The ACFE Code of Professional Ethics is the foundational framework guiding the conduct of Certified Fraud Examiners (CFEs). Because fraud examiners investigate wrongdoing, their own conduct must be beyond reproach; the Code therefore establishes standards that protect the public, the profession, and the credibility of examination results.

Integrity is the cornerstone of the Code. CFEs must at all times demonstrate a commitment to professionalism and diligence in performing their duties, and they must not engage in any illegal or unethical conduct, or any activity that would constitute a conflict of interest. Integrity means being honest and candid, refusing to be party to deception, and acting consistently with the truth even when it is inconvenient or unpopular.

The Code also requires CFEs to exhibit the highest level of integrity when executing professional assignments and to accept only engagements for which there is a reasonable expectation that the assignment can be completed with professional competence. This connects integrity to competence: an examiner who overstates abilities or takes on work beyond their skill undermines trust.

Further provisions require CFEs to comply with lawful orders of courts, testify truthfully and without bias or prejudice, and obtain evidence or other documentation only through lawful means. In their reports, CFEs must reveal all material matters discovered that, if omitted, could distort the facts. Critically, the Code prohibits a CFE from expressing an opinion regarding the guilt or innocence of any person or party; determining guilt is reserved for the courts.

Confidentiality is another key principle. CFEs must not reveal confidential information obtained during an engagement without proper authorization, unless required by law.

Finally, the Code requires CFEs to continually strive to increase their competence and the effectiveness and quality of their services. Violations can result in disciplinary action, including revocation of the CFE credential. Together, these principles ensure that fraud examiners remain objective, trustworthy, and professional, preserving public confidence in the anti-fraud profession.

In the CFE Code of Professional Ethics, the prohibition against illegal and unethical conduct is foundational. The ACFE Code states that a Certified Fraud Examiner 'shall not engage in any illegal or unethical conduct, or any activity which would constitute a conflict of interest.' Because fraud examiners are entrusted to uncover dishonesty in others, any personal lapse in legality or ethics undermines their credibility, the admissibility of their work, and the reputation of the profession as a whole.

Illegal conduct refers to any violation of criminal or civil law, whether or not it relates directly to a fraud examination. Examples include theft, bribery, tax evasion, perjury, unauthorized access to computer systems, illegal wiretapping, or pretexting to obtain confidential financial records. A CFE must never commit a crime to solve a crime; evidence obtained illegally may be excluded in court and can expose the examiner and client to liability.

Unethical conduct is broader and includes behavior that, while perhaps technically legal, violates moral standards or the spirit of the Code. Examples are misrepresenting credentials, exaggerating findings, accepting gifts from parties under investigation, disclosing confidential information, failing to disclose a conflict of interest, or offering opinions on guilt or innocence. Fraud examiners are expected to exhibit the highest level of integrity in both professional and personal matters, because personal misconduct can be used to impeach their testimony or discredit their findings.

The ACFE enforces this standard through its Board of Regents and disciplinary process. Violations can result in censure, suspension, or revocation of the CFE credential. Importantly, the rule covers conduct that reflects adversely on the member even outside professional work, such as a conviction for a felony or a crime involving dishonesty.

In essence, this principle demands that CFEs lead by example: their authority to expose wrongdoing rests on their own unwavering commitment to lawful, honest behavior at all times.

