Fraud Investigation Services

We investigate suspicions of employee-related fraud, misconduct, and ethical violations using independent, evidence-based methods before they result in greater losses.

Are These Risk Signals Present in Your Organization?

Cases of corporate misconduct often manifest not as a single incident, but through warning signs that emerge over time. If one or more of the following signs are present, it may be helpful to assess your organization’s risk level.

Fraud investigation is an evidence-based response to an unexpected suspicion; its purpose is to determine how the violation occurred, by whom, and from which system vulnerability it originated.

  • Unexplained financial losses or budget variances
  • Suspicious payment, purchase, or procurement processes
  • Reports received regarding employees or managers
  • Inconsistencies in documents, records, or reports
  • Unusual circumstances in supplier and business partnership relationships
  • Suspicions of a conflict of interest or abuse of authority
  • Weaknesses identified in internal control and audit processes

If your organization exhibits any of these signs, assess your risk level.

Internal Fraud Is More Widespread Than People Think

Recent studies conducted in Turkey show that fraud is no longer an exception but rather a risk area that companies regularly face. The real problem is often not that abuse occurs, but that it can go unnoticed for months or even years.

%85
In the past two years, at least one case of misconduct has been detected in approximately 85% of companies.
%40
In approximately 40% of companies, the total cost of fraud exceeded 5 million TL.
%35
Only 35% of companies conduct regular fraud risk assessments.
%50
Only half of the cases are detected within the first 12 months.

The Greatest Risk of Abuse Is That It Is Detected Too Late

The results of the Turkey Fraud Survey show that financial losses tend to increase as the time it takes to detect fraud lengthens. In many organizations, cases of fraud can go undetected for months or even years. When they are discovered, however, the consequences can extend beyond the financial realm to include operational, legal, and reputational impacts.

So, how well prepared is your company for these risks? With the Quick Fraud Risk Analysis in the next section, you can assess potential risk areas within your organization in just a few minutes.
Source: PwC Turkey & TEİD, Turkey Fraud Survey 2026
Procedure Abuse Risk Simulator
Risk Analysis
Internal Control Structure
Separation of Duties !
Reporting Mechanism
Supplier Risks !

Calculate Your Organization’s Fraud Risk Score

The Fraud Risk Simulator, developed by Prosecure , ACFE’s core approach and assessment of corporate fraud risks. It has been designed by utilizing these principles. The internal control structures of institutions, a quick preliminary assessment through processes and organizational risk areas It helps in making it happen. At the end of the assessment, which takes about 10 minutes, you can get a general overview of your organization’s risk level , identify areas that require attention , and make risk-prone vulnerabilities more visible.
21-Question Assessment
About 10 Minutes
Instant Results
Assessment Based on ACFE Criteria
Calculate Your Risk of Fraud
The assessment model was developed using the ACFE’s widely used fraud risk criteria. The results are for informational purposes only and are not a substitute for a professional investigation.

Why Prosecure

An Approach Based on the FBI and ACFE

An investigation model structured using advanced FBI investigative methodologies and the ACFE approach.

Over 25 Years of Investigation Experience

Experience in the public and private sectors in the areas of intelligence, financial crimes, organized crime, and aggravated fraud.

Chain of Evidence and Legal Precedent

Instead of assumptions, documents, data, financial records, and statements are preserved and examined using legally compliant methods.

Management Focused Reporting

Practical, action-oriented reporting that supports decision-making.

Why Prosecure

FBI-Based Approach

In accordance with the advanced investigative methodologies and ACFE standards that our founder, Hasan Alsancak, acquired at the FBI National Academy, we conduct a comprehensive analysis of the perpetrators, methods, control weaknesses, and financial impacts of fraud cases.

Over 25 Years of Investigation Experience

Over 25 years of experience in the public and private sectors in the fields of intelligence, financial crimes, organized crime, and aggravated fraud. Expertise in analyzing complex cases, uncovering networks of connections, and identifying critical risks.

Chain of Evidence and Legal Precedent

Documents, data, financial records, and statements are safeguarded and reviewed in accordance with the law. The findings obtained provide a solid basis for administrative proceedings, internal disciplinary investigations, and potential submissions to judicial authorities.

Management Focused Reporting

The findings of the investigation are evaluated to identify the causes, impacts, control deficiencies, and organizational risks of the incident; they are then transformed into clear and actionable reports that support decision-making processes.

Frequently Asked Questions

Below you will find answers to the questions we are most frequently asked about fraud investigations.

