FASB’s SAS 142 and PCAOB’s AS 1105 require auditors to think critically about the evidence they gather. Marty Van Wagoner, Audit Partner at Mountainside Accounting & Consulting, explains how these standards address the evolving nature of business transactions, the use of emerging technologies, and the expanding use of external information sources. He emphasizes the importance of evaluating the relevance and reliability of audit evidence, discusses the need for heightened professional skepticism, and highlights the importance of critical thinking for successful, effective audits.