For many small and medium-sized enterprises in Nigeria, cybersecurity is still measured by what has been purchased rather than what has actually been protected. Antivirus is installed, business email runs through Microsoft 365 or Google Workspace, files are stored in the cloud, employee laptops are password-protected, and perhaps multi-factor authentication has been enabled on some important accounts. On paper, that can look like a reasonable security setup.
But ask different questions and the picture can change quickly. Who has administrator access to critical systems? When an employee leaves, how quickly is their access removed? When was the last time a backup was successfully restored? Which third-party providers can access sensitive information? If the company’s primary email account were compromised today, how would anyone know? And if ransomware disrupted operations tomorrow morning, who would make the first decision?
These questions expose an important distinction between having cybersecurity controls and having cybersecurity maturity. Cybersecurity maturity is not about achieving perfect security or recreating the security infrastructure of a multinational company.
It is about how consistently a business understands its exposure, implements appropriate controls, responds to incidents and improves its security over time. For SMEs operating in emerging economies such as Nigeria, where digital adoption is moving quickly, but specialist security resources may be limited, this distinction is particularly important.
Africa’s Digital Growth Is Expanding the Attack Surface
African businesses have undergone a significant digital transformation. A relatively small company can now accept digital payments, manage its finances online, communicate through WhatsApp, run email in the cloud, store customer information remotely and sell to people it may never meet physically. These capabilities have lowered barriers to doing business, but they have also created more opportunities for cybercriminals.
INTERPOL’s 2025 Africa Cyberthreat Assessment reported that cybercrime accounted for more than 30% of reported crime in Western and Eastern Africa. Among African member countries surveyed, two-thirds said cyber-related offences represented a medium-to-high share of reported crimes. Online scams, particularly phishing, were the most frequently reported cybercrime, while ransomware and business email compromise were also identified as significant threats.
Nigeria featured prominently in this threat landscape, with INTERPOL’s assessment citing 3,459 ransomware detections in Nigeria from the underlying threat data used in its analysis. This does not mean 3,459 Nigerian businesses suffered successful ransomware attacks, but it illustrates the level of malicious activity being detected within the country’s digital environment.
For SMEs, however, one of the most consequential attacks may begin with something far less dramatic than ransomware. It may begin with an email.
When One Email Account Becomes a Business Risk
Consider a small Nigerian logistics company employing 25 people. Invoices are exchanged through email, supplier payments are approved electronically, documents are stored in Microsoft 365, and management communicates through a mixture of email and WhatsApp. An attacker does not necessarily need to discover a sophisticated vulnerability in the company’s network. Compromising the right email account may be enough.
A phishing message captures an employee’s credentials. Once inside the mailbox, the attacker does not immediately reveal their presence. Instead, they observe how the company communicates, identify suppliers, see who approves payments and learn what legitimate invoices normally look like. Eventually, an email appears inside what seems to be an ordinary business conversation: “Please note that our banking information has changed. Kindly use the new account details for the outstanding payment.” Nothing particularly spectacular has happened technically, but operationally the consequences could be serious.
Business email compromise is effective because it exploits technology, identity, business processes and human trust at the same time. INTERPOL’s 2025 assessment identifies BEC activity across Africa, including concentrations associated with Nigeria and other West African countries, and notes that organisations ranging from SMEs to larger corporations have been affected.
This is where cybersecurity maturity becomes more useful than simply asking whether the company has email protection. A more mature question is: If an employee’s email account is compromised, what prevents that compromise from becoming a financial loss? The answer may involve MFA, stronger identity controls, monitoring unusual authentication activity and independent verification of changes to supplier payment information. No single control solves the problem; maturity comes from how those controls work together.
What Cybersecurity Maturity Actually Looks Like
Imagine two Nigerian businesses of roughly the same size. Both employ around 30 people, use cloud email, online banking, laptops, smartphones and a cloud-based customer management platform, and both have endpoint security installed.
At the first company, accounts are created whenever employees need them, but permissions are rarely reviewed afterwards. Several employees have administrator privileges because it makes resolving IT problems easier. MFA is optional, backups run automatically but have not been restoration-tested recently, and suspicious emails are simply forwarded to whichever colleague is considered “good with computers.” There is no agreed process for dealing with a cybersecurity incident.
The second company uses almost exactly the same technology. The difference is in how that technology is managed. Important accounts require MFA, administrator access is restricted, permissions are reviewed when employees change roles, and access is removed when people leave.
Critical information is backed up and restoration is periodically tested. Employees know where to report suspicious activity, and the company has agreed what should happen if an account or device is compromised. The second organisation may not spend dramatically more on cybersecurity; it has simply made security more consistent, repeatable and connected to risk. That is cybersecurity maturity.
