Last updated on 2024年9月9日

How can you guarantee quality and reliability of audit evidence?

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Audit evidence is the information that auditors use to support their opinions and conclusions on the financial statements and internal controls of an entity. The quality and reliability of audit evidence depend on its relevance, sufficiency, accuracy, timeliness, and source. As an information systems auditor, you need to apply appropriate methods and techniques to collect, evaluate, and document audit evidence that meets the auditing standards and objectives. Here are some tips on how to guarantee quality and reliability of audit evidence.

本文章的要点总结

Comprehensive audit plan:

Crafting a detailed audit plan is like setting up a map for treasure hunting. It guides you through the audit journey, ensuring you don't miss any crucial spots and that the evidence collected is relevant and reliable.
Professional skepticism:

Maintaining a healthy dose of skepticism isn't just for cynics. In auditing, it means questioning everything and taking nothing at face value. This mindset helps you stay objective and spot issues that might otherwise slip through the cracks.

本摘要由 AI 和以下专家提供支持

Natrajan Ramkrishna

Board and Governance Consultant
Timothy R. T.

1 Understand the audit context

Before you start gathering audit evidence, you need to understand the audit context, which includes the nature, scope, objectives, and criteria of the audit. The audit context helps you to identify the risks, issues, and expectations that affect the audit evidence. You also need to consider the legal, regulatory, and ethical requirements that apply to the audit evidence, such as data protection, confidentiality, and consent.

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Bhasi Bahuleyan

LinkedIn Top Voice in Time?Management. Retired ?? Range Forest Officer ?? of Kerala Forest and Wildlife Department. ?? A dedicated Government Servant in India for 24 years. Former General Administrator at a Resort.
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Audit evidence is reliable because the auditors are technically sound in the field of accounting. They are appointed as per the legislation of the country. The audit report is mandatory in companies. So selection of the auditor is an important task, which determines the quality of auditing.

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Fábio Eduardo Nunes

Especialista em Auditoria Interna e Compliance | Lideran?a em ESG, LGPD e Governan?a Corporativa
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Para garantir a qualidade e a confiabilidade das evidências de auditoria, é crucial entender o contexto da auditoria, conforme as normas ISO 31000, ISO 19011 e o framework do COSO. Primeiramente, identifique o escopo e os objetivos da auditoria, compreendendo as opera??es internas e o ambiente externo da organiza??o. Isso inclui a análise de riscos relevantes, o alinhamento com os objetivos estratégicos da empresa, e a considera??o das expectativas das partes interessadas. Esse entendimento é essencial para planejar uma auditoria eficaz que atenda aos requisitos de conformidade e gest?o de riscos.

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Elisiane G.

Internal Audit
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A qualidade e a confiabilidade das evidências de auditoria s?o fundamentais para a credibilidade da fun??o de auditoria interna e para a tomada de decis?es estratégicas na organiza??o. Ao seguir os procedimentos adequados e focar nos riscos, os auditores internos podem garantir a qualidade das informa??es e contribuir para o sucesso a longo prazo da empresa.

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Muhammad Azhar

Seasoned Internal Auditor | Expert in Risk Management, Compliance, & Operational Efficiency Enhancement | Process Re-Engineering
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Understanding the context of audit evidence is critical for auditors to assess the reliability and relevance of the information they gather during an audit. Here are some key factors that are most helpful in understanding the context of audit evidence: 1. Nature of the Entity and Industry 2. Entity's Business Processes 3. Regulatory Environment 4. Internal Control Environment 5. Previous Audit Findings 6. Risk Assessment 7. Materiality 8. External Factors 9. Industry Benchmarks 10. Management Representations 11. Audit Documentation 12. Analytical Procedures

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2 Plan and design the audit procedures

Based on the audit context, you need to plan and design the audit procedures that will provide you with the appropriate audit evidence. The audit procedures may include inspection, observation, inquiry, confirmation, recalculation, reperformance, analytical procedures, and computer-assisted audit techniques. You need to select the audit procedures that are relevant to the audit objectives and criteria, and that will provide sufficient and accurate audit evidence.

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Natrajan Ramkrishna

Board and Governance Consultant
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Audit evidence comprises oral (recorded) conversations and written evidence such as documents, their party confirmations, valuation reports, board resolutions, etc. But what is critical is 1. Whether it is relevant to the auditor in forming her opinion and 2. The auditor is able to demonstrate why the evidence can be relied upon 3. The auditor demonstrates what audit process did she carry out to determine if the evidence makes sense

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Fábio Eduardo Nunes

Especialista em Auditoria Interna e Compliance | Lideran?a em ESG, LGPD e Governan?a Corporativa
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Para garantir a qualidade das evidências de auditoria, siga as ISO 19011 e 31000, e o framework COSO. O planejamento deve definir objetivos, escopo e critérios da auditoria, identificando riscos (ISO 31000). Adote uma metodologia que alinhe as atividades aos objetivos estratégicos, focando em áreas de alto risco e impacto (COSO). A forma??o de uma equipe competente e a escolha de técnicas adequadas (ISO 19011) s?o essenciais para obter evidências confiáveis e pertinentes.

