Cyber Essentials is the UK Government’s baseline cyber security certification – designed to help organisations protect themselves from the majority of common cyber threats.
Yet despite its clear benefits, we regularly hear the same misconceptions from businesses of all sizes. These myths can stop organisations from taking a simple, affordable step that could significantly reduce their cyber risk.
In this article, we’ll bust the five most common myths about Cyber Essentials and show you why they shouldn’t hold you back.
Myth 1: “Cyber Essentials is only for big businesses”
Reality: Cyber Essentials is for any UK organisation, regardless of size or sector.
Whether you’re a sole trader, a small charity, or a large enterprise, the scheme’s five security controls can be applied to your environment. In fact, smaller businesses are often more at risk of cyber attacks because they’re perceived as easier targets.
Certification shows clients, partners, and suppliers that you take security seriously — a trust signal that can make a big difference in winning contracts.
Myth 2: “It’s too complicated and time-consuming”
Reality: The process is designed to be as straightforward as possible, particularly with the right guidance.
If you already have the required security measures in place, you can complete our self-assessment package online in as little as two working days. For organisations that want additional guidance, our expert-supported package includes tailored consultation sessions with an assessor who will:
- Answer your questions
- Review your readiness
- Provide advice on tricky areas of the questionnaire
The aim is to simplify the process so certification is achievable without disrupting your operations.
Myth 3: “It doesn’t make much difference to security”
Reality: Implementing Cyber Essentials’ five key controls can block up to 80% of common cyber attacks. These include:
- Firewalls & Internet Gateways – stopping unauthorised access to your network
- Secure Configuration – removing unnecessary vulnerabilities from devices and systems
- User Access Control – ensuring only authorised users can log in and access sensitive data
- Malware Protection – defending against viruses, ransomware, and other malicious software
- Patch Management – applying security updates quickly to close known vulnerabilities
These aren’t theoretical safeguards — they address real-world attack methods that criminals use every day.
Myth 4: “It’s not required for my organisation”
Reality: While not every business is legally required to have Cyber Essentials, it’s increasingly a minimum expectation in supply chains.
Many UK government, Ministry of Defence (MOD), NHS and local authority contracts require at least Cyber Essentials certification – and in some cases, Cyber Essentials Plus – as a condition for bidding.
Even if you’re not working with public sector clients right now, being certified positions you to take advantage of opportunities in the future and demonstrates compliance with recognised security standards.
Myth 5: “Cyber Essentials Plus is the only one worth having”
Reality: Cyber Essentials Plus offers a higher level of assurance with hands-on testing — but it builds directly on the standard Cyber Essentials certification.
For most organisations starting out, the standard certification is the right first step. It’s cost-effective, quick to achieve, and lays the groundwork for Cyber Essentials Plus.
Think of Cyber Essentials as building the foundation, and Cyber Essentials Plus as adding an extra layer of validation. Without the foundation, you can’t move up.
Why You Shouldn’t Wait
Cyber attacks don’t just happen to large corporations. Small and medium-sized businesses are increasingly targeted because attackers assume they have weaker defences. The cost of a breach — from lost business and reputational damage to regulatory fines — often far outweighs the cost of certification.
Getting Cyber Essentials certified now means:
- You reduce the likelihood of being caught out by common, preventable attacks
- You build credibility with customers and suppliers
- You stay competitive in tenders and bids
- You gain peace of mind knowing your basic security is in good shape
Choosing the Right Package
At Arcanum, we offer two clear routes to certification:
Self-Assessment Only – Ideal if you’re confident in your IT security and want to handle the process yourself. You’ll get access to the online portal and an official assessment by our team.
Certification with Expert Support – Perfect if you’d like guidance to ensure a smooth first-time pass. This includes everything in the self-assessment package tailored consultations with our assessors to review your readiness, answer questions, and provide personalised advice.
Both packages include:
- The IASME-set certification fee
- Two submission attempts
- The official certificate and branding upon success
Final Thoughts
Cyber Essentials isn’t just a box-ticking exercise – it’s a proven way to reduce risk, build trust, and unlock opportunities.
Don’t let myths and misconceptions delay your certification. The sooner you start, the sooner your organisation benefits from stronger defences and increased credibility.
Take the First Step Today
Whether you’re looking for a quick, self-managed route or want expert guidance along the way, Arcanum Cyber makes Cyber Essentials certification straightforward and hassle-free.