ISO 27001 practical tips: Direct steps for a secure organisation
17 min read

ISO 27001 practical tips: Direct steps for a secure organisation

Written By
Dennis van de Wiel
Last Updated On
Dec 23, 2025

Most teams starting with ISO 27001 get stuck at the same point: they understand what needs to happen, but not how to approach it practically. Policies remain dormant, risks aren't prioritised, and nobody knows exactly who's responsible for what. This guide offers concrete handles to start today with a workable information security management system.

The biggest practical bottlenecks in ISO 27001 implementation

Before diving into solutions, it's valuable to understand why so many organisations get stuck. The problem rarely lies in knowledge or motivation, but in translating requirements into daily operations.

Fragmented responsibilities often form the biggest stumbling block. Everyone feels somewhat responsible for information security, but nobody fully. The IT manager thinks the operations manager is handling it, whilst they assume the COO has the overview. The result is that crucial tasks fall between the cracks.

Policies that aren't applied are the second pain point. Many organisations write extensive policy documents that subsequently disappear somewhere in a shared drive. Employees don't even know of their existence, let alone know or apply the content. The gap between what's on paper and what happens in practice keeps growing.

Unclear priorities make it impossible to make focused choices. Without a clear picture of which risks truly matter, every possible scenario becomes equally important. Teams drown in a sea of theoretical threats without knowing where to best invest their energy.

Lack of structure for evidence ensures teams panic just before the audit. Controls have been implemented, but nobody tracked when, by whom, or with what result. Collecting evidence becomes a frustrating search through emails, screenshots, and loose documents.

ISO 27001 made practical: where you can start today

The strength of ISO 27001 lies precisely in its flexibility. The standard doesn't prescribe specific solutions but asks you to choose controls that fit your organisation. This freedom may feel overwhelming, but is actually your greatest advantage.

Determine the most important information you need to protect

Start by mapping your crown jewels. These are the information assets crucial to your business: customer data, source code, trade secrets, financial administration. Gather your key stakeholders for a two-hour session and systematically work through which information is truly valuable.

Use three questions to assess the importance of information. First: is it serious if this information is stolen? This concerns confidentiality. A leaked customer list can damage your competitive position, whilst public marketing texts pose no problem. Second: how serious is it if this information turns out to be incorrect? This concerns integrity. Incorrect financial data can lead to wrong decisions, whilst a typo in a blog post has less impact. Third: how serious is it if this information is unavailable for an hour, day, or week? This concerns availability. If your webshop is down for a day, you directly lose revenue, whilst an internal wiki can be offline for a day.

With these three dimensions, you can clearly prioritise which information deserves the most protection. Create a top five of datasets or information flows where a problem would have the greatest impact on your business.

Identify which assets protect this information

Now that you know which information needs protection, determine which IT software, people, and physical locations must be secure to realise that protection. These are your critical assets.

For IT software, think of servers running databases, cloud platforms hosting your applications, development environments containing source code, and backup systems. For people, it concerns employees with privileged access such as system administrators, developers with access to production systems, contractors working on sensitive projects, and suppliers managing your infrastructure. For physical locations, look at offices where workstations with access to sensitive data are located, and even home offices of employees with crucial access.

Per asset, determine how secure it must be to ensure the confidentiality, integrity, and availability of your important information. A database with financial transactions requires strict access controls and encryption, whilst an internal wiki with general documentation is less critical.

Analyse threats and weaknesses per asset

Next, identify which factors could threaten your critical assets. Think of a hacker breaking into a critical system, ransomware encrypting your files, an employee accidentally deleting data, or a cloud provider experiencing an outage making your services unavailable for hours. These are external threats.

Also determine what you already know are weaknesses. Perhaps an important system runs on outdated software that's no longer supported, a critical application lacks multi-factor authentication, encryption is missing on certain databases, or access rights have never been systematically cleaned up. These are your vulnerabilities.

The combination of threats and vulnerabilities determines how large the risk is per asset. An outdated system with known security vulnerabilities that has access to your intellectual property poses a much greater risk than an up-to-date system with limited privileges. Focus on the most important software, people, and physical locations where the greatest risks lie.

Inventory current controls and determine improvements

Now that you know where your risks lie, inventory per critical IT asset what you're already doing in terms of security controls. Think of access security such as passwords and multi-factor authentication, backups that are regularly made and tested, software updates that are executed timely, logging of important events, and firewall rules that block unwanted traffic.

Then use Annex A from the ISO 27001 standard as a checklist to determine which controls you still need to improve or add. Annex A contains 93 standard security controls divided across categories such as access control, cryptography, physical security, and incident management. You don't have to implement everything, but must be able to explain per control whether it's relevant for your situation and if so, how you've configured it.

Create an action plan with concrete steps and deadlines. Prioritise actions that tackle multiple risks simultaneously and are relatively simple to implement. A control like multi-factor authentication solves multiple access risks at once, whilst technically it can often be implemented within a day.

