FAQs: business internet security UK
What is business internet security?
Business internet security is the protection of business internet connections, devices, accounts, cloud apps, Wi-Fi, remote access and networks from cyber threats.
Why is business internet security important?
It helps reduce the risk of phishing, ransomware, data loss, account takeover, downtime, fraud and unauthorised access.
What are the biggest cyber threats to UK businesses?
Common threats include phishing, impersonation, malware, ransomware, credential theft, business email compromise and supplier-related attacks.
What is the most common cyber attack on UK businesses?
The UK Government Cyber Security Breaches Survey 2025/26 found phishing was the most common type of breach or attack among businesses.
What security does a small business need?
Most small businesses should start with MFA, device protection, secure passwords, backups, software updates, email security and staff awareness.
Does business broadband include security?
Some business broadband packages include basic security features, but many businesses still need separate firewall, endpoint, email and backup protection.
Does a leased line make my business secure?
No. A leased line can improve connectivity, but you still need firewalls, endpoint protection, MFA, backups and secure access controls.
What is a managed firewall?
A managed firewall is a firewall that is monitored, updated and supported by a provider rather than managed entirely in-house.
What is SASE?
SASE stands for Secure Access Service Edge. It combines networking and cloud security to protect users, branches and cloud applications.
What is ZTNA?
ZTNA stands for Zero Trust Network Access. It gives users access to specific applications based on identity and policy rather than broad network access.
What is endpoint security?
Endpoint security protects devices such as laptops, desktops, mobiles, tablets and servers from malware, ransomware and other threats.
What is email security?
Email security protects against phishing, spam, malware, impersonation, malicious links and fraudulent attachments.
How much does business internet security cost?
Costs vary by users, devices, sites, risk level and provider. Small businesses may pay tens to hundreds per month, while multi-site or higher-risk organisations may pay thousands.
Is Cyber Essentials worth it?
Cyber Essentials can be worth it for many SMEs because it provides a practical baseline against common cyber attacks and may support customer trust or contract requirements.
Do remote workers need extra security?
Yes. Remote workers may need MFA, endpoint security, VPN or ZTNA, device encryption, secure Wi-Fi guidance and cloud access controls.
How do I secure business Wi-Fi?
Use strong encryption, change default admin passwords, separate guest Wi-Fi, update firmware, restrict admin access and monitor unusual activity where appropriate.
How do I protect against ransomware?
Use regular tested backups, MFA, endpoint protection, patching, staff training, email security and an incident response plan.
How do I compare business internet security providers?
Compare what is included, users, devices, sites, managed firewall, endpoint, email security, backups, monitoring, incident response, support hours, setup cost and monthly cost.
Compare business internet security providers based on your users, devices, sites, cloud apps, connectivity, remote workers, payment systems and support requirements.