The Delta Blog

Recent critical PHP vulnerabilities highlight why keeping your website patched is essential. However, updating PHP is only the first step. Discover how web application penetration testing can help identify further security weaknesses and reduce the risk of your website being compromised.

Choosing a Cyber Essentials provider? Compare certification costs, assessment support, Cyber Essentials Plus testing and the current requirements before deciding.

Is Cyber Essentials mandatory in the UK? Not for every business, but certification can be required for certain government and public sector contracts, or by customers as part of their supplier requirements. Our guide explains when Cyber Essentials is required, who needs it, the difference between Cyber Essentials and Cyber Essentials Plus, and what UK businesses need to know.

The recent incident involving an OpenAI AI agent and an Australian government health portal highlights a growing challenge for organisations responsible for internet-facing applications and cloud environments. An AI agent attempting to obtain information was able to bypass an access restriction and access non-public files, prompting questions around how effectively organisations can detect and defend against increasingly capable automated systems. For security teams, the inc

When the Threat is Inside the House: Lessons from the P&O Ferries Data Leak

ome of the world’s biggest technology companies, including Google, Microsoft, Anthropic and OpenAI, have issued a stark warning regarding Cyber Security. Read how you can prepare your organisation for future threats.

An accurate asset register is the foundation of effective cyber security. Discover how maintaining a complete inventory of devices, systems and software supports Cyber Essentials certification, vulnerability management and stronger security governance.

Following the conviction of 2 individuals for the attack on Transport for London, what are the 4 takeaways business can learn from and implement to help protect their enviroments.

The UK's National Cyber Security Centre (NCSC) has issued a clear warning to organisations: prepare now for a coming "vulnerability patch wave". Learn how this may impact your business.

Understand the April 2026 changes to Cyber Essentials and Cyber Essentials Plus

A quick guide to help you understand if you need a penetration test

A dataset containing 1.3 billion passwords and nearly two billion email addresses has been exposed and processed by Have I Been Pwned (HIBP) , the global breach-notification service. To put that into perspective, this is almost three times larger than any previous breach HIBP has handled. For organisations across the UK, as well as individuals trying to protect their digital lives, the implications of this breach could be significant. Why This Breach Matters Attackers us

Published by the Cyber Essentials Governing Body IASME, who oversee Cyber Essentials alongside the National Cyber Security Centre (NCSC), have announced a series of important updates to the Cyber Essentials scheme, coming into effect in April 2026 . The changes are designed to keep Cyber Essentials aligned with current technology, with the biggest impacts effecting MFA for cloud services and User Access Controls. To help organisations digest these updates, Delta’s assessors

JLR: When a Cyber-Attack Becomes a Supply-Chain Crisis The recent cyber attack on Jaguar Land Rover (JLR) has been described as one of the most expensive in UK history, with analysts suggesting it could cost the economy around £2 billion . What started as an IT issue quickly spiralled into a full blown supply chain shutdown, showing just how closely cyber security and supply chain resilience are now connected . The Domino Effect of a Digital Outage When JLR halted production

As we approach the end of 2025, the National Cyber Security Centre’s (NCSC) Annual Review has delivered a clear reminder cyber threats are escalating and it is never too early to act. A Surge in Cyber Incidents Between September 2024 and August 2025, the NCSC responded to 429 cyber incidents, with 204 (48%) classified as “nationally significant”. This marks a nearly 50% increase in highly significant incidents compared to the previous year, underscoring the growing scale and

(and How to Avoid Them) Getting your Cyber Essentials certification is a vital first step for businesses that want to improve their cyber...

We are delighted to announce that Delta Cyber Security is now officially JOSCAR Registered – a recognised mark of trust and quality...

Mastering Cyber Essentials: Live Training for Today’s Threat Landscape Delta Cyber Security invites you to a hands-on workshop designed...

Learning from Experience In April 2025, we partnered with Charity Digital to launch a practical Cyber Essentials training...

Charity Digital Training Announcement Strengthen Your Charity’s Cyber Security with Delta Cyber Security's Training Workshop As...