Assign clear owners per component and move to execution

Without clear responsibilities, information security remains something "someone will do". For small teams, you don't need to make this complicated with extensive models. Keep it simple and practical.

Divide your ISMS into logical components such as access control, data classification, incident response, supplier management, and awareness. Assign one person per component who ensures it gets done. Full stop.

For a small team, this could look like: your IT person handles access control and logging, your operations person does supplier management, your HR person ensures awareness and training, and the founder or CEO maintains the overview and makes decisions about risks and budget. Everyone knows exactly what their remit is and who they can approach with questions.

Record this division in a simple table or list that you share during team meetings. Ensure everyone knows who to approach for specific questions. This is the moment to move to the DO phase: set out actions according to your action plan and begin concrete execution.

Practical ISO 27001 tips for teams

Now that you've laid the foundation, these practical tips make the difference between a paper tiger and a working system.

Make policies short and applicable

Forget policy documents of twenty pages full of legal jargon. Nobody reads them, let alone applies them. Instead, write policies of maximum two pages with concrete behavioural rules.

An effective password policy doesn't say "passwords must meet industry standard complexity requirements", but "use the password manager we've set up for you and activate 2FA via your phone". A clean desk policy doesn't say "employees must leave their workplace in a state that exposes no confidential information", but "put your laptop in your backpack and don't leave documents open on your desk when you leave".

Test your policies by asking a new employee to read and summarise them. If they can't explain what's expected of them within five minutes, your policy is too complex. Simplify until the core message is crystal clear.

Automate checklists and tasks

Human memory is unreliable for repetitive tasks. Why would you depend on someone's memory to review access rights monthly or perform quarterly checks?

Set up recurring tasks in your project management system with automatic reminders. Create templates for standard processes such as onboarding, offboarding, and security reviews. When these processes are automated, compliance becomes part of the normal workflow instead of an extra task that's easily forgotten.

A compliance automation platform goes even further by not only managing tasks, but also automatically collecting evidence and generating reports. This transforms weeks of manual work into a few clicks.

Combine onboarding with security controls

New employees form a natural moment to introduce security policies. Instead of a separate security training a few months after starting, integrate this directly into the first working day.

Have IT staff explain during equipment handover why 2FA is important and how the password manager works. Have the HR manager discuss the clean desk policy and GDPR obligations whilst going through company rules. Ask new colleagues to complete a short quiz about the most important security policies before they gain access to sensitive systems.

This approach ensures security isn't an afterthought, but an integrated part of how you work. Employees start with the right mindset and habits instead of having to unlearn old unsafe practices later.

Record evidence without manual work

Collecting evidence for audits doesn't have to be a nightmare. With the right approach, you automatically build an audit trail whilst doing your regular work.

Use tools that have built-in logging and reporting. Cloud platforms such as Google Workspace, Microsoft 365, and AWS automatically generate audit logs. Identity management systems track when accounts are created and deleted. Backup systems show when backups were successfully executed. Collect these logs in a central location instead of letting them spread across dozens of dashboards.

For manual processes such as security awareness training or risk assessments, create a brief report immediately after completion with date, participants, and key outcomes. Add relevant attachments and archive everything in a structured folder structure with clear naming.

A GRC platform centralises all this and automatically links evidence to the right controls. You no longer have to manually search through folders to demonstrate you meet requirements.

Implement access control as first concrete control

Access control forms the foundation of information security and is often the fastest way to achieve major security gains. Start with these three concrete actions.

Limit the number of administrators to the absolute minimum. Many organisations have dozens of accounts with admin rights whilst only a few people truly need these privileges. Review all admin accounts and downgrade everyone who isn't a system administrator to standard user rights. This drastically reduces the risk of unintended damage or abuse.

Turn on multi-factor authentication for all critical systems. Start with your email, cloud platforms, financial systems, and development environments. Most modern platforms have 2FA built in via authenticator apps or SMS. This single step blocks the vast majority of account compromises, even if passwords are leaked.

Plan a recurring task to periodically monitor access rights. Put a monthly reminder in your calendar to check who has access to critical systems and whether this access is still needed. For small teams this can be quarterly, for fast-growing teams perhaps even monthly. The point is that departures, role changes, or project completions don't lead to lingering accounts with unnecessary access.

Cybersecurity × ISO 27001: the right sequence of actions

The question isn't whether you should start with information security, but when and how. This timeline provides guidance for growing organisations.

0 to 14 days: the foundations

In the first two weeks, lay the foundation without getting lost in details. Start with the informal controls you probably already partly have: 2FA on critical accounts, regular backups, and basic virus scanning. Document what you're already doing before adding new things.

Organise a kickoff meeting with your core team to gain commitment. Discuss why information security is important for your specific situation and assign the first responsibilities. Identify your most important information assets with the three questions about confidentiality, integrity, and availability.

Establish a fortnightly or monthly rhythm for security discussions, even if these are short initially. Consistency is more important than perfection. Implement your first concrete steps for access control: limit admins, turn on MFA, and plan a task to monitor this periodically.

