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antifragile/antifragile-consulting/playbooks/business-case-template.md
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Claude Sonnet 4.6 6162bb474f fix: Replace cloud AI cost rows in business case direct costs table
Remove 'Cloud AI vendor price shock' (not a security risk; unverifiable
number) and 'Competitive intelligence loss from AI training' (inaccurate
claim that contradicts corrections made throughout the framework).

Replace with:
- Incident response and forensics (EUR 150-500K, real range)
- Business interruption during recovery (client-specific daily revenue)

All five rows now map directly to risks the programme addresses and
are quantifiable in a CFO conversation.

Co-Authored-By: Tom Kracmar <tom+claude@cat6.cz>
2026-06-05 09:59:12 +00:00

14 KiB
Raw Blame History

Business Case Template

"The board does not buy security. The board buys risk reduction, regulatory survival, and competitive advantage. Price it accordingly."

This template provides a reusable structure for building financial justification for antifragile engagements. It is designed to be adapted per client, per vertical, and per regulatory context. The output should be a 4-6 page document that a CFO can evaluate in 15 minutes.


Document Structure

Page 1: Executive Summary

Subtitle: Investment Proposal: Antifragile Enterprise Program

Element Content
Investment ask €[X] over 180 days, phase-gated with go/no-go decisions at days 60, 120, 180
Primary return Reduction of existential cyber risk; regulatory compliance evidence; operational resilience demonstrable to auditors and insurers
Break-even 1218 months post-programme: insurance premium reductions take one renewal cycle; regulatory evidence value accumulates from day 1; incident avoidance value is probabilistic but compounding
Risk of inaction Quantified below; summary: [X]% probability of material incident within 24 months at estimated cost of €[Y]

Page 2: Cost of Inaction

Frame: The most expensive decision is the one not to act.

Direct Costs (Quantifiable)

Risk Category Probability (Client-Specific) Average Industry Cost Expected Value
Ransomware incident (recovery + downtime) [X]% €4.5M average (IBM 2024) €[X * 4.5M]
Regulatory fine (DORA / NIS2 / national) [X]% Up to 2% global turnover (NIS2); up to 1% daily (DORA) €[X * % GT]
Data breach notification and remediation [X]% €3.8M average (IBM Cost of Data Breach 2024) €[X * 3.8M]
Incident response and forensics [X]% €150K500K (external IR firm + legal + crisis comms, independent of breach cost) €[X * 325K]
Business interruption during recovery [X]% €[daily revenue] × [estimated downtime days] — client-specific €[X * daily]

Calculation:

Expected Loss = Σ (Probability_i × Cost_i)

Present this as: "Without intervention, the organization faces an expected loss of €[X] over 24 months. The proposed program costs €[Y], representing a [Z]:1 return on risk reduction."

Indirect Costs (Narrative)

  • Reputational damage: Customer churn, difficulty acquiring new business, talent attrition
  • Operational paralysis: During an incident, leadership attention is diverted from growth to survival
  • Insurance premium increases: Cyber insurers are tightening terms; resilience demonstrably reduces premiums
  • Regulatory scrutiny: A single incident triggers multi-year regulatory attention and reporting obligations

Page 3: Investment Structure

Frame: We spend your money as if it were our own. Configuration first. Purchase only if justified.

Phase-Gated Budget

Phase Timeline Primary Activity Estimated Cost Go/No-Go Gate
1. Visibility Days 060 Kill chain mapping; T0 identity hardening; ASTRAL/PULSAR deployment; T0 backup verified €[X] (primarily labor) Day 60: Kill chain documented and T0 hardening complete
2. Control Days 60120 MFA for all users; CA baseline; attack surface reduction; vendor hardening €[X] (labor + minimal tooling) Day 120: MFA enforced 100%; P0/P1 vulnerabilities closed
3. Signal Days 120180 Detection rules; alert runbooks; knowledge transfer; housekeeping stream operational €[X] (labor) Day 180: Client operates independently; housekeeping running
4. Retained capability Ongoing Quarterly retained scope; detection engineering; housekeeping; structural improvements €[X]/quarter Ongoing: measurable queue reduction; annual BloodHound/Elysium
Total (180-day programme) 180 days €[X]

