What Is Cyber Essentials?
Cyber Essentials is a UK Government-backed cyber security certification scheme designed to help organisations protect themselves against common cyber attacks.
It focuses on five core security controls that reduce the risk of phishing, malware, unauthorised access, weak configuration and unpatched software.
Check Your Readiness Cyber Essentials Support
Cyber Essentials Explained
Cyber Essentials helps businesses put basic but important cyber security controls in place. It is widely used by SMEs, suppliers, professional firms, charities, schools and organisations bidding for contracts.
Certification can help show clients, suppliers, insurers and procurement teams that your organisation takes cyber security seriously.
In simple terms: Cyber Essentials proves your business has implemented key security controls to defend against common cyber threats.
The Five Cyber Essentials Controls
Firewalls
Protect your devices and networks from unauthorised access from the internet.
Secure Configuration
Remove unnecessary settings, default passwords and insecure configurations.
User Access Control
Ensure users only have access to the systems and data they genuinely need.
Malware Protection
Protect devices from viruses, malicious software and unsafe downloads.
Security Updates
Keep operating systems, software and applications patched and supported.
Certification Readiness
Review evidence, close gaps and prepare for a smoother certification process.
Why Businesses Get Cyber Essentials
- To reduce exposure to common cyber attacks.
- To meet supplier, tender or procurement requirements.
- To improve trust with clients and partners.
- To support cyber insurance applications.
- To demonstrate stronger data protection and security governance.
- To prepare for Cyber Essentials Plus.
- To improve Microsoft 365, access control and device security.
Cyber Essentials vs Cyber Essentials Plus
Cyber Essentials is a self-assessment certification. Cyber Essentials Plus includes independent technical testing to confirm that controls are working effectively.
| Feature | Cyber Essentials | Cyber Essentials Plus |
|---|---|---|
| Assessment | Self-assessment questionnaire | Independent technical testing |
| Assurance Level | Good baseline | Higher assurance |
| Best For | SMEs, suppliers, first-time certification | Businesses needing stronger client or contract assurance |
| Technical Verification | No | Yes |
Need help choosing the right option? View our comparison guide: Cyber Essentials vs Cyber Essentials Plus.
How AceGuard Helps With Cyber Essentials
Readiness Review
We assess whether your organisation is ready for Cyber Essentials certification.
Certification Support →Gap Analysis
We identify areas that may prevent or delay successful certification.
Cyber Security Audit →Microsoft 365 Review
We review Microsoft 365, MFA, Entra ID, email security and user access controls.
Microsoft 365 Assessment →Access Control Review
We review user accounts, permissions, administrator access and joiner/leaver processes.
IAM Services →Remediation Guidance
We provide practical recommendations to fix issues before submission.
Vulnerability Assessment →Cyber Essentials Plus Preparation
We help organisations prepare for the higher assurance certification route.
Cyber Essentials Plus →Who Needs Cyber Essentials?
Cyber Essentials is suitable for organisations of all sizes, especially businesses that handle sensitive data, rely on Microsoft 365, work with suppliers or need to demonstrate security to clients.
Cyber Essentials in Hertfordshire
AceGuard supports businesses across Hertfordshire with Cyber Essentials readiness, certification support, Microsoft 365 security reviews and cyber security audits.
Cyber Essentials FAQs
What is Cyber Essentials?
Cyber Essentials is a UK Government-backed certification scheme that helps organisations protect themselves against common cyber attacks using five core security controls.
Is Cyber Essentials suitable for small businesses?
Yes. Cyber Essentials is particularly useful for small and medium-sized businesses because it focuses on practical controls that reduce common cyber risks.
Does Cyber Essentials include Microsoft 365?
Microsoft 365 is often a key part of Cyber Essentials preparation because authentication, user access, email security and cloud configuration need to be reviewed.
What is the difference between Cyber Essentials and Cyber Essentials Plus?
Cyber Essentials is based on a self-assessment questionnaire. Cyber Essentials Plus includes independent technical testing of your security controls.
Need Help With Cyber Essentials?
AceGuard can review your current security controls, identify gaps and help prepare your organisation for Cyber Essentials certification.
Start with a free Cyber Security Health Check and find out how close your business is to certification readiness.
Book Free Cyber Security Health Check