In the Certified Fraud Examiner (CFE) framework, a conflict of interest arises when a fraud examiner's personal, financial, or professional interests could compromise, or reasonably appear to compromise, their independence, objectivity, or professional judgment. The ACFE Code of Professional Ethics requires members to exhibit the highest level of integrity and to avoid any situation that could impair their impartiality. Conflicts can be actual (a real competing interest exists), potential (circumstances could develop into a conflict), or perceived (an outside observer might believe the examiner cannot be impartial). All three types matter because fraud examinations often lead to litigation, where opposing counsel will aggressively challenge an examiner's credibility and motives. Common sources of conflict include having a financial stake in the outcome of an engagement, holding investments in the client or subject company, prior employment with or family ties to parties involved, accepting gifts or favors from interested parties, serving simultaneously as an advocate and an objective expert, or working for two clients with adverse interests. Contingent fee arrangements are particularly problematic because they tie the examiner's compensation to a specific result, which is why the ACFE Code of Professional Standards prohibits them in fraud examinations. To manage conflicts, CFEs should perform conflict checks before accepting any engagement, maintain documented records of relationships and interests, and promptly disclose any actual or potential conflicts to the client or engaging attorney. In many cases disclosure allows the client to make an informed decision and waive the issue; in others, the examiner must decline or withdraw from the engagement entirely. Examiners should also avoid forming opinions or making representations about guilt or innocence, which protects objectivity. Ultimately, managing conflicts of interest protects the examiner's professional reputation, preserves the evidentiary value of their work, and upholds public trust in the fraud examination profession.

Professional skepticism is a foundational attitude that every Certified Fraud Examiner (CFE) must maintain throughout an engagement. Within the ACFE's ethical framework, it means approaching every examination with a questioning mind and a critical assessment of evidence, neither assuming that management or other parties are dishonest nor accepting their representations at face value. It is a mindset of informed doubt: the fraud examiner recognizes that fraud is possible in any environment, that documents can be falsified, that explanations can be rehearsed, and that even credible-seeming individuals may have motive and opportunity to deceive.

In practice, professional skepticism requires the CFE to corroborate verbal statements with independent documentary or physical evidence, to test the authenticity and reliability of records, to consider alternative explanations for anomalies, and to remain alert to red flags such as missing documentation, unusual transactions, or inconsistent accounts. It also means resisting pressure—whether from a client, an employer, or time constraints—to reach a conclusion prematurely or to overlook inconvenient facts. The examiner must follow the evidence wherever it leads, even if the findings are unwelcome.

Professional skepticism is closely tied to the CFE Code of Professional Ethics, which demands integrity, objectivity, and the avoidance of bias. A skeptical examiner is less likely to be manipulated by a subject's charm or authority, and less likely to confirm a predetermined theory. At the same time, skepticism must be balanced with fairness: the CFE is not a prosecutor seeking guilt, but a fact-finder who must weigh exculpatory evidence as carefully as incriminating evidence. The Code expressly prohibits expressing opinions on guilt or innocence; skepticism supports this by keeping conclusions grounded in verified facts rather than assumptions.

Ultimately, professional skepticism protects the credibility of the fraud examination, the rights of those investigated, and the public trust placed in the CFE designation.

Under the ACFE Code of Professional Ethics, a Certified Fraud Examiner 'shall not express an opinion regarding the guilt or innocence of any person or party.' This is one of the most important ethical limits on a fraud examiner's role, and it reflects the boundary between investigation and adjudication.

The rationale is rooted in the separation of functions in the justice system. Determining guilt or innocence is the exclusive province of the trier of fact—a judge or jury—who weigh all evidence under the applicable legal standard (such as 'beyond a reasonable doubt' in criminal cases). A fraud examiner, no matter how skilled, is a gatherer and presenter of evidence, not a decision-maker about legal culpability. 'Guilt' is a legal conclusion requiring findings about intent, elements of the offense, and defenses, which go beyond the examiner's expertise.

In practice, this means a CFE should report facts, findings, and evidence rather than verdicts. For example, an examiner may state: 'The evidence indicates that $50,000 was transferred from company accounts to an account controlled by Mr. Smith, and the transfers were not supported by authorized documentation.' The examiner should not state: 'Mr. Smith is guilty of embezzlement.' Similarly, in expert testimony, CFEs may explain the evidence and what it shows but must avoid characterizing the defendant as guilty.

