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An enterprise wide perspective on

cybersecurity

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Protect your data with Dionach

25 YEARS EXPERIENCE OF CYBERSECURITY SERVICES!

Our team has a long track record of successful engagements over a wide range of cybersecurity areas for companies. 

“There are risks and costs to a program of action – but they are far less than the long range cost of comfortable inaction”

– John F. Kennedy

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Dionach is now part of Nomios, a recognised leader in cybersecurity and networking across Europe. Together, we offer a full suite of services, including SOC, NOC, and security assurance. 

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Real Security in a Virtual World

As your cyber security partner, we help organizations protect their digital assets, ensuring regulatory compliance and respond to security incidents effectively.

Assurance

Information security assurance through penetration testing and social engineering.

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Compliance

Dionach helps organizations meet compliance requirements for standards such as PCI DSS, ISO 27001 and Cyber Essentials.

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Response

We help many organizations through understanding and limiting breaches and mitigating the risk of potential future breaches.

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Over 350 public and private sector clients worldwide
100
Over 2000 penetration tests conducted every year
1900
Over 50 highly qualified, experienced consultants
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Protect Your Business and Reputation with Expert Cybersecurity Consultancy Services

Dionach have a highly skilled team of experts who specialize in identifying and mitigating cyber security risks. We have extensive knowledge and experience in developing effective cyber security strategies, assurance testing and managing security incidents.

Reduce cost & risk

Fewer incidents mean less disruption for your employees and customers.

Increase security

Transform your security operations team with less investment and overhead.

Respond fast

Find and resolve threats sooner, measure your progress over time.

Build cyber culture

A strong cyber security culture can foster trust and open communication among team members, leading to better collaboration.

Industry Sectors

Dionach works with clients in a variety of industries to ensure they have the right IT and OT security controls and help them identify potential vulnerabilities.

Oil & Gas
Finance
Education
Retail
Energy & Utilities
Aviation
Healthcare
Technology

Access to Expert Knowledge

Dionach will work with you to understand your unique business requirements and tailor our solutions and services to meet your specific needs. We can help you identify and prioritize your cyber security risks and develop a customized security plan that addresses those risks.

Risk Mitigation

 Cyber risk mitigation is a critical component of a comprehensive cyber security program, and it helps organizations to make informed decisions about where to allocate resources and how to prioritize security initiatives.

Actions for each incident

A well-defined incident response plan (IRP) allows to effectively identify, minimize the damage from, and reduce the cost of a cyber attack so that you can prevent future attacks.

Performance metrics

Performance metrics provide organizations with valuable insights into the effectiveness of their cyber security measures and help them to make informed decisions to enhance their security posture.

Threat intelligence

Threat intelligence helps organizations anticipate and prevent cyber attacks by analyzing the tactics, techniques, and motivations of threat actors, and assessing the potential impact of an attack.

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Let’s Explore How We Can Support Your Cybersecurity Journey

Discover Our Latest Research

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Swift CSCF v2026: What You Need to Know (and Why It Matters) 

The Swift Customer Security Controls Framework (CSCF) v2026 introduces some of the most impactful changes Swift users have seen in recent years. Unlike CSCF v2025, which focused on clarification and preparation, CSCF v2026 makes several previously advisory requirements mandatory. This has potential implications for scope, architecture, and audit effort.  If you haven’t already started preparing, now is the time.  What’s new in CSCF v2026?  Control 2.4A (Back Office Data […]
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Cybersecurity Is a Business Risk: What NIST CSF 2.0 Changes for Leaders 

If you are a CEO, board member or business leader, cybersecurity hardly presents itself as a standalone issue. It shows up in revenue discussions, hiring decisions, supply-chain risks and regulatory pressure.  It sounds like:  These are not technical questions; they are leadership questions. Yet many executives still manage cybersecurity as if it were a problem best left to technical teams; that […]
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AI Security: The Operational Reality  

A technical deep dive into real-world vulnerabilities exposed by AI. The biggest risk to your AI deployment is not superintelligence; it is a logic error. While the security industry can sometimes fixate on theoretical debates about the future of Generative AI, for those of us working in defensive security and AI assurance, the current reality […]
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