Cost Categories

Category Typical % of Budget Description
Consulting / Labor 60-70% Configuration, process design, training, documentation
Existing Tool Activation 0% Included in current licensing; no new purchase
Local AI Infrastructure 10-20% Hardware or sovereign cloud for inference (only if pilot justifies)
External Testing 10-15% Red team, penetration testing, regulatory validation
Training / Change Management 5-10% Security awareness, champion programs, board briefings

Compare to Alternatives

Alternative Approach Cost Timeline Risk
Do nothing €0 Expected loss €[X] over 24 months; growing regulatory exposure
Traditional security audit €[X] 90 days Produces report; no structural change; findings age immediately
Full E5 licensing upgrade €[X]/user/year 30 days Solves tooling gaps; does not address architecture, process, or accumulated technical debt
Managed security service (MSSP) €[X]/month Ongoing Outsources detection; does not reduce structural fragility; dependency without capability transfer
Antifragile programme (this proposal) €[X] 180 days + retained Structural change, regulatory evidence, measurable kill chain closure, client operational independence

Page 4: Return on Investment

Frame: The return is not revenue. It is avoided cost + preserved optionality + regulatory license to operate.

Quantifiable Returns

Return Category Calculation 12-Month Value 24-Month Value
Avoided ransomware recovery Probability reduction × €4.5M €[X] €[Y]
Avoided regulatory fine Probability reduction × % GT €[X] €[Y]
Insurance premium reduction 10-20% reduction on cyber premium €[X] €[Y]
Audit preparation time reduction ASTRAL Git trail replaces manual evidence gathering for ISO 27001, NIS2, DORA €[X] €[Y]
Reduced incident response cost Faster detection and containment €[X] €[Y]
Total Quantifiable Return €[X] €[Y]

Strategic Returns (Narrative)

Return Category Description
Regulatory agility Demonstrable continuous controls accelerate regulatory approvals, certification audits, and partnership due diligence
Regulatory agility Demonstrable resilience accelerates regulatory approvals, market entries, and partnership discussions
Talent retention Engineers and security professionals prefer organizations that invest in durability over firefighting
M&A readiness Clean identity architecture, tested recovery, and documented controls increase valuation and reduce due-diligence friction
Vendor negotiation leverage Documented exit architectures improve negotiating position with all major suppliers

ROI Summary

ROI = (Total Return - Total Investment) / Total Investment × 100%

Present as: "This program delivers a [X]% return in year one, rising to [Y]% in year two, with strategic optionality that compounds beyond quantification."


Page 5: Risk and Sensitivity Analysis

Frame: We are honest about what could go wrong. That honesty is why you should trust us.

Program Risks

Risk Likelihood Impact Mitigation
Operational disruption during hygiene phase Medium Medium Changes executed in maintenance windows; rollback procedures documented; "get out of jail free" executive authorization
Client team capacity constraints High Medium Weekly sprints with clear priorities; we do the heavy lifting; client provides decisions, not labor
Scope creep Medium High Ruthless phase gating; kill chain prioritization; deferred items tracked for future phases
Tool activation reveals deeper problems High Low This is the point. Early discovery is cheaper than late discovery.
Executive sponsor departure Low High Board-level endorsement; documented in steering committee minutes; knowledge transfer at each phase

Sensitivity Analysis

Scenario Investment Adjustment Outcome
Best case No additional tooling needed; client IT team engaged and responsive Programme completes on timeline; all value from configuration; client operational independence achieved at day 180
Base case Minor tooling additions; moderate IT team availability; some change management friction Programme completes with 24 week slippage on Phase 2 (MFA rollout change management is the usual bottleneck); strong kill chain closure and detection capability
Challenging Significant technical debt discovered in Phase 1; IT team constrained; change windows infrequent Phase 1 extended by 46 weeks; Phase 2 scope narrowed to kill chain critical path; programme value is still genuine — the findings alone are worth the investment; honest client conversation required at day 60 gate
Abort condition Executive sponsor departure; IT team fully occupied by another major project; scope fundamentally different from discovery call Programme paused or stopped at the next gate. Partial phases produce partial value — ASTRAL/PULSAR deployed, kill chain documented. Better to stop honestly than to produce a report that nobody acts on.

