Protecting the computer system is important for the user as it holds sensitive information. Getting the best computer security software to defend against cyber threats is important. In the UK, individuals and businesses rely on robust computer security software to protect their data and maintain online privacy.
The modern security system is getting hype because it includes essential features such as real-time protection, threat detection, and more. Moreover, this software also ensures that users' sensitive information remains safe.
Top-rated Computer Security Software for UK Users
There is no universal answer for which security software is best; a solution that works perfectly for one person might be insufficient for another. That is why, here are some of the best computer secuirty software listed, so that users can take the decision after clear consideration.
Bitdefender Total Security

Bitdefender
Fast, reliable mobile protection designed to keep your data safe anywhere you go.
Bitdefender is the UK's best cybersecurity software, due to its safe browsing and online protection. Bitdefender Total Security is a comprehensive security software that helps protect computers and other devices from online threats. It is the best PC security program because it continuously monitors for threats and stops them before they cause harm.
It is the best antivirus with a password manager as it offers tools for online privacy, identity protection, and more.
It also includes tools that help protect users' privacy, block unsafe websites, and prevent webcam spying. It is a great choice for anyone in the UK who wants strong, easy-to-use security for everyday online activities.
|
Best For |
Reason |
|---|---|
|
Individual |
It's best for individuals as it is easy to use, covers multiple devices, and includes features like parental controls and VPN |
|
Businesses |
Not ideal for businesses, as it lacks centralised management, advanced endpoint controls, and scalable business tools. |
Features of Bitdefender Total Security
Below are the features of Bitdefender Total Security that make it a top computer security software.
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Strong Malware Protection
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Multi-Layer Ransomware Protection
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Network Threat Prevention
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Anti-Phishing & Anti-Fraud
|
Plan |
Device |
Duration |
Price |
|
Bitdefender Premium Security |
10 |
1 year |
£44.95 – £54.95 |
|
Bitdefender Premium Security Plus |
10 |
1 year |
£59.95 |
|
Bitdefender Premium Security |
10 |
1 year |
£52.65 |
Norton 360 Deluxe

Norton has the best internet security in the UK as it is secure for multiple devices, including Macs, Android devices, and iOS devices. Norton 360 Deluxe is the best antivirus software for Windows, offering VPN, backup, and online safety tools. It is also the best PC security software, as it offers all-in-one protection for computers, phones, and tablets against online threats. It shields devices from viruses, malware, types of phishing attacks, and other threats.
This best PC security software offers tools for privacy on public Wi‑Fi, backing up important files, managing passwords, and helping keep kids safe online. It offers all of this under a single subscription that covers up to 5 devices. It’s designed to be easy to use, even for non-tech-savvy users.
|
Best For |
Reason |
|
Individual |
Best for individuals and families, as it protects up to 5 devices with antivirus protection, VPN, cloud backup, and parental controls. |
|
Businesses |
Not best for businesses as it lacks centralised management and enterprise tools. |
Features of Norton 360 Deluxe
Here are some of the features of Norton, which make it the best security pc:
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Antivirus & Malware Protection
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AI‑Powered Scam Protection
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Cloud Backup (50 GB)
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Parental Controls
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Deepfake Protection
Pricing Plan
|
Plan |
Devices |
Duration |
Prices |
|
Norton 360 Deluxe |
5 |
1 |
£89.99 |
|
Norton 360 Deluxe |
5 |
2 |
£169.99 |
Microsoft Defender For Business

Microsoft Defender for Business is a security solution designed to protect small and medium‑sized companies from cyber threats. Instead of just basic antivirus, it uses AI‑powered protection and built-in anti-phishing tools that automatically detects and stops malware, ransomware, and other attacks.
Whether they’re in the office or remote, it’s built to be easy to set up and manage even without expert IT skills. It helps users identify weaknesses, protect endpoints, and respond quickly to threats, keeping your business secure.
|
Best For |
Reasons |
|
Individual |
Not ideal for individuals, as it’s more complex and powerful than most home users need. |
|
Business |
Best for small and medium‑sized companies that need centralised Enterprise‑grade endpoint security across many devices |
Features of Microsoft Defender
Here are some of the features of Microsoft Defender. It is considered the best computer security due to its advanced and secure features:
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Enterprise‑grade endpoint security
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AI‑powered threat detection
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Vulnerability management
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Monthly security reports
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Cross‑platform support
Pricing Plan
|
Plan |
Price |
Billing |
|
Standalone – Annual |
£2.30 / user per month |
Paid yearly |
|
Standalone – Monthly Commitment |
£2.42 – £2.48 / user per month |
Billed monthly |
|
Non‑Profit – Monthly |
£0.99 / user per month |
Billed monthly |
|
Non‑Profit – Annual |
£1.88 / user per month (annual rate) |
Billed Yearly |
FAQs
What Is the Best Pc Security Windows 10?
The best PC security for Windows 10 is Bitdefender Total Security, as it offers antivirus, ransomware protection, firewall, VPN, and multi-device support with minimal impact on performance. It is also the best free Windows 10 antivirus due to features like VPNs and password managers for everyday security.
Which Pc Security Works Best with Firefox?
Malwarebytes or Bitdefender works best with Firefox for strong, compatible PC security.
What is the Best Internet Security That Doesn't slow down the computer?
Bitdefender provides excellent protection that’s light on system resources.
Computer security is essential because it protects devices, personal data, and online activity from cyber attacks. However, choosing the best computer security software is more important as it helps ensure users' PCs and data remain secure.
They are the best free antivirus for Windows 11, providing reliable protection at no cost. Moreover, these security software are also considered the best antivirus for Mac due to their scam detection that proactively counters any threats. These security software are the best antivirus with VPNs, as together they provide users with maximum protection, keeping users safe from online threats.
From Windows 10 to Mac, computer security protects users and organisations from daily cyber threats. From Bitdefender to Microsoft, these top-rated PC security software providers provide excellent service with unique features.
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