IT Audit according to ISA [DE] 315

With the revision of ISA [DE] 315, IT as an integral part of business processes is increasingly the focus of the audit. The identification and assessment of material misstatement risks requires a deep understanding of the IT environment – from system architecture to automated controls and IT-supported business processes.
Frank Reutter
Partner
Auditor, Certified Tax Advisor, CISA, Graduate in Business Informatics
Enes Arslan
Associate Partner
IT-Auditor, Master of Engineering (M. Eng.)
Frederic Rehorst
Associate Partner
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IT Audit According to ISA [DE] 315 – Identify and Assess IT Risks in a Targeted Manner

Our IT audit specialists support you in efficiently implementing the requirements of the standard. We analyze your IT landscape in a risk-oriented manner and check whether the systems and controls used are suitable for ensuring the proper accounting. We work closely with the audit teams and ensure seamless integration of the IT audit into the overall audit approach.

Auditing has been undergoing a digital transformation for many years. The adaptation of audit strategies for the audit and the use of modern tools increase audit security and efficiency. In December 2022, the Institut der Wirtschaftsprüfer in Deutschland e.V. (IDW) introduced ISA [DE] 315 (Revised 2019), the fundamentally revised audit standard of the IAASB (International Auditing and Assurance Standards Board) for identifying and assessing the risks of material misstatements. The new ISA [DE] 315 (Revised 2019) replaces IDW PS 261 n.F. and IDW PS 330 on auditing when using IT. The IT audit is no longer addressed in a separate audit standard – it is the backbone of the risk-oriented audit approach and paves new ways for audit-relevant decisions.

Requirements
  • Risk-oriented audit approach
  • Understanding the IT environment
  • Assessment of IT-supported controls
  • Involvement of IT specialists
  • Integrated audit approach taking IT into account
Opportunities
  • early identification of weaknesses in automated processes and systems
  • Increased efficiency through the use of modern tools
  • Strengthening governance and compliance in your company
  • Valuable insights for your digital transformation and IT security

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