Cyber Security · Managed Network Security
Network Security Managed Before Problems Occur
Most businesses have no clear picture of what's happening on their network, which devices are connected, where data is going, and where the vulnerabilities are. We manage network security on an ongoing basis, monitoring for threats, identifying weaknesses, and applying controls that protect your business from the inside out.
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Lowthers Managed Network Security
A network you can't see is a network you can't protect. We give businesses clear, managed visibility of their network security and the controls to back it up.
What Our Managed Network Security Service Covers
We monitor, assess, and manage your business network to identify vulnerabilities and threats, applying the controls that keep your data and systems protected on an ongoing basis.
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Vulnerability Identification
We assess your network infrastructure for known vulnerabilities, misconfigured settings, outdated firmware, and unnecessary open ports, and address them before they can be exploited.
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Access Control Management
We manage who and what can access your network, configuring controls that limit exposure and ensure only authorised devices and users are able to connect to your business systems.
Threat Response
When a threat or anomaly is identified on your network, we respond directly, containing, investigating, and resolving the issue with clear communication to your team throughout.
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Our Network Security Approach
Managed network security built around your infrastructure
Effective network security starts with visibility. Before we can protect a network, we need to understand it, what's connected, how traffic flows, where the boundaries are, and where the controls are currently missing or misconfigured. We carry out an initial assessment of your network infrastructure as part of onboarding, which gives us the baseline we need to monitor and manage proactively.
From there, monitoring is continuous during business hours. We watch for anomalous traffic, new or unrecognised devices, unexpected outbound connections, and signs of misconfiguration that could indicate a developing vulnerability. Issues are acted on directly, not escalated through a ticketing system before anyone looks at them.
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Network security management integrates with the rest of the security controls we manage for your business. Firewall rules, endpoint security, and software patching all interact with your network security posture, and managing them in isolation creates gaps. We take a joined-up approach across your full security infrastructure, rather than addressing each element separately.
For businesses in regulated sectors, legal, financial services, insurance, network security management also supports compliance obligations around data handling and access controls. We document our monitoring and management activity, which provides useful evidence for audits or regulatory reviews. Our support desk operates 08:00–17:00, Monday to Friday.
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some of our clients
A proven track record
Speak to us today for a FREE consultation
Choosing the right IT partner involves many moving parts. The best way to see if we’re a good fit is a quick, no-pressure introductory call.
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Words from our clients
Lowthers have been a great partner, with the support/service evolving with the growing requirements of the business.
Head of IT
Absolutely fantastic service - significantly better than the IT support at any other company I've worked for. Brilliant team at Lowthers, consistently go above and beyond.
Finance Team
Very responsive and helpful, I appreciate the service provided, thank you
Company Director
I think the support from Lowthers is exceptional, so prompt and thorough, always impressed with their service and general helpfulness
People Advisor
Visibility before protection — why network security starts with understanding your infrastructure
Many businesses apply security tools without a clear picture of the network those tools are supposed to protect. The result is coverage that looks complete on paper but has real gaps in practice, unknown devices, unmonitored segments, or traffic that falls outside the scope of what's being watched. We start every managed network security engagement with a thorough assessment, so what we manage is actually what needs managing.
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Why businesses choose Lowthers for managed network security
We manage network security as part of a wider security infrastructure, not in isolation. That means your network controls are consistent with your firewall configuration, your endpoint security, and your access management. One team, one view of your security posture, no gaps between separate services managed by separate providers. UK-based, direct, and managing the infrastructure that sits beneath everything your business depends on.
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Our Network Security Methodology
How we monitor and manage your network security ongoing
We start with an assessment, mapping your network, identifying what's connected, and reviewing the controls currently in place. That gives us a clear picture of where the gaps are and what needs addressing before ongoing monitoring begins. For most businesses, the initial assessment surfaces vulnerabilities that weren't previously visible.
Once monitoring is established, we watch for the indicators that matter, anomalous traffic patterns, new or unrecognised devices, unexpected connection attempts, and configuration changes that haven't been authorised. We act on these directly rather than raising a ticket and waiting.
Ongoing management includes regular reviews of access controls, network configuration, and security posture, ensuring that as your business infrastructure changes, your network security changes with it. We report clearly on what we're managing and what we've found, without burying the important points in technical noise.
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Supporting Businesses with reliable & Flexible IT Support
Initial Network Assessment
We map your network and assess current controls before beginning management, so monitoring is targeted at what actually needs protecting, not a generic baseline.
Continuous Business-Hours Monitoring
We monitor your network during business hours, acting directly on anomalies and threats, without waiting for automated alerts to be reviewed by someone who hasn't seen your setup before.
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Integrated Security Management
Network security management works alongside firewall, endpoint, and patching services, giving you a consistent, joined-up security posture across your full infrastructure.
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