Resource Centre

Helpful resources, expert guidance, and tools to support your IT decisions.

Our downloads have been created to give you clear, practical information whenever you need it — whether you’re comparing providers, exploring new services, or just looking to stay informed. From guides and quizzes to blogs, videos and comparison tables, everything here is designed to help you make confident, well-informed choices for your business IT.

Insights

See our latest insights and articles about the 'OT' industry...

Secure. Assured. Protected.

Published: November 13, 2025

Stronger, Smarter OT Hosting

Published: November 13, 2025

Revolutionising Connectivity

Published: November 13, 2025

Crowdstrike – What happened?

Published: July 25, 2024

A Secure Path Forward with IT4A Protect: Bridging Today’s Challenges and Tomorrow’s Opportunities

Published: December 24, 2021

Device Connectivity

Published: December 10, 2021

Network Technologies

Published: December 10, 2021

Switching

Published: November 10, 2021

Podcast

Listen to our latest podcast episodes from The Deep Dive...

OT Cybersecurity’s Triple Threat: Hardware, Monitoring, and the Patching Tightrope

Published: November 10, 2025

OT Remote Access: The VPN vs ZTRAS

Published: November 10, 2025

Securing the Unseen: Bridging the IT and OT Divide Before Disaster Strikes

Published: November 10, 2025

Animations

See all of our animations to find out more about us and what we do.

IT4A HOST – High Availability Managed Hosting on Site or in Cloud

Published: September 26, 2025

IT4A PROTECT – Network Condition and Cyber Monitoring and Support

Published: September 26, 2025

IT4A SUPPLY – Consulting, engineering and hardware supply

Published: September 26, 2025

IT4A CONNECT (ZTRAS) Zero Trust Remote Access Service

Published: September 26, 2025

IT4A CONNECT – Wide and Local Area Operational Network Solutions

Published: September 26, 2025

IT4A: A UK based Operational Managed Solutions Provider

Published: September 26, 2025

Secure What Matters – IT4A Protection for Critical Systems

Published: August 21, 2025

IT4A Connect: Resilient Networks for Critical OT Systems

Published: August 21, 2025

Downloads

Coming Soon...

Case Studies

See some of our case studies of solutions that could work for you!

Network Rail – Grinding Train Fleet

Published: November 10, 2025

Passive Network Infrastructure

Published: January 29, 2021

Integrated Security Solutions

Published: January 29, 2021

UK Nuclear Supply Chain | Active Network Infrastructure

Published: January 29, 2021

Nuclear Process Control and Monitoring System

Published: January 29, 2021

Tunnels

Published: January 23, 2021

Highways

Published: January 23, 2021

Security Alerts

Search Security Alerts for the Products You Sell & Stay Ahead of Emerging Risks

NEW ALERT FROM MOXA

Security Enhancement: SSL/TLS Weak Key Exchange Supported

Published: October 31, 2025

NEW ALERT FROM MOXA

CVE-2025-1679, CVE-2025-1680: Stored Cross-site Scripting (XSS) and Host Header Injection Vulnerabilities in Ethernet Switch

Published: October 23, 2025

NEW ALERT FROM MOXA

Security Enhancement: Modbus/TCP Discrete Input Access

Published: October 21, 2025

NEW ALERT FROM MOXA

Security Enhancement: Modbus/TCP Device Identification

Published: October 21, 2025

NEW ALERT FROM MOXA

Security Enhancement: SNMP Agent Default Community Name (public)

Published: October 21, 2025

NEW ALERT FROM MOXA

Security Enhancement: SSH Weak MAC Algorithms Enabled

Published: October 21, 2025

NEW ALERT FROM MOXA

Security Enhancement: SSH Weak Key Exchange Algorithms Enabled

Published: October 21, 2025

NEW ALERT FROM MOXA

Security Enhancement: SSH Server CBC Mode Ciphers Enabled

Published: October 21, 2025