Network Security Services for Businesses in Oxford & London
Protect your systems, secure your data, and stay ahead of cyber threats with expert network security solutions.
At Network Assistance, we specialise in safeguarding business networks with industry-leading firewall configuration, VPN setup, intrusion prevention, and advanced threat protection. Whether you’re a small office or a multi-site organisation, our team delivers tailored network security designed to meet compliance standards and defend your systems 24/7. Get peace of mind with reliable, local cybersecurity experts by your side.
Our Network Security Services
Secure your business with comprehensive, scalable, and expertly managed network security solutions. From firewalls to audits, we provide everything you need to protect your data and stay ahead of cyber threats.
Firewall Setup & Management
We deploy and manage advanced firewalls from top-tier vendors like WatchGuard and Cisco—designed to block malicious traffic, enforce policies, and protect your network perimeter.
Secure VPN Configuration
Give your remote teams and branch offices encrypted access to your systems with professionally configured VPNs, ensuring data security wherever your team works.
Intrusion Detection & Prevention
Our real-time IDS/IPS solutions monitor for suspicious activity, helping detect and prevent unauthorised access, data breaches, and internal threats before they escalate.
Email & DNS Threat Protection
We protect your communications with advanced anti-spam filters, phishing protection, domain authentication (SPF, DKIM, DMARC), and DNS-layer security to block harmful websites.
Security Audits & Risk Assessments
Our detailed audits highlight network vulnerabilities, misconfigurations, and outdated systems—providing actionable recommendations to harden your IT environment.
Endpoint Security & Device Protection
From desktops to mobile devices, we secure all endpoints with antivirus, anti-malware, encryption, and centralised management to protect your team—wherever they work.
Ready to Secure Your Business Network?
Cyber threats are growing more advanced every day—don’t leave your systems exposed. At Network Assistance, we deliver tailored, proactive network security services that protect your data, support remote work, and keep your business running smoothly. Whether you’re looking to upgrade your firewalls, audit your current setup, or implement secure VPN access, our experienced team is here to help.
Let us assess your current security and design a solution that fits your needs and budget.
Why Choose Network Assistance for Network Security?
With over 25 years of experience securing business networks across Oxford and London, Network Assistance is your trusted partner in cybersecurity. Our team of certified IT professionals takes a proactive, no-nonsense approach to protecting your systems—backed by the latest technologies and real-world experience.
- Certified Experts – Our team includes professionals trained in Cisco, WatchGuard, and Microsoft technologies.
- Tailored Solutions – We don’t do one-size-fits-all. Every network is custom-designed for your business.
- Rapid Response – Get fast, local support when you need it—no long waits, no outsourced call centres.
- Scalable for Growth – Our solutions grow with your business, so you stay secure at every stage.