Security Should Begin With the Business, Not the Product
One of the easiest mistakes for an SME to make is starting its cybersecurity strategy by asking what security product it should buy. The better starting point is understanding what the business actually depends on. For one company, its most valuable digital asset may be its customer database. For another, it could be business email, an e-commerce website, intellectual property, cloud applications or access to payment systems.
Once those dependencies are understood, cybersecurity becomes a business-risk conversation rather than simply an IT conversation. An online retailer may be particularly concerned about availability because website downtime could immediately stop revenue. A legal or accounting practice may be more concerned about confidentiality because exposure of client information could create serious regulatory and reputational consequences. A logistics company may depend heavily on the integrity and availability of operational information.
The technical systems differ, and so do the consequences of compromise. That is why cybersecurity maturity cannot simply mean copying another company’s security checklist. Controls need to be evaluated in the context of the organisation they are protecting.
Identity Has Become Part of the Security Perimeter
The traditional image of cybersecurity involves protecting an office network behind a firewall. Modern SMEs increasingly operate differently. Employees access cloud applications, documents and email from different locations and devices, meaning a successful login can give an attacker access to resources that once would have required access to the corporate network.
The question is therefore no longer simply whether employees have passwords. A business needs to understand who can access its most important systems, which users have elevated privileges and whether those permissions are still necessary. An employee may, for example, receive access to financial systems while temporarily assisting another department and retain those permissions long after their role changes. If the account is later compromised, the attacker inherits access the employee no longer needed in the first place.
Mature access management treats identity as a lifecycle. Access is granted, reviewed, adjusted and eventually removed. MFA adds another important layer, but context still matters. An organisation can technically claim to use MFA while leaving a critical administrator account protected only by a password. A security control existing somewhere in the organisation is not the same as that control protecting the risk that matters.
Visibility Extends to Devices, Data and Recovery
Growing SMEs accumulate technology quickly. A new employee gets a laptop, someone subscribes to a cloud application to solve an immediate problem, an old computer remains connected because it still performs one useful task, or an employee stores company documents on a personal service because it is convenient.
Over time, the business develops an attack surface it may not completely understand. That makes asset visibility one of the foundations of maturity because a company cannot consistently patch, monitor or protect systems it does not know exist.
The same principle applies to data. “We have backups” sounds reassuring until somebody asks whether those backups can actually be restored. A backup that has never been tested is an assumption. If ransomware can reach both production data and backups connected to the same environment, the organisation may discover during an incident that its recovery strategy was much weaker than expected.
The more useful question is therefore not simply whether backups exist, but how long it would take to restore the systems the business depends on. That changes backup from a technical checkbox into a business-resilience question.
The Human Problem Is Also a Process Problem
Employees are frequently described as the “weakest link” in cybersecurity, but that explanation is incomplete. People make decisions within the processes organisations create. Imagine an accounts employee receives an urgent email apparently from the managing director asking for an immediate payment to a new account.
Security-awareness training may help the employee recognise something suspicious, but if company procedure allows a single email to authorise the payment, the employee is not the only weakness. The business process is weak too.
A more mature organisation assumes that people will occasionally make mistakes and designs controls around that reality. A change to supplier banking information might require independent verification. Sensitive requests may require approval through another channel. Employees should have a clear way of reporting suspicious activity without needing to understand which technical team owns the problem.
The objective is not to create employees who never make security mistakes. It is to ensure that one mistake does not automatically become a major incident.
What Happens After Something Goes Wrong?
Cybersecurity maturity becomes particularly visible during an incident. Imagine an employee discovers that their Microsoft 365 account has been compromised. Someone needs to disable or secure the account, terminate malicious sessions, inspect suspicious mailbox rules, determine whether other accounts were affected, establish what information the attacker accessed and decide whether customers, partners or regulators need to be informed.
If those responsibilities are being discussed for the first time while the incident is unfolding, valuable time is already being lost. An SME does not need a 24-hour Security Operations Centre to prepare for this. Even a concise incident-response procedure can establish responsibilities, escalation routes, external contacts and immediate containment actions.
The objective is not bureaucracy. It is reducing uncertainty when time matters.
Moving Beyond the Cybersecurity Checklist
This is why a useful security assessment should do more than ask whether controls exist. Consider a simple question: Is multi-factor authentication enabled? If the answer is no, a weakness has been identified, but the organisation still does not understand the risk.
Now imagine the account without MFA belongs to the company’s finance administrator. It has access to supplier records and sensitive financial information. The employee regularly receives external email, while phishing and business email compromise are recognised threats in the environment. The assessment now has context: there is a valuable asset, a credible threat, a vulnerability, existing controls, a likelihood of exploitation and a potential business impact.
