Cyber Security

Trusted Cyber Security Services in Cardiff

Protect your business from evolving digital threats with certified cyber security services delivered locally by NetSec.

NetSec's Myles Peart Planning Strategy on a Whiteboard

Trusted by leading companies nationwide

What’s included

Cyber Security services tailored to Cardiff businesses

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

Trusted by leaders

Helping Cardiff businesses stay secure and compliant

Our team works closely with organisations across Cardiff, from financial services to fast-growing tech companies, to keep systems safe and compliant.

Working with NetSec was a pleasure, Myles and the team have a deep understanding of IT and Information Security and onboarded us seamlessly. The ongoing service has been equally excellent.
More than security

Delivered as part of our Managed IT Services in Cardiff

Our cyber security services are also included in our Managed IT Services — a complete package combining security, support, and strategy.

Managed IT Services Cardiff

An all-in-one package that provides enterprise-grade security, on-demand support, and strategic consulting, all at a fixed monthly cost.

On-demand support
Security at every level
Expert strategic guidance
Easy onboarding
Learn more
Local cyber security experts

Expert Cardiff-based cyber security support you can count on

Whether you need policy advice, phishing protection, or a long-term IT partner, we’re here to help.

Certified experts on hand when you need them most

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.

ISO27001 Accreditation badge

Protect your business today

Speak to a friendly Cyber Security expert in Cardiff to see how you can secure your business.

Proven performance

Security outcomes that speak for themselves

From user access control to email fraud protection, our local Cyber Security services deliver outcomes that Cardiff businesses can see and track.

100%
of issues resolved
Every support ticket we've received in the last 12 months has been resolved.
24/7
systems monitoring
Round-the-clock protection, no matter where your team works.
99%+
SLA met
In the last 12 months, we've met our obligations with frightening efficiency.
Myles and the team have been excellent with us from the get go - regularly checking in to ensure all systems are running smoothly, if we do have issues they are resolved within 24 hours - highly recommend!
Where to find us

Find us at our Cardiff office

Our office in Wellington Street gives you direct access to certified security expertise right here in Cardiff.

Office Address

W2 Offices
Wellington House
Wellington Street
Cardiff
Wales
CF11 9BE

Opening Hours

Mon - Fri: 9am to 6pm
Saturday: Closed
Sunday: Closed

Contact

Phone: 02922676712
Email: support@netsec.org.uk
Supporting the city

Cyber Security services from a Cardiff business that gives back

NetSec is proud to support the Cardiff community — from helping secure local businesses to sponsoring causes like the Bigmoose Ultra Fun Run.

We're based in the heart of the action, near Cardiff city centre

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.

Book a chat at our Cardiff office

Proud headline sponsor of the Bigmoose Ultra Fun Run in Cardiff

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.

Read more about the event
bigmoose ulta fun run banner
Got questions?

Frequently asked questions

Everything you need to know about working with NetSec for cyber security in Cardiff.

Do you offer Cyber Essentials certification support in Cardiff?

Yes. We help Cardiff businesses prepare for and pass Cyber Essentials and Cyber Essentials Plus audits, including policy creation and technical implementation.

Can I get standalone cyber security services?

Absolutely. While many clients choose our Managed IT Services, you can also use our cyber security services on their own.

Is training included?

Yes, we provide cyber awareness training to help upskill your Cardiff-based team.

Do you offer in-person consultations?

Yes — our local Cardiff team can meet in person to review your needs and recommend the right security setup

What size businesses do you work with?

We work with startups, SMEs, and established Cardiff companies alike — tailoring our cyber security services to fit your size and sector.

Success stories

Discover how we help Cardiff businesses stay secure and thrive

From financial services to fast-moving startups, NetSec helps local companies improve security, reduce risk, and meet compliance.

Get started today

Talk to one of our friendly experts today to see how NetSec's Cyber Security service can help your business stay protected.