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Step 12: Build Security Maturity

Always Ready. (Not Just 'Audit-Ready')

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Make security part of your process

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The difference between a single audit and a trusted, resilient organization is proactive cybersecurity

The secret? How well you operationalize your security & compliance program.

It's time to maintain and strengthen what you've built—so you're always ready, not just audit-ready.

This step is where your Information Security Management System (ISMS) becomes a living, breathing part of your business operations—not just documentation on a shelf.

Security is an ongoing journey. The real work begins now.

Build, Operate, & Showcase Security

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A mature security and compliance program includes:

 

  • BUILD
    Establish a complete security program from risk assessment to program management and reporting.

  • OPERATE

    Create a simple process to create, distribute, execute and approve all relevant tasks.

  • SHOWCASE

    Demonstrate performance against security and risk goals to your auditors, management and third-parties.

Keys to Scalable Cybersecurity

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Follow Documented Processes (For Real)

Most companies say they follow processes. Mature organizations prove it.

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Action Steps:

  • Maintain process adherence with system logs and evidence collection
  • Train your team regularly on updated procedures
  • Audit your processes internally—not just annually, but as part of routine operations
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Secure as You Operate

Whether it’s a customer questionnaire, a regulator inquiry, or your next audit—your ability to show the receipts matters. 

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Action Steps:

  • Build a cadence to gather and update evidence (access logs, change records, training logs, etc.)
  • Make evidence collection a teamwide responsibility, not just a security task
  • Use a centralized system of record so you’re not scrambling when a request hits

 

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What to Avoid at This Stage

Great compliance programs support trust, enable growth, and make security a shared company value.

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Action Steps:

  • Letting your guard down after a successful audit
    Treat the certification or report as a snapshot, not a finish line.
  • Neglecting to update controls when your business changes
    Growth, new systems, or org shifts can quickly introduce gaps if not accounted for.
  • Treating compliance as siloed work
    Maturity happens when compliance is embedded across roles and departments.

 

Steps to a Mature Security Posture

 

 STEP

ACTION

DETAILS

Assign ownership for ongoing ISMS operation

Ensure someone is responsible for maintaining compliance tasks post-audit

Schedule quarterly risk and control reviews

Include leadership in reviewing and updating key controls and policies

Automate evidence collection where possible

Use compliance tools or ticketing systems to log activities automatically

Train staff on security responsibilities

Reinforce security awareness and process adherence regularly

Conduct internal audits and gap assessments

Don’t wait for an external audit to catch issues—stay proactive

 

Need Help Getting Started?

Not every organization has the resources to build a compliance practice from the ground up.

So, we created a plug-and-play Security & Compliance Program to help you build a scalable compliance program 4x faster

Have an Expert Guide Me

Our Answers to Common QuestionsKevin Brown, ISO & Director of Professional Services, Ostendio

Kevin Brown

 ISO & Director of Professional Services


Kevin responds to your common questions.
 
Still not sure where to turn? Schedule a chat with Kevin or one of our GRC experts. 
What does it mean to have a secure ISMS?

Security maturity in compliance refers to the effectiveness of your organization’s security practices, processes, and controls to meet regulatory, industry, or internal standards consistently.

It reflects how well security is integrated into your operations - from basic reactive measures to proactive, optimized processes that adapt to evolving threats and requirements.

 

How can I measure my organization’s security maturity?

You're already on the right track (especially if you've followed this playbook),  using frameworks like NIST Cybersecurity Framework, HIPAA, or ISO 27001.

Continue to evaluate key areas, like policies and procedures, risk management, incident response, employee training, and technology controls.

Conduct gap analyses, internal audits, or third-party assessments to score maturity levels (e.g., initial, repeatable, defined, managed, optimized).

Track metrics like incident frequency, response times, and compliance audit outcomes to gauge progress.

This was my first audit. How do I achieve maturity?

Completing your first audit is a major milestone—but true security and compliance maturity go beyond a passing report. Maturity means building a system that evolves with your business, adapts to new risks, and weaves security into daily operations.

Start by reassessing your risk regularly, reviewing policies, and tracking remediation actions as part of an ongoing cycle.

Map out your next-stage goals (like cross-departmental ownership, automation, or expanding to additional frameworks), and treat each year as a step toward stronger, more proactive governance.

Everyone Secure.

Learn more by speaking to one of our experts