Page 6: Recommendation and Next Steps

The Ask (Full Programme):

"We recommend approval of a 180-day antifragile enterprise programme with three hard milestones. By Day 30: your kill chain is documented, ASTRAL and PULSAR are live, and your most privileged accounts are hardened. By Day 90: MFA covers the entire organisation, your kill chain is closed, and you have detection capability on M365. By Day 180: your team operates the systems independently, housekeeping is running as a permanent stream, and everything we built is in your repository. That is the 180-day programme. What comes after is a retained scope — scoped separately, renewed quarterly."

The Ask (Modular Alternative):

"Alternatively, we can start with a single, fixed-scope module chosen based on your highest-priority pain. Each module is 30-60 days, fixed price, with defined deliverables and a hard stop. If the value is proven, we proceed to the next module. If not, you have still received a complete, bounded solution. See Modular Engagements for the module menu."

Immediate Next Steps:

Step Owner Timeline
Executive sponsor designation CEO / Board Week 0
Steering committee scheduling COO / Chief of Staff Week 0
Data room access (AD, cloud IAM, network diagrams) CISO / IT Director Week 0
SOW execution and kickoff Procurement / Consultant Week 1
Week 1 stakeholder interviews Consultant Week 1
Day 30 steering committee and go/no-go Executive Sponsor Day 30

Vertical-Specific Financial Adjustments

Banking

  • Regulatory fine exposure: DORA fines up to 2% of global turnover; use client's actual global turnover
  • SWIFT CSP non-compliance: Potential disconnection from SWIFT network; catastrophic for international payments
  • PSD2 SCA failure: Transaction rejection rates, customer abandonment, regulator attention
  • Insurance context: Many banks are self-insured for cyber; frame as direct balance-sheet protection

Telco / Power (Critical Infrastructure)

  • NIS2 penalties: Up to €10M or 2% of global turnover (whichever is higher)
  • Operational downtime: Power outages measured in €/minute; telco downtime in subscriber churn
  • National security implications: Some incidents trigger government intervention or nationalization risk
  • Supply chain: Single vendor failure can disable critical infrastructure; optionality has direct monetary value

Generic Enterprise

  • Ransomware: Primary quantifiable risk; use industry averages if client-specific data unavailable
  • Business interruption: Use revenue/day × estimated downtime
  • Reputation: Use customer acquisition cost × estimated churn from breach notification

The CFO Conversation: Key Metrics

When presenting to the CFO, lead with these metrics and no others:

  1. Expected loss without intervention (24 months): €[X]
  2. Program cost: €[Y]
  3. Risk reduction ROI: [Z]%
  4. Cash payback period: [X] days
  5. Probability of material incident: [before]% → [after]%

Everything else is supporting detail.


Template Appendix: Client-Specific Worksheets

Worksheet 1: Revenue at Risk

Annual revenue:                     €_________
Revenue per day:                    €_________ (annual / 365)
Critical system downtime tolerance: _________ days
Revenue at risk from downtime:      €_________ (revenue/day × tolerance)

Worksheet 2: Regulatory Fine Exposure

Global turnover (if applicable):    €_________
Applicable regulation:              [DORA / NIS2 / National / None]
Maximum fine %:                     _________%
Maximum fine €:                     €_________
Probability of fine (current):      _________%
Expected fine exposure:             €_________

Worksheet 3: Cloud AI Cost Trajectory

Current monthly cloud AI spend:     €_________
Projected 24-month spend:           €_________
Local AI infrastructure cost:       €_________
Break-even month:                   _________
24-month savings:                   €_________
Data leakage risk (narrative):      [Eliminated / Reduced / Unchanged]

For the board conversation guide, see C-Suite Conversation Guide. For the one-page executive summary, see Executive Summary.