What Does a Cybersecurity Assessment Actually Check?

"You cannot protect what you have not properly assessed."

A VPN account may still be live for someone who left months ago. A firewall rule may never have been reviewed. A server may be running software its vendor no longer supports. None of this shows on a dashboard, yet any one of them can let an attacker in.

A cybersecurity assessment is a structured review of your systems, networks, devices, access controls and security processes. It identifies vulnerabilities and tests how well your current controls protect the business. It is more than a malware or vulnerability scan, because it examines how people, devices, applications and networks work together.

The risk is real. The UK Government's Cyber Security Breaches Survey 2025/2026 found that 43% of UK businesses, around 612,000, identified a breach or attack in the last 12 months. If you are comparing cyber security services, an assessment is the sensible first step.

What Does an Assessment Cover?

Is Your Network and Infrastructure Secure?

Assessors review firewalls, routers, switches, Wi-Fi, servers, VPNs, remote access, cloud connections, segmentation and internet-facing systems, looking for weak configurations. Security cannot be judged apart from the wider estate, so IT infrastructure management and security should be reviewed together. On a flat network with no segmentation, one compromised laptop can reach every server.

Who Has Access to What?

The review covers standard, privileged, shared and former-employee accounts, plus multi-factor authentication (MFA), password policy, admin rights and remote access permissions. The goal is least privilege: each person gets only the access their role needs. A compromised over-privileged account gives an attacker far more reach.

Are Known Vulnerabilities Patched?

Assessments check operating systems, applications, firewalls, VPN devices, network equipment, cloud services and endpoints. Verizon's 2025 Data Breach Investigations Report analysed more than 22,000 incidents and 12,195 confirmed breaches. It recorded a 34% rise in vulnerability exploitation, with perimeter devices and VPNs a key target. Security software alone cannot protect an unpatched device.

Are Endpoints and Email Protected?

This covers endpoint protection and EDR, email filtering, phishing defences, device encryption, software updates, USB controls, staff awareness and suspicious login detection. Attackers target employees because stolen credentials are often easier to use than breaking into infrastructure.

Can You Recover Your Data?

Assessors check where sensitive data sits, who can reach it, whether it is encrypted, and how often backups run. They also check whether backups are separated from the main network, tested and restorable. A backup you have never tested is not a recovery plan, and ransomware often targets backups first.

Are You Ready to Respond?

This section covers security policies, logging, monitoring, alert handling, breach reporting, escalation routes and staff responsibilities. According to the same government survey, only 25% of UK businesses have a formal incident response plan. Most breached businesses therefore react without a plan, which is why readiness deserves assessing alongside technology.

Is a Forgotten VPN Account or Unpatched Firewall Exposing Your Business?
We review your network, access controls and endpoints across all six areas above, then return findings ranked from Critical to Low. Available to businesses across the UK, on-site or remote.
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What Happens After a Cyber Security Assessment?

How Are Findings Prioritised?

A useful report ranks each issue by likelihood and business impact, not just technical severity. It should also flag security gaps, configuration problems, access risks and compliance concerns.

Critical	Internet-facing vulnerability exposing business systems	Contain and fix immediately
High	Privileged account without MFA	Fix within days
Medium	Unsupported software on an internal device	Plan within the quarter
Lower	Configuration tweak with limited exposure	Include in routine maintenance

Why Review Network Infrastructure Alongside Security?

Many security weaknesses start within the network, from outdated equipment and weak segmentation to poorly configured remote access and limited visibility. A network infrastructure management company can review firewall configuration, VPN design, secure Wi-Fi, device management, monitoring and access controls together, helping businesses identify issues and implement fixes without creating conflicts.

Where Does SASE Fit Into Modern Security?

Secure Access Service Edge (SASE) delivers networking and security together from the cloud. Cato Networks SASE, for example, combines SD-WAN, firewall as a service (FWaaS), CASB, DLP, secure web gateways (SWG) and zero trust network access (ZTNA) for branches, remote users and cloud applications. Cato SASE suits some organisations, but not every business needs it. The assessment should determine the right fit based on your users, locations, applications, and existing equipment.

When Are Managed Services the Better Option?

Assessment shows you the current risk. Managed security monitors and improves it continuously. If your findings point to recurring work such as patching, alert review, firewall monitoring, endpoint protection, and regular reviews, cyber security managed services provide ongoing coverage and incident response instead of a one-off report.

Why Choose QCom Ltd?

QCom Ltd helps UK businesses assess and strengthen the security of the systems they rely on every day. As a network infrastructure management company, we look across your whole environment rather than treating security as an isolated issue. We support clients in London, Birmingham and across the UK.

Our capabilities include:

Cyber security and vulnerability assessments.
Network security and security configuration.
Remote working security.
Business continuity.
Managed IT and security support.
Practical remediation advice.

What Results Have Real Clients Seen?

BT Sport

Problem: An East London broadcast facility needed secure, reliable networking.
Solution: Network and security design using Cisco, Juniper and Fortinet, with more than 100 km of data cabling.
Result: A helpdesk supporting approximately 75 users.

Read the case study →

Global Pharmaceuticals

Problem: A multi-office network needed stronger protection and a move to the cloud.
Solution: Gateway firewalls, cloud migration, vulnerability assessments and security audits.
Result: 24/7 network and security support.

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HURLEY

Problem: Secure IT, remote access and communications for a growing business.
Solution: Network and server support, remote access and telephony.
Result: Expansion to 2 additional offices and approximately 70% savings versus equivalent in-house support.

Read the case study →

Curious How Firewalls, Cloud and Remote Access Projects Play Out?
See how three UK businesses secured broadcast networks, multi-office sites and remote teams.
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What Should You Do After the Assessment?

Fix critical vulnerabilities first.
Secure privileged and remote access with MFA.
Patch unsupported or vulnerable systems.
Improve logging and monitoring.
Test backups and recovery.
Address infrastructure weaknesses.
Schedule reassessments.

Conclusion

A good assessment shows what is exposed, why it matters, what to fix first and how to reduce future risk. Waiting for ransomware, which Verizon found in 44% of analysed breaches, or stolen credentials to reveal your weak points costs far more than finding them early. If you are weighing cyber security services, start with a clear picture of where you stand. QCom Ltd can provide it.

Is Your Business Certain Its Security Controls Are Working?
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Frequently Asked Questions

1. What is included in a cyber security assessment?

A. It covers networks, devices, applications, access controls, vulnerabilities, data protection, security policies, monitoring and incident response, then ranks the findings by business risk.

2. How long does an assessment take?

A. It depends on your number of users, locations and systems, and how deep the review goes. A single-office business needs far less time than a multi-site organisation, so we start with a scoping call.

3. How often should a business have one?

A. Regularly, and also after any major change: a new office, cloud migration, merger, application rollout or infrastructure upgrade. Each change can introduce new exposure.

4. Is a vulnerability scan the same as an assessment?

A. No. A scan finds technical weaknesses. An assessment also reviews infrastructure, people, access, policies, monitoring, response readiness and business risk.

5. What happens if a critical vulnerability is found?

A. The sequence is: validate, prioritise, contain where necessary, remediate, test, then monitor. Not every vulnerability means replacing equipment. Many can be fixed with patching or reconfiguration.