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3 Execute and document the audit procedures

When you execute the audit procedures, you need to follow the audit standards and guidelines, and use professional judgment and skepticism. You need to ensure that the audit evidence is timely, meaning that it reflects the current situation and is not outdated or obsolete. You also need to consider the source of the audit evidence, and assess its reliability and validity. For example, audit evidence from independent and external sources is usually more reliable than from internal sources. You need to document the audit procedures and the audit evidence in a clear, concise, and consistent manner, and link them to the audit objectives and criteria.

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Fábio Eduardo Nunes

Especialista em Auditoria Interna e Compliance | Lideran?a em ESG, LGPD e Governan?a Corporativa
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Para garantir a qualidade e a confiabilidade das evidências de auditoria, segundo a ISO 31000, ISO 19011 e o COSO atualizado, é crucial executar e documentar procedimentos de auditoria de forma estruturada. A ISO 19011 orienta a aplica??o de procedimentos consistentes e a coleta de informa??es verificáveis e baseadas em fatos. O COSO enfatiza a importancia de um ambiente de controle robusto e de avalia??o de riscos. A documenta??o deve ser precisa e completa, permitindo a rastreabilidade e a reprodutibilidade das avalia??es realizadas.

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4 Evaluate and report the audit evidence

After you collect and document the audit evidence, you need to evaluate and report it. You need to compare the audit evidence with the audit criteria, and identify any gaps, deviations, errors, or exceptions. You need to analyze the causes and consequences of the findings, and assess their significance and impact on the audit opinion and conclusion. You need to report the audit evidence and the findings in a fair, objective, and constructive way, and provide recommendations for improvement if needed.

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Fábio Eduardo Nunes

Especialista em Auditoria Interna e Compliance | Lideran?a em ESG, LGPD e Governan?a Corporativa
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Para garantir a qualidade e confiabilidade das evidências de auditoria conforme ISO 31000, ISO 19011 e a vers?o atualizada do COSO, é crucial avaliar a adequa??o, relevancia, suficiência e validade das evidências. As evidências devem ser verificáveis e baseadas em informa??es confiáveis e objetivas. é importante que os auditores sejam independentes e competentes, seguindo protocolos de coleta rigorosos. No relatório, as evidências devem ser apresentadas de forma clara e precisa, com uma análise detalhada que suporte as conclus?es e recomenda??es do auditor, garantindo transparência e facilitando a tomada de decis?o baseada em dados.

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5 Review and monitor the audit evidence

The quality and reliability of audit evidence are not static, but dynamic. They may change over time due to new information, events, or circumstances. Therefore, you need to review and monitor the audit evidence throughout the audit process, and update it if necessary. You also need to follow up on the implementation and effectiveness of the recommendations based on the audit evidence, and verify that they have achieved the desired outcomes.

By following these tips, you can guarantee quality and reliability of audit evidence, and enhance your credibility and professionalism as an information systems auditor.

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Fábio Eduardo Nunes

Especialista em Auditoria Interna e Compliance | Lideran?a em ESG, LGPD e Governan?a Corporativa
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Primeiramente, é fundamental que as evidências sejam precisas, completas, relevantes e suficientes para fundamentar as conclus?es da auditoria. A revis?o contínua e o monitoramento das evidências ajudam a verificar sua consistência e confiabilidade ao longo do tempo. Isso inclui a avalia??o da eficácia dos controles internos, a análise de riscos e a monitora??o do ambiente de controle. A documenta??o deve ser clara e sistematicamente organizada para facilitar a revis?o e a verifica??o independentes. Ademais, é importante que os auditores mantenham uma postura crítica e questionadora durante a coleta e análise das evidências, utilizando métodos validados e reconhecidos para a coleta de dados e avalia??es.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Timothy R. T.
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To guarantee quality and reliability of audit evidence, several key measures can be implemented. First, it is crucial to establish a comprehensive and well-designed audit plan that outlines the scope, objectives, and procedures to be followed. Second, auditors should ensure independence and objectivity throughout the audit process, maintaining professional skepticism and avoiding conflicts of interest. Third, utilizing appropriate sampling techniques and selecting relevant/reliable sources of evidence are essential. Last, employing experienced auditors, adhering to professional standards and guidelines, and conducting thorough documentation and review procedures contribute to ensuring the quality and reliability of audit evidence.

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How can you guarantee quality and reliability of audit evidence?

1

2

3

4

5

6

1 Understand the audit context

2 Plan and design the audit procedures

3 Execute and document the audit procedures

4 Evaluate and report the audit evidence

5 Review and monitor the audit evidence

6 Here’s what else to consider

Information Systems

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How can you guarantee quality and reliability of audit evidence?

1

2

3

4

5

6

1 Understand the audit context

2 Plan and design the audit procedures

3 Execute and document the audit procedures

4 Evaluate and report the audit evidence

5 Review and monitor the audit evidence

6 Here’s what else to consider

Information Systems

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