  • combine both approaches where needed

Risk categories

Risks are often classified first by their impact on:

  • time
  • cost
  • scope

Other useful risk categories include:

  • client transformation risks
  • relationship risks
  • contractual risks
  • technological risks
  • scope and complexity risks
  • environmental or corporate risks
  • personnel risks
  • client acceptance risks

The categories should fit the architecture engagement and the organization.

Business risk and cyber risk

TOGAF risk discussion uses risk concepts from SABSA.

Risk can be seen at any level of the enterprise architecture, but it is driven top-down from business value and its optimization.

Risk typeFocus
Business riskRisks in business architecture: value chains, capabilities, processes, business services
Cyber riskRisks in the underlying IT: applications, infrastructure, platforms, and technical components

Business risk and cyber risk should connect. Cyber risks matter because they threaten business value, service continuity, compliance, or transformation outcomes.

Positive and negative risk

Risk is usually associated with negative events, but risk can also involve positive outcomes.

For example, a new technology may create:

  • opportunity for new business capability
  • efficiency gain
  • new service model
  • innovation advantage

The enterprise architect’s role is to help create an operational environment where risks are optimized for maximum business benefit and minimum business loss.

Risk assessment

Risk assessment classifies transformation risk using:

  • effect: impact on the organization
  • frequency: likelihood during the transformation

Phase E risk assessment matrix

Effect levels:

EffectMeaning
CatastrophicSevere effect, potentially threatening the organization or transformation viability
CriticalSignificant effect on important goals or parts of the transformation
MarginalNoticeable effect that may threaten some goals
NegligibleMinimal effect, often limited to one line of business or a small area

Frequency levels:

FrequencyMeaning
FrequentExpected to occur often
LikelyExpected to occur
OccasionalMay occur sometimes
SeldomPossible, but uncommon
UnlikelyNot expected in normal conditions

Risk classification labels

TOGAF-style risk classification often uses four labels.

LabelMeaning
E: Extremely highTransformation effort is likely to fail with severe consequences
H: HighSignificant failure of parts of the transformation; some goals may not be achieved
M: ModerateNoticeable failure of parts of the transformation; some goals are threatened
L: LowSome goals may not be fully successful

High-effect and high-frequency risks tend to sit in the high-risk area. Low-effect and low-frequency risks tend to sit in the low-risk area.

Mitigation tries to move risks from E/H toward M/L by reducing effect, frequency, or both.

ADM usage

Risk management continues across later ADM phases.

ADM phaseRisk management focus
Phase E: Opportunities and SolutionsIdentify, classify, and mitigate risks associated with the planned transformation
Phase F: Migration PlanningValidate remaining risks, assign risks and mitigation actions to projects, and accept residual risk when concluding the Implementation and Migration Plan
Phase G: Implementation GovernanceMaintain Risk Identification and Mitigation Assessment worksheets as governance artifacts; monitor risks and mitigation actions
Phase H: Architecture Change ManagementManage risks associated with the enterprise architecture capability and decide whether change requires a new ADM cycle

In Phase G, critical risks that are not being mitigated may require a full or partial ADM cycle.

Risk worksheets

Use Risk Identification and Mitigation Assessment worksheets to capture:

  • identified risks
  • risk category
  • trigger
  • effect
  • frequency
  • initial risk level
  • mitigation action
  • owner
  • residual risk level
  • monitoring status

These worksheets become governance artifacts and should stay current during implementation.

Exam note

  • Risk is the effect of uncertainty on objectives.
  • Risk can be positive or negative.
  • A risk has probability/frequency and effect/impact.
  • Initial risk is assessed before mitigation; residual risk is assessed after mitigation.
  • Risk management aims to maximize business benefit and minimize business loss.
  • Phase E identifies, classifies, and mitigates transformation risks.
  • Phase F validates and accepts residual risks.
  • Phase G monitors risk and mitigation actions as part of implementation governance.
  • Phase H manages risks to the enterprise architecture capability.

Sources