Cyber Security
Protect your business from evolving digital threats with certified cyber security services delivered locally by NetSec.
Our Cardiff-based team delivers cyber security services designed for growing businesses — including threat detection, data protection, and user training.
Threat detection & response
24/7 monitoring, ransomware protection, device risk scoring, and real-time alerts to keep every system secure
Compliance & policy support
Cyber Essentials and ISO-aligned policy development, audits, and proactive security guidance
User protection & training
Email filtering, phishing simulations, staff awareness training, and secure password management
Our team works closely with organisations across Cardiff, from financial services to fast-growing tech companies, to keep systems safe and compliant.
Our cyber security services are also included in our Managed IT Services — a complete package combining security, support, and strategy.
An all-in-one package that provides enterprise-grade security, on-demand support, and strategic consulting, all at a fixed monthly cost.
Whether you need policy advice, phishing protection, or a long-term IT partner, we’re here to help.
We hold industry-recognised certifications including Cyber Essentials, ISO 27001:2013, and are proud members of the NCSC CyberFirst programme. Our policies, tools, and processes are designed to meet and exceed compliance benchmarks.
Speak to a friendly Cyber Security expert in Cardiff to see how you can secure your business.
From user access control to email fraud protection, our local Cyber Security services deliver outcomes that Cardiff businesses can see and track.
Our office in Wellington Street gives you direct access to certified security expertise right here in Cardiff.
Office Address
Opening Hours
Contact
NetSec is proud to support the Cardiff community — from helping secure local businesses to sponsoring causes like the Bigmoose Ultra Fun Run.
Our Cardiff office allows us to stay connected to the business community and deliver hands-on cyber security guidance where needed. We're not a remote service, we’re your neighbours and partners in long-term IT success.
Face-to-face collaboration and on-site support are part of what make our service different.
NetSec was honoured to be the headline sponsor of the Bigmoose Ultra Fun Run — a flagship event raising vital funds for mental health support in Cardiff
This partnership reflects our belief that community matters. We’re more than just an IT company — we’re active members of a community who care about the impact we can have beyond the screen.
Everything you need to know about working with NetSec for cyber security in Cardiff.
Yes. We help Cardiff businesses prepare for and pass Cyber Essentials and Cyber Essentials Plus audits, including policy creation and technical implementation.
Absolutely. While many clients choose our Managed IT Services, you can also use our cyber security services on their own.
Yes, we provide cyber awareness training to help upskill your Cardiff-based team.
Yes — our local Cardiff team can meet in person to review your needs and recommend the right security setup
We work with startups, SMEs, and established Cardiff companies alike — tailoring our cyber security services to fit your size and sector.
From financial services to fast-moving startups, NetSec helps local companies improve security, reduce risk, and meet compliance.
Talk to one of our friendly experts today to see how NetSec's Cyber Security service can help your business stay protected.