What is a Fraud Investigation?
A fraud investigation is an independent inquiry that examines allegations of unjust enrichment resulting from the abuse of trust and authority within companies. Its purpose is to address weaknesses in internal control mechanisms, prevent financial losses, and protect the organization’s reputation. A comprehensive investigation of data, documents, and employee statements by independent experts is of critical importance.
What Is the Difference Between a Fraud Investigation and an Internal Audit?
Internal audit is an ongoing activity aimed at mitigating risks by evaluating an organization’s processes, controls, and compliance mechanisms. A fraud investigation, on the other hand, is an independent inquiry conducted in response to a specific suspicion, report, or incident. While internal audit focuses on identifying risks, a fraud investigation aims to uncover how the incident occurred, who was responsible, the financial implications, and any control weaknesses.
Why Should Cases of Abuse Be Investigated by Independent Investigators?
In cases of misconduct, impartiality, confidentiality, and the integrity of evidence are of critical importance. Teams within the organization may have direct or indirect relationships with the parties involved in the incident. Independent investigation experts enhance the reliability of findings by objectively evaluating the evidence, reduce conflicts of interest, and ensure that the results of the investigation are more defensible.
What Should Be the First Step When an Allegation of Misconduct Arises?
In the initial phase, it is necessary to preserve evidence, secure relevant records, and conduct a preliminary assessment of the scope of the incident. Any missteps taken in the early stages could result in the loss of critical data or negatively impact the investigation. Therefore, the process must be managed as quickly, confidentially, and systematically as possible.
How Long Does a Fraud Investigation Take?
The duration of an investigation varies depending on the scope of the allegation, the volume of data, the number of individuals involved, and the objectives of the investigation. While some investigations can be completed within a few weeks, complex cases involving multiple individuals or processes may take longer. A preliminary assessment is essential to accurately determine the duration.
Can the Results of a Misconduct Investigation Be Used as Evidence in Legal Proceedings?
Findings obtained as part of a fraud investigation can serve as an important basis in legal proceedings, provided they are collected through lawful methods and evaluated in accordance with relevant legislation. However, since the circumstances of each case differ, how the findings are evaluated in judicial proceedings depends on the specific details of the case and the discretion of the relevant authorities.

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What is Fraud Investigation?

Fraud investigation is an evidence-based response to an unexpected suspicion; its purpose is to determine how the violation occurred, by whom, and from which system vulnerability it originated.

Fraud investigation is an independent investigation that investigates allegations of unfair gain through abuse of trust and authority in companies. Its purpose is to eliminate weaknesses in the internal control mechanism, prevent financial losses and protect the reputation of the organization. A holistic investigation of data, documents and employee statements by independent experts is critical.

Why Fraud Investigation and Prevention is Critical for Companies?

Every year, companies lose at least 5% of their revenue due to employee-related fraud. The loss is not only financial; fair competition, corporate sustainability, and reputation also suffer significant damage.

At least one out of every 20 organizations is currently engaged in active misconduct!

In today’s world of economic uncertainty and sociocultural decay, employee misconduct is more prevalent than ever before and continues to cost companies exponentially.

To what extent does your organization allow for fraud?

The question is not only “is there misconduct in the organization?”; the extent to which the organizational structure is open to misconduct is at least as critical as the previous question. This is because internal misconduct cases are often the result of corporate governance weaknesses, organizational culture, internal control and audit deficiencies, rather than a personal employee error.

For this reason, Prosecure’s fraud investigations are not limited to focusing on the perpetrator and the case at hand; we also aim to expose potential risk areas and identify systemic weaknesses.

The most professional corporate reflex in the face of an allegation of fraud is to uncover the truth ethically and as quickly as possible.

Every act of misconduct begins with a small inconsistency. Each day of delay multiplies the rate at which the loss grows. The way to protect your organization is to clarify suspicions before they escalate.

By evaluating your suspicions about your organization within the scope of our ‘fraud risk simulation’*, you can get a preliminary assessment of your current risk level.

Why Prosecure

FBI-Based Approach

In accordance with the advanced investigative methodologies and ACFE standards that our founder, Hasan Alsancak, acquired at the FBI National Academy, we conduct a comprehensive analysis of the perpetrators, methods, control weaknesses, and financial impacts of fraud cases.

Over 25 Years of Investigation Experience

Over 25 years of experience in the public and private sectors in the fields of intelligence, financial crimes, organized crime, and aggravated fraud. Expertise in analyzing complex cases, uncovering networks of connections, and identifying critical risks.

Chain of Evidence and Legal Precedent

Documents, data, financial records, and statements are safeguarded and reviewed in accordance with the law. The findings obtained provide a solid basis for administrative proceedings, internal disciplinary investigations, and potential submissions to judicial authorities.

Management Focused Reporting

The findings of the investigation are evaluated to identify the causes, impacts, control deficiencies, and organizational risks of the incident; they are then transformed into clear and actionable reports that support decision-making processes.

