It is important for auditors to maintain the audit quality by complying with regulations and standards of auditor independence and professional skepticism. The presence of material misstatements in financial statements can lead to improper decisions by key stakeholders. APES 110 provides necessary safeguards to internal whistleblowers with its standards. Lessons from Enron scandal can be used to increase audit quality. This report discusses public interest requirements of auditors, lessons from Enron collapse, and steps to address warning notes.