This limit also protects the examiner's credibility and objectivity. Expressing opinions on guilt can suggest bias, undermine the examiner's standing in court, expose the examiner to defamation or malicious prosecution claims, and prejudice the rights of the accused, including the presumption of innocence.

Importantly, this rule does not prevent a CFE from drawing reasonable conclusions from the evidence, identifying red flags, or opining on whether fraud appears to have occurred based on the facts. The prohibition specifically targets conclusions about a person's legal guilt or innocence. The examiner's job is to let the evidence speak and allow the appropriate authorities to render judgment.

In the context of the Certified Fraud Examiner (CFE) Code of Professional Ethics, privileged and confidential information refers to sensitive data that fraud examiners obtain during the course of their engagements and which they are ethically and often legally bound to protect. The ACFE Code of Ethics explicitly states that a CFE shall not reveal any confidential information obtained during a professional engagement without proper authorization. This duty is fundamental because fraud examinations routinely expose examiners to trade secrets, financial records, personnel files, legal strategies, and personal details of suspects, witnesses, and victims.

Confidential information is any data the client or employer expects to be kept private, whether or not it is protected by law. Privileged information carries a stronger, legally recognized protection, most notably the attorney-client privilege and the attorney work-product doctrine. When a fraud examiner is retained by legal counsel, the examiner's work may fall under these privileges, shielding communications and analyses from disclosure in litigation. CFEs must understand that privilege belongs to the client, not the examiner, and that careless disclosure can waive the privilege, exposing the client to significant harm.

Ethical obligations persist beyond the end of an engagement. A CFE may not use confidential information for personal gain, share it with unauthorized third parties, or discuss case details publicly, even anonymously, if identification is possible. Exceptions exist where disclosure is required by law, court order, or a valid subpoena, or where the client consents. In such cases, the examiner should disclose only what is legally compelled and, where appropriate, consult legal counsel first.

Practically, protecting privileged and confidential information requires secure document handling, encrypted communications, controlled access to case files, and clear engagement letters defining confidentiality terms. Breaching these duties can result in disciplinary action by the ACFE, civil liability, loss of professional credibility, and compromise of the investigation itself. Maintaining confidentiality thus upholds both client trust and the integrity of the fraud examination profession.

Professional Competence is a core principle in the ACFE Code of Professional Ethics, which requires that Certified Fraud Examiners perform only those services they are qualified to deliver through adequate education, training, and experience. For a CFE, this means honestly assessing one's own abilities before accepting an engagement and declining or referring matters that fall outside one's expertise, such as highly technical digital forensics, complex securities valuation, or legal questions reserved for attorneys.

Competence has two dimensions. The first is attaining competence: earning the CFE credential demonstrates mastery of the four core disciplines—Financial Transactions and Fraud Schemes, Law, Investigation, and Fraud Prevention and Deterrence. The second is maintaining competence: fraud schemes, technology, regulations, and investigative techniques constantly evolve, so the ACFE mandates Continuing Professional Education (CPE). CFEs must complete at least 20 CPE hours annually, with a minimum of 10 directly related to fraud detection and deterrence and 2 in ethics.

Professional Competence also carries a duty of due professional care. CFEs must plan engagements properly, gather sufficient relevant evidence, apply appropriate methodologies, supervise staff adequately, and document work so conclusions are defensible. Competence does not demand perfection or guarantee that every fraud will be detected, but it does require the diligence a reasonably prudent fraud examiner would exercise in similar circumstances.

The ethical rationale is clear: clients, employers, courts, and the public rely on a CFE's findings, which may lead to terminations, prosecutions, or financial recoveries. An incompetent examination can harm innocent parties, allow fraudsters to escape, expose the examiner to liability, and damage the profession's credibility. Thus, competence is inseparable from integrity and objectivity.

In practice, a competent CFE knows the limits of his or her knowledge, seeks expert assistance when necessary, stays current through study and training, and never represents skills he or she does not possess. Upholding this standard protects stakeholders and sustains trust in the fraud examination profession.