14 to 60 days: creating structure

In the coming weeks, create structure in what you do. Write your first policies based on templates, but adapt them to your reality. Three to five short policies are enough to start with: access control, acceptable use of IT resources, data classification, incident response, and clean desk.

Conduct your first formal risk assessment according to the steps described earlier: identify your critical assets, analyse threats and weaknesses, and inventory current controls. Document the outcomes and create an action plan with concrete steps and deadlines.

Start collecting evidence in a structured way. Create a folder structure where all security-related documentation is stored. Turn on logging for your most important systems and test whether you can actually look back at what happened.

60 to 90 days: becoming operational

In the final month, make security part of your normal business operations. Implement the controls from your action plan step by step. Prioritise actions that tackle multiple risks simultaneously and are relatively simple to implement.

Organise your first security awareness session for the entire team. Keep it practical and interactive instead of a dry PowerPoint presentation. Have people practise recognising phishing emails or safely handling confidential information.

Conduct an internal review of your progress. What's working well? What are you running into? Adjust your approach based on these insights. This is also the moment to consider whether you want to head towards ISO 27001 certification in the short term or first want to further professionalise.

Common mistakes that are easy to avoid

Learn from others and avoid these classic pitfalls that cost much time and energy.

Choosing too large a scope is the number one mistake. Beginning organisations try to make their entire business compliant at once, including systems that are barely used. Limit your scope initially to your core business processes and the systems involved. You can always expand the scope after you've got the hang of it.

Policies that don't align with practice happens when you adopt templates without thinking. A policy prescribing that all code reviews must be approved by three developers doesn't work if you only have two developers. Adapt policy to your reality, not the other way around.

No internal rhythm means security remains ad hoc. Without fixed moments for reviews, updates, and discussions, it disappears from the agenda as soon as something urgent happens. Block fortnightly or monthly moments specifically for security and treat these as non-movable.

Evidence without system leads to panic before audits. Sporadically saving screenshots and documents without clear structure makes it impossible to find later what you need. Define from day one where which type of evidence is stored and how files are named.

Example of a workable ISO 27001 rhythm

A successful ISMS runs on consistent routines that aren't too heavy to sustain. This rhythm works for most small teams.

Fortnightly or monthly keeps security top-of-mind without being overwhelming. Plan every two weeks or month a short standup of 15 minutes with your security responsible persons. Discuss current issues, confirm planned tasks have been executed, and flag new risks. This is sufficiently frequent for small teams that aren't yet complex.

Quarterly checks go slightly deeper. Review access rights for all your important systems: does everyone who has access still need it, and do new employees have all required rights? Review your incident log and analyse patterns. Execute your patch management routine for systems that don't update automatically. Discuss progress on your action plan and adjust where necessary. Check whether backups are still running successfully and test a restore to verify you can actually recover if needed.

Half-yearly reviews provide the moment to look more strategically. Re-evaluate your most important risks: have new risks emerged, have old risks decreased? Review whether your policies still fit how you work. Evaluate effectiveness of your controls: are they doing what they should, or are adjustments needed? Plan security awareness activities for the coming half year. This rhythm is realistic for small teams and prevents compliance from becoming a continuous burden.

Audit preparation starts at least two months before the planned audit. Collect all required evidence in one place and check for gaps. Conduct an internal audit where someone critically reviews your documentation as if they were the external auditor. Address identified gaps directly and document your improvement plans. This prevents unpleasant surprises during the actual audit.

How Tidal Control helps with practical ISO 27001 execution

Automation transforms ISO 27001 from an administrative burden into a strategic advantage. Our platform is specifically built for growing teams who want to become compliant quickly without getting lost in complexity.

The risks module guides you through identifying and assessing risks with predefined templates and best practices. The system automatically suggests appropriate controls per risk and tracks the implementation status. You see at a glance which risks need the most attention and which are adequately controlled.

Policy center offers ready-made policy templates you can adapt to your situation within an hour. They contain concrete examples and instructions instead of vague requirements. You can literally copy them, fill in some organisation-specific details, and use them directly. Version control ensures you always know which version is current and what has changed. Automatic review reminders alert you when it's time to revise a policy, so your ISMS doesn't become outdated.

Monitoring and evidence are automatically collected where possible. The platform links evidence to specific requirements, so during an audit you can directly show you meet certain requirements. Automated evidence collectors retrieve data from your systems without manual work.

Your next steps

ISO 27001 doesn't have to be a years-long ordeal. With the right approach and tools, most growing teams can be certified within three to six months, whilst also actually becoming more secure.

Start this week by identifying your most important information assets and implementing basic access control. Plan your first fortnightly or monthly security standup and assign clear responsibilities. Choose one policy to write and implement before moving to the next.

If you're ready to accelerate the process with automation, book a demo to see how Tidal Control helps you move from intention to implementation. We'll show you how other growing businesses achieved their ISO 27001 certification within months instead of years, without extra headcount or external consultants.

The best day to start with information security was a year ago. The second-best day is today.