Cyber Security
Professional Cyber Security Services in London
Defend your organisation against modern cyber threats with certified security services from our London team.
Cyber Security
Defend your organisation against modern cyber threats with certified security services from our London team.
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Our London team provides comprehensive cyber security services for growing organisations, covering threat detection, compliance, data protection, and staff training.
Rapid threat detection and response
Continuous monitoring, ransomware defence, device risk scoring, and immediate alerting across all endpoints
Compliance and policy development
Cyber Essentials certification, ISO-aligned policy frameworks, audits, and ongoing compliance guidance
Staff training and email protection
Phishing simulations, security awareness programmes, email filtering, and enterprise password management
We partner with businesses across London, from regulated financial services firms to scaling technology companies, to strengthen their security posture and maintain compliance.
Our cyber security capabilities are included as part of Managed IT Services, combining protection, IT support, and strategic consultancy in a single package.
A unified service covering enterprise-grade security, responsive IT support, and quarterly strategic consultancy at a predictable monthly cost.
From policy development to phishing defence and long-term IT partnership, our London team is ready to support your organisation.
NetSec holds Cyber Essentials and ISO 27001:2013 certifications, and is a member of the NCSC CyberFirst programme. Our tools, processes, and policies are built to meet and exceed recognised compliance standards.
London businesses can add Heimdal MXDR through NetSec for round-the-clock monitoring and incident response, layered on top of our core cyber security services.
Speak to one of our London-based cyber security specialists to discuss how we can protect your business.
From access control to email fraud prevention, our cyber security services deliver trackable results for organisations across the UK.
Our Soho office gives you direct access to certified security expertise in central London.
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NetSec operates from the heart of Soho, working with London businesses to strengthen their security and IT infrastructure.
Our London office in Soho keeps us close to the businesses we serve, enabling direct collaboration and in-person consultations when needed. We operate as a long-term partner, not a distant helpdesk.
For more information on our full service and what is included, visit our Managed IT Services page.
Get in touch with our London teamCommon questions about our cyber security services for London businesses.
Yes. NetSec supports London businesses through the full Cyber Essentials and Cyber Essentials Plus certification process, including technical implementation, policy creation aligned to ISO 27001, and audit preparation. For clients on our Managed IT Services plan, the annual Cyber Essentials audit and certification is included.
Yes. Our cyber security services are available as a standalone offering. Many clients also choose our Managed IT Services, which bundles security with IT support, consultancy, and procurement. See our Managed IT Services page for full details on what is included in each tier.
We monitor all inbound and outbound email traffic, block known malicious emails before they reach inboxes, and quarantine suspicious messages for review. This covers phishing, malware, and impersonation attacks across Office 365, including Outlook, Teams, SharePoint, and OneDrive.
We work with businesses of all sizes across London, from early-stage companies to established organisations. Our services are needs-dependent rather than size-dependent, and we tailor our approach to fit your requirements and sector.
From financial services to technology firms, NetSec helps organisations reduce risk, achieve compliance, and maintain secure operations.
Speak to our London team to find out how NetSec can help protect your business with certified cyber security services.