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Risk Treatment Options: Mitigate, Transfer, Avoid, Accept

Risk treatment · 2 min read

Four ways to respond

Mitigate, transfer, avoid and accept, illustrated with a riverside warehouse.
ResponseMeaningIT examples
Mitigate (reduce)Controls reduce likelihood or impactMFA, patching, encryption, backups, monitoring
Transfer (share)Someone else carries the financial impactCyber insurance; indemnities in supplier contracts
AvoidStop, or never start, the activityStop storing card data; retire an unsupported system
Accept (retain)Knowingly live with the riskA low-value internal wiki without MFA, documented and reviewed

The goal is residual risk within appetite, at reasonable cost, not zero risk.

Choosing a response

Within appetite accept; low-benefit activity avoid; cost-effective controls mitigate; transfer cost; residual accepted.

Questions that guide the choice:

  1. Is the risk already within appetite? Then accept it and monitor.
  2. Is the activity’s benefit low compared with its risk? Consider avoiding it.
  3. Can controls reduce it cost-effectively? Mitigate.
  4. Can someone else carry the cost? Transfer or share it.
  5. Whatever remains is residual risk, accepted by the owner and documented.

Transferring risk moves the financial impact. Accountability, reputational damage and regulatory duties stay with the organisation.

Combining responses

Example. An unsupported manufacturing system can’t be patched, and replacing it takes two years. The plant isolates it on its own network segment and adds monitoring (mitigate), extends the cyber policy to cover business interruption (transfer), and the plant director formally accepts the remaining risk until replacement, reviewed every quarter (accept).

Who decides

RolePart in the decision
Security managerAnalyses the risk, designs options, estimates their cost and residual risk, recommends
Risk ownerA business manager who chooses the response and accepts what remains
Senior managementDecides when the risk is beyond the owner’s authority or the appetite
Risk registerRecords the decision, owner, actions, dates and review

The security manager’s job is to make sure the decision is informed, not to make it for the business.

How the exam asks about it

If the question asks…The answer is usually…
Buying cyber insurance is an example of…Risk transfer
Who decides the treatment?The risk owner
Goal of risk treatmentResidual risk within appetite, cost-effectively
Stopping a risky activityAvoidance
Does outsourcing transfer accountability?No

In short

  • The four responses: mitigate (reduce), transfer (share), avoid (stop the activity) and accept (knowingly retain).
  • The goal is residual risk within appetite at reasonable cost, not zero risk.
  • Responses are often combined: mitigate, then insure what's left, then accept the remainder.
  • Transferring risk moves financial impact, not accountability, reputational damage or regulatory duty.
  • The security manager recommends options with costs and residual risk; the risk owner decides.
  • Every treatment decision is recorded in the risk register with an owner and review date.

Exam traps

  • Insurance doesn't transfer accountability or reputational damage.
  • Ignoring a risk isn't acceptance; acceptance is informed, documented and approved.
  • The security manager doesn't accept business risk on the owner's behalf.
  • Avoidance removes the risk but also the benefit of the activity.

Slides

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CISM · Domain 2 · Risk treatment

Risk Treatment Options: Mitigate, Transfer, Avoid, Accept

The four ways to respond to a risk, how the security manager recommends between them, and why the final choice belongs to the business risk owner.

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