IT Audit & Security

Mazars is one of the few firms in Ireland to employ a dedicated team of technical IT and security auditors who work exclusively on IT audit and security assignments.

Our team has been built up over a long period of time and predominantly includes staff, who have qualified and worked in technical IT roles and have subsequently been trained as IT and security auditors. This is unique amongst professional services firms – our staff are not internal auditors trying to understand IT and technology – they are technical IT people who have been as auditors.

Our team has the right combination of skills, experience and credibility required to support your organisation. Our team brings proven experience in the co-ordination of large, technically complex, high value and volume IT and security audit assignments. We understand technical application and infrastructure controls and are credible in our interaction with ICT staff and members of the audit committee, internal audit or compliance functions alike

We employ Institute of Internal Audit (IIA) standards in the performance of our internal audit assignments and ISACA (COBIT), Prince 2 (project management) and ISO27001 (security). As members of the IIA and ISACA, these standards form a core part of our IT and security audit methodology. We understand how to apply and these standards in practice rather than just theory. 

Our team includes chartered accountants, system engineers, infrastructure specialists, CISA (Certified Information Systems Auditor), CISM (Certified Information Security Manager), CISSP (Certified Information Systems Security Professional), CFIP (Certified Forensic Investigation Practitioner). We employ a specialist team of SAP auditors.

We maintain an internal IT and security audit testing lab facility within Mazars and all staff are required to spend 30% of their time in training and the use of this facility and ensuring that their technical knowledge and practical IT and security audit skills remain current and reflect best practice.

Our IT audit and security services include:

  • Outsourced IT audit
  • Co-sourced IT audit
  • External IT audit support
  • Data analysis and interrogation
  • IT audit and security
  • IT infrastructure audit
  • Penetration testing and vulnerability scanning
  • IT risk management
  • IT forensic support
  • Data protection audit
  • Third party standard compliance audit


Listen to The Future of Business Podcast

Ep. 5: The threat of cyber attacks

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With cybercrime estimated to cost €350 billion per annum worldwide, what is the threat to Irish business and what should we be doing to protect ourselves? Alex Burnham director at Mazars and Michael Conway from Renaissance Contingency Services shed light on this intricate subject.

The Future of business is available on iTunes, Stitcher and Soundcloud. Please click on the icons below: 


Want to know more?

Digital Forensics & Investigations

Recently, fraudulent and criminal activity using computer technologies has been growing and as organisations increasingly rely on digital information as their key assets the need for digital investigations is increasing accordingly.

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