Conceptually, the relationship looks like this:
Asset → Threat → Vulnerability → Existing Controls → Likelihood → Impact → Risk
The finding is no longer simply “MFA isn’t enabled.” It becomes: A high-value financial account exposed to a realistic credential-theft threat lacks an important authentication control. That is something management can make a decision about. It is also the difference between completing a cybersecurity checklist and performing a risk assessment.
Why a Security Score Is Not a Security Strategy
Security assessments often end with a number: perhaps 58%, a “developing” maturity rating or a high-risk classification. Numbers are useful because they make complex information easier to communicate, but they can also create false precision. Two organisations with identical scores might have completely different exposures. One may have excellent access controls but no reliable recovery capability, while another has tested backups but excessive administrator privileges.
Knowing that both scored 58% does not tell either company what it should do on Monday morning. A meaningful assessment needs to explain which weaknesses matter most, why they matter and what realistic improvement should happen next.
For SMEs operating with constrained cybersecurity budgets, prioritisation may therefore be more valuable than the score itself. Not every weakness can be fixed simultaneously. Risk assessment helps determine which ones should not wait.
Maturity Must Match the Business
A 20-person Nigerian professional-services company should not be made to believe that cybersecurity begins with building a 24-hour SOC, purchasing several enterprise platforms and hiring a large security team. Its immediate exposure may be reduced far more effectively by enforcing MFA, removing unnecessary administrator privileges, patching devices, protecting business email, testing backups, introducing payment-verification procedures and establishing what should happen during an incident.
These controls may sound less sophisticated than deploying another enterprise security platform, but cybersecurity maturity should be proportionate to the organisation’s exposure, resources and dependence on technology. As the company grows, its security capabilities should grow with it.
The question is therefore not “How do we implement everything?” It is “What is the most important improvement for our business at its current stage?”
From Assessment to Continuous Improvement
Cybersecurity maturity is better viewed as a continuous process than a destination. A business begins by understanding the systems, information and services it depends on. It assesses the threats, vulnerabilities and existing controls surrounding those assets, then prioritises the resulting risks according to their likelihood and potential business impact.
Controls are implemented, but the process should not end there. They need to be validated. Can the backup actually be restored? Does MFA protect the accounts that matter? Have unnecessary administrator privileges really been removed? Does the incident-response procedure work when tested?
As employees, suppliers, technology and threats change, the organisation reassesses. In simple terms, the process becomes: Identify, Assess, Prioritise, Improve, Validate, Reassess. The value of this approach is not complexity; it is repetition. Cybersecurity stops being something the company thinks about only after an incident and becomes part of how operational risk is managed.
Making Cybersecurity Assessment More Accessible
The challenge facing SMEs in Nigeria and other emerging economies is not that cybersecurity knowledge does not exist. Established frameworks, standards and technical guidance already provide extensive information about good security practices. The harder problem is translating that information into an answer a smaller organisation can actually use: What should we fix first?
This problem has informed the development of the Security Posture Risk Assessment Toolkit, a web-based project exploring how structured security assessments can be made more accessible to organisations without large cybersecurity teams. The toolkit uses structured questions across different areas of security posture to identify potential weaknesses, evaluate risk and translate the results into prioritised recommendations. The intention is not to replace professional security assessments, penetration testing or established cybersecurity frameworks, but to explore how the principles behind structured risk assessment can help smaller organisations understand their starting point.
An assessment should therefore not finish by simply telling a company, “Your security score is 58%.” It should help the organisation understand where it is exposed, why that exposure matters, how serious the risk is and what should happen next. For resource-constrained SMEs, that difference matters.
Nigeria’s SMEs Don’t Need Perfect Cybersecurity
Perfect cybersecurity does not exist. Businesses change too quickly for security to remain static: employees join and leave, new cloud applications are adopted, suppliers change, devices are replaced, new customer information is collected, and attack techniques evolve.
The objective for Nigerian SMEs should therefore not be to recreate the cybersecurity infrastructure of a multinational bank. It should be to understand their own exposure and improve it consistently. A business should know what it depends on, who has access, whether its critical information can be recovered, what happens when something goes wrong and which risks deserve attention first.
Cybersecurity maturity is ultimately not about accumulating security products. It is about developing the ability to make better security decisions with the resources available. Before an organisation can decide where its cybersecurity needs to go next, it first needs to understand where it actually stands.
References
INTERPOL (2025). Africa Cyberthreat Assessment Report 2025. INTERPOL Cybercrime Directorate.
INTERPOL (2025). New INTERPOL report warns of sharp rise in cybercrime in Africa. Published 23 June 2025.
INTERPOL (2025). Operation Red Card: More than 300 arrests as African countries clamp down on cyber threats. Published 24 March 2025.
