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Accounting and professional services Illustrative engagement

Written information security plan and a cyber-insurance renewal passed at a tax and accounting firm

An accounting and tax firm of about 35 people, a leader in its segment.

Scale
1 written plan, 1 Microsoft 365 tenant, ~35 users, 41 laptops, 1 renewal questionnaire of 62 questions
Engagement
6 weeks from kickoff to renewal, ahead of the busy season

The challenge

The firm handles Social Security numbers and bank details for hundreds of households and small businesses. Its insurer sent a renewal questionnaire that asked for multi-factor authentication on all email, endpoint detection, tested backups and a written security program, and the partners had none of the last three on paper. A wrong answer risked a higher premium or a declined renewal, and nobody at the firm owned the plan the FTC Safeguards Rule expects.

What our team delivered

  • Gap review against the questionnaire and the IRS Publication 4557 checklist, with a one-page list of what was true, partly true and missing
  • A written information security plan built from the IRS template and tailored to the firm: a named qualified individual, a risk assessment, access rules, an incident response plan, vendor oversight and a yearly review date
  • Phishing-resistant multi-factor authentication for partners and admins, authenticator-based sign-in for everyone else, and legacy authentication blocked
  • Endpoint detection and response on all 41 laptops, disk encryption verified, and a patch cadence with a measured time to patch
  • Backups with a copy the firm's own accounts cannot delete, and a restore test of the client file share with the result written down
  • An evidence pack for the insurer: screenshots, policy exports and dated test results mapped one to one to each questionnaire answer, plus a short training record for all staff

Result

Every answer on the 62‑question renewal was backed by a document, the renewal went through without a follow-up round, and the firm now has a plan its partners can explain to a client or an auditor. Median time to patch fell from 19 days to 6. The plan is reviewed on a set date each year. This is an illustrative engagement that describes the kind of work our team does; details are composite.

Get this for your company

Related services with fixed prices and a written scope.

Initial assessment of public endpoints

What an attacker can see and reach from the internet: your domains, mail, websites, remote access and cloud exposure.

Report within 5 business days of kickoff

$1,000 per assessment

Details

Insurance-ready bundle

The three things cyber insurers and clients ask for most: an external assessment, a phishing simulation for 25 users and a disaster recovery plan.

Assessment report in 5 business days; plan draft in 15 business days

$5,400 per bundle, phishing simulation for 25 users

Details

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Managed IT and security (MSP)

One monthly price per team member: help desk, device management, patching, backup monitoring and security basics.

Onboarding starts within 10 business days

$100 per team member, per month

Details

Phishing simulation

A realistic, authorized phishing campaign with short training for anyone who clicks. Priced per person.

Campaign launches within 5 business days of approval

$12 per user, per campaign

Details

Managed security monitoring

Endpoint detection and response watched by our analysts, priced per device.

Agents deployed within 7 business days

$18 per endpoint, per month

Details

After you purchase, we contact you within 1 hour, any time of day or night, to start onboarding.

No payment is taken online. When we call you within the hour we confirm the scope and send an invoice (ACH, card or crypto).

The evidence pack and who asks for what

Twelve artefacts a firm can show about its AI use, and the party that most often asks for each: an insurer at renewal, an auditor or client questionnaire, or a regulator. A typical pattern only; the exact list depends on the policy, framework and sector.

The evidence pack and who asks for whatTable of twelve evidence artefacts against three audiences: insurer, auditor or client questionnaire, and regulator. Inventory, human approval points, a named owner and an incident plan are usually asked by all three. Payment procedure and drill records are mainly an insurer topic. Action and prompt logs and test records matter most to auditors and regulators.Twelve artefacts, three audiencesUsuallySometimesRarelyInsurerat renewalAuditoror client questionnaireRegulatoror supervisor1. AI inventory: every tool and agent2. Agent permission matrix3. Action and prompt logs4. Human approval points5. Test and evaluation records6. Payment verification procedure7. Payment drill record8. Named accountable owner9. Supplier and model list10. Data-use and retention rules11. Incident and rollback plan12. Staff training recordQualitative pattern, not a checklist from any one insurer or regulator.

Every sign-in, verified

Staff sign in once, but behind the scenes the device, the identity, a phone approval and your access policy are all checked before any app opens, and strangers are turned away.

Every sign-in, verifiedDiagram of user authentication. A user signs in; the device is checked for MDM and Intune compliance; the identity provider, Active Directory or Entra ID, verifies the account; an MFA push is approved on the user's phone; conditional access evaluates the policy; and access is granted to email, ERP and files. On a second pass, a sign-in from an unknown device in a new location is blocked by the conditional access policy. VERIFIED SIGN-INUserSigns inDevice checkMDM · IntuneIdentityAD · Entra IDMFA pushPhone approvalConditionalaccessPolicy checkEmailERPFilesUnknown deviceNew locationApprove?Blocked

Critical patches in days, not months

Distribution of days from vendor patch release to deployment for critical-severity CVEs, before and after a managed patching service. The dashed line marks two weeks: under CISA BOD 22-01, US federal agencies must remediate Known Exploited Vulnerabilities within two weeks for CVEs assigned in 2021 or later (six months for older ones). Private organisations are not bound by it, but it is a sensible benchmark. Illustrative figures.

Critical patches in days, not monthsGrouped bars of the distribution of days to patch critical CVEs, percent of patches. Before: 0 to 3 days 4, 4 to 7 days 8, 8 to 14 days 14, 15 to 30 days 26, 31 to 60 days 24, 61 to 90 days 14, over 90 days 10. After managed patching: 22, 40, 28, 7, 2, 1, 0. A dashed line at 14 days marks the CISA KEV remediation window. 26 percent were patched within 14 days before, 90 percent after.Days to patch, critical CVEs (% of patches)Before: ad hoc patchingAfter: managed patching0%10%20%30%40%4%22%0–38%40%4–714%28%8–1426%7%15–3024%2%31–6014%1%61–9010%0%90+days from patch release to deployedCISA KEV window: 14 days26% → 90%patched within 14 daysBOD 22-01: 2 weeks (CVE from 2021), 6 months (older). Each series sums to 100%.

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