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Cyber Security Audit
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Cyber Security Audit · Independent Assurance

An independent answer to “how secure are we, really?”

Penetration tests probe the perimeter. Certifications attest the management system. The cyber security audit sits between them: an independent, evidence-based audit of your actual controls - configurations, access, logging, backups, response - against the framework or regulatory baseline you are held to. It is the audit a regulator, board or customer means when they say “get audited.”

You need Cyber Security Audit if…

  • !A sector regulator - financial, telecom, energy, or a national CERT - mandates a periodic cyber security audit by an empanelled or independent auditor.
  • !The board or audit committee wants an independent view of cyber posture, not the security team grading its own homework.
  • !A customer contract or due-diligence questionnaire requires an independent controls audit beyond a self-assessment.
  • !An incident - yours or a peer’s - has raised the question nobody can answer internally: would our controls have stopped it?
  • !Cyber insurance underwriting demands evidence of specific controls: MFA, EDR, tested backups, privileged access management.
  • !You run ISO/IEC 27001 or SOC 2 and want a deeper technical-controls audit between certification cycles.
What it is

An independent audit of technical and organisational security controls - identity and access, network and endpoint security, logging and monitoring, backup and recovery, incident response - against the framework or regulatory baseline that applies to you.

Who issues it

SIS security auditors issue the audit report with graded findings and a remediation roadmap. Where a regulator empanels auditors, the audit follows that scheme’s format.

Validity

Per audit cycle - regulated sectors typically mandate annual or more frequent audits; voluntary programmes repeat on risk.

Who gets asked for it

Banks and financial intermediaries, telecoms, utilities, healthcare, SaaS providers, and any organisation whose regulator, board or customers demand independent assurance.

6of 25 industries

Where this certification is demanded

Cyber Security Audit is applicable across 6 of the 25 industries SIS covers. The pages below set out the specific reason it comes up in each one.

Information Technology IndustryBanking and FinanceTelecommunication IndustryPublic SectorEnergy IndustryMedical Devices

What Cyber Security Audit Actually Requires

The backbone an implementer has to build, in the order it usually gets built.

1
Governance & scope

Policies, ownership, risk register and the audit baseline - which framework or regulatory circular the controls answer to.

2
Identity & access

Joiner-mover-leaver discipline, MFA coverage, privileged access management and the dormant accounts every audit finds.

3
Infrastructure security

Hardening, patching cadence, network segmentation, endpoint protection and cloud configuration against benchmark baselines.

4
Detection & logging

What is logged, what is monitored, what would actually raise an alarm - tested against realistic scenarios.

5
Resilience

Backup coverage, restoration actually tested, recovery objectives that survive contact with a ransomware scenario.

6
Response readiness

Incident response plan, roles, regulator notification timelines and evidence the plan has been exercised.

How Cyber Security Audit Process Works

No black box. A defined, time-bound route from first call to audit report and remediation roadmap.

Scoping & Baseline

Systems in scope, the framework or circular audited against, and the evidence plan - agreed before fieldwork.

2–3 days

Controls Fieldwork

Configuration review, access analysis, log and backup verification, interviews and sampled technical testing.

1–3 weeks

Findings & Roadmap

Graded findings with exploitability and business impact, and a remediation roadmap sequenced by risk.

within a week

Close-out / Re-audit

Remediation verified by evidence or re-test; the close-out report is what goes to the regulator, board or customer.

as items close
Critical exposures are reported the day they are found. The report is for the board; the phone call is for the same afternoon.

Industries That Need Cyber Security Audit

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Information Technology Industry
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Why it applies hereIT and SaaS companies hold other organisations’ crown jewels, so customers and regulators increasingly demand an independent controls audit beyond self-assessment. The audit answers due-diligence at depth and keeps the posture honest between certification cycles.Typical trigger: A key customer’s security review or contract renewal requires an independent controls audit.
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Banking and Finance
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Why it applies hereFinancial regulators mandate periodic cyber audits with defined controls, timelines and reporting - and attackers focus here for the same reason regulators do. The audit runs the mandated cycle and hardens what the last inspection flagged.Typical trigger: The regulator’s cyber audit cycle is due, or an inspection observation on cyber controls needs evidence-backed closure.
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Telecommunication Industry
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Why it applies hereCarriers are critical infrastructure with licence-linked security conditions: network security audits, lawful-interception controls and incident reporting. The audit evidences the licence conditions independently.Typical trigger: A licence-condition audit or national CERT directive requires an independent security assessment.
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Public Sector
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Why it applies hereGovernment systems hold citizen data and essential services, with national cyber frameworks mandating audits by empanelled or independent auditors. The audit closes the mandate and prioritises remediation on real risk.Typical trigger: A departmental cyber audit directive or post-incident review requires independent assessment.
⚡
Energy Industry
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Why it applies hereGrid and plant OT is now a primary attack surface, and regulators are extending cyber mandates from IT into control systems. The audit covers both estates and the gap between them.Typical trigger: A critical-infrastructure cyber directive or an OT security review is on the compliance calendar.
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Medical Devices
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Why it applies hereConnected devices and their cloud backends carry patient-safety-grade cyber expectations from regulators and hospital customers. The audit evidences device and platform controls against those baselines.Typical trigger: A hospital tender or regulatory submission requires independent evidence of product and platform security.

