The CISO POST All field notes
Security · FIELD MEMO 004

Your first risk assessment should change the roadmap.

If the result is a polished register and the same engineering backlog, you completed paperwork—not risk management.

Early-stage companies do not fail at security because they lack a hundred controls. They fail because the few risks capable of hurting the company are mixed into an undifferentiated list. A useful assessment makes tradeoffs visible and changes what gets funded, fixed, accepted, or watched.

Begin with the company, not the framework

List the outcomes that could materially harm the business: losing customer data, extended product downtime, unauthorized financial actions, exposed source code, or a broken regulatory commitment. Then identify the systems, people, and vendors that could cause or prevent each outcome.

Quality testA risk assessment is useful only when it changes a decision.

Use a small, honest scale

Precision is often fake at this stage. A simple likelihood and impact scale works when the assumptions are written down. Record existing safeguards separately from planned ones; otherwise the roadmap quietly masquerades as present-day protection.

  • Name the business outcome and affected customer.
  • Document why likelihood and impact were chosen.
  • Identify the current control and its evidence.
  • Assign a treatment owner and review date.

Force the tradeoff

For each material risk, choose: reduce, avoid, transfer, or accept. Acceptance is not negligence when it is explicit, time-bound, and owned by someone with the authority to make the tradeoff.

Make it a management instrument

Review top risks when architecture, product scope, vendors, or customer commitments change. A quarterly conversation with five well-understood risks is more valuable than a static spreadsheet with fifty vague ones.

The best first risk register is short enough for leadership to remember and specific enough for engineering to act on.
FIELD MEMO 004

Useful now, not someday.