Commonly taken alongside

ISO/IEC 27001Information Security ManagementVAPTVulnerability Assessment & Penetration TestingSOC 2 Type 2Service Organization Control attestation
The three answer different questions: VAPT asks “can we break in?”, the cyber security audit asks “are the controls actually in place and working?”, and ISO/IEC 27001 or SOC 2 attests the management system around both.

Not Sure Which Certification You Need?

Three questions. The selector reads the same industry-to-standard mapping this whole site is built on, then shortlists what applies to you.

Question 1 of 3

Which sector best describes your organisation?

The breach report always lists controls that were “believed to be in place”

Believed. Not verified. The audit replaces belief with evidence while the finding is still a to-do item, not a headline.

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What Cyber Security Audit Changes for Your Business

Certification is not a certificate on the wall. It is a working system that pays for itself.

🏛️

Regulator-ready assurance

Where a sector regulator or CERT mandates periodic audits, the engagement is scoped and formatted to that scheme - filed, not improvised.

🎯

Findings ranked by real risk

Not a 400-row scanner export - graded findings with exploitability and business impact, sequenced into a roadmap a CIO can fund.

🕳️

The gaps between the tools

Most breaches walk through process gaps - the leaver with live access, the backup nobody restored. The audit hunts exactly there.

🤝

Customer due-diligence, answered

An independent controls audit closes security questionnaires that self-assessments cannot.

📜

Insurance evidence

MFA, EDR, tested recovery - the specific controls underwriters now require, independently verified.

🧭

A board-level picture

One independent report that tells the audit committee where posture actually stands - and what the next budget should buy.

Knowledge Base - Downloads

Practical documents prepared by our auditors. Fill the short form once and every download on the page unlocks.

CHECKLIST

Cyber audit readiness checklist

The registers, configurations and evidence auditors sample first - access reviews, patch records, backup tests, response drills.

MATRIX

Framework mapping matrix

How common regulatory baselines map onto ISO/IEC 27001 controls - audit once, answer several masters.

TEMPLATE

Incident response plan skeleton

Roles, severity ladder, regulator notification clocks and the communication tree - the plan the audit expects to see exercised.

GUIDE

Reading a cyber audit report

How findings are graded, what “compensating control” really means, and how to turn the roadmap into a funded programme.

🔒 Documents are locked. Fill the form once to unlock every download.

Frequently Asked Questions

Straight answers to what buyers ask before they commit to Cyber Security Audit.

How is this different from VAPT?
VAPT attacks the perimeter to find exploitable weaknesses. The cyber security audit examines the whole control environment - governance, access, configuration, logging, recovery, response - against a defined baseline. Regulators typically mandate the audit; VAPT is usually one input to it.
Which frameworks do you audit against?
The baseline you are held to: sector-regulator circulars, national CERT requirements, ISO/IEC 27001 controls, CIS benchmarks or a contractual security schedule. The baseline is fixed in scoping so findings are defensible.
Is this audit mandatory?
In regulated sectors, periodic independent cyber audits are commonly mandated - banks, intermediaries, telecoms, utilities and critical entities. Elsewhere it is the board’s or the customer’s requirement rather than the state’s.
Will the audit disrupt production systems?
No. Fieldwork is evidence- and configuration-based; any intrusive testing is scoped, scheduled and authorised separately, exactly as a VAPT would be.
We are ISO/IEC 27001 certified - why audit again?
Certification samples the management system on a cycle. The cyber audit goes deeper into technical controls at a point in time - and regulators and customers often require it in addition, not instead.
What if the findings are bad?
Then the audit did its job while the finding was still confidential. Critical items are flagged immediately, the roadmap sequences the fixes, and close-out verification documents the recovery.

Scope your cyber security audit

Tell us the sector, the regulator or framework you answer to, and the size of the estate - scope, audit days and fee within two business hours.

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