Calculate Your Risk with the Prosecure Fraud Risk Simulator

Prosecure Fraud Risk Simulator is a scientific data-based risk assessment platform developed by our investigation specialists for organizations, based on ACFE criteria , aiming to make internal and employee-related fraud risks visible.

The platform helps you analyze at an early stage which processes, roles and control points of your corporate governance structure are vulnerable to misconduct before misconduct incidents occur in your organization.

It should not be forgotten that detecting and investigating internal fraud signals at an early stage is the most effective way to control financial and reputational gates before they grow.

The Fraud Risk Simulator enables you to understand your organization’s current level of risk, prioritize areas of potential vulnerability, and provide concrete recommendations on where you need to take due diligence and preventive action before launching an in-depth independent investigation. In this way, companies can make more effective and measured decisions by focusing their resources on the most critical risk areas.

The most professional corporate reflex in the face of an allegation of fraud is to uncover the truth ethically and as quickly as possible.

Every act of misconduct begins with a small inconsistency. Each day of delay multiplies the rate at which the loss grows. The way to protect your organization is to clarify suspicions before they escalate.

By evaluating your suspicions about your organization within the scope of our ‘fraud risk simulation’*, you can get a preliminary assessment of your current risk level.

Fraud Risk
Simulator
How does it work?

1. Collection of Data and Indicators

Critical risk indicators related to organizational structure, processes and human factors are pre-assessed based on existing documents, process definitions and limited data sets. The aim is to identify key signals associated with fraud risk at an early stage.

2. Analysis and Modeling of Risk Areas

The collected data is analyzed in the light of fraud scenarios and sectoral references. At this stage, a holistic risk model reveals which processes, roles, or control points of the organization are more vulnerable to fraud.

3. Prioritization and Roadmap Development

Analysis results are prioritized according to impact and probability criteria. By creating an organization-specific risk map, a clear roadmap is presented on which areas require in-depth examination or preventive action.

Cases of fraud often show warning signs before they come to light. Assess your company’s risk level with this 21-question quick analysis and identify critical vulnerabilities.

* A data-driven pre-assessment approach that makes potential fraud risks visible at an early stage.

Why Do Companies and Law Firms Work with Prosecure?

Our clients summarize the reasons they choose Prosecure for complex investigation and risk assessment processes as follows:

For further evaluation “What do our customers say about us?” You can browse our page.

Value Propositions

  • Investigative methods developed by a founding leader, a graduate of the FBI National Academy, taking into account ACFE criteria, completely tailored to our company.

  • 25+ years of proven public and private sector experience in White Collar Crime, Skilled Fraud and Anti-Money Laundering.

  • Investigation processes personally managed by Senior Leadership from start to finish.

  • Advanced investigative methods tailored to each individual misconduct case.

  • Reporting that is appropriate for administrative and judicial proceedings and complies with legally admissible standards of evidence.

Each fraud investigation conducted at Prosecure is initiated, executed and finalized under the operational leadership of Hasan Alsancak.

The entire process and management presentation – from the initial interviews to the submission of the final report clarifying the suspicion – is handled single-handedly by a single senior leader and investigation team. No case file is handed over to other experts upon receipt.

Every fraud incident develops with different dynamics and no two cases are the same. For this reason, Prosecure investigates each case using case-specific methods, not standard templates.

Suspicions of fraud often stem not from a single incident, but from signs that emerge over time. An early and independent assessment helps prevent financial losses from escalating, evidence from being lost, and reputational risks from increasing.

Assessing internal fraud signals at an early stage is the most effective way to contain financial and reputational damage before it escalates. An independent fraud investigation clearly identifies risks and enables you to take the right actions in a timely manner, preventing further losses for your organization.

Frequently Asked Questions

Internal audit is a systematic assurance activity that assesses the compliance of processes with policies, procedures and legislation through pre-planned controls.

A fraud examination is a structured and professional investigation process initiated on a specific suspicion or allegation, in which the relevant act is investigated based on evidence.

The main purpose of this process is to uncover by whom, by which methods, and what control or system weaknesses resulted from the fraud.

According to ACFE, a significant proportion of fraud cases are related to internal control weaknesses, management pressure and abuse of authority. In an environment where fraud itself is fed by internal relationships, conducting the investigation within the same relationships may cause the risk to reproduce itself. For this reason, the ACFE recognizes the principle of an independent investigator as a de facto standard requirement in internal fraud cases.

In addition, the inherent limitations of in-house teams, hierarchical pressures, potential conflicts of interest and perceptual biases can lead to incomplete, delayed or inaccurate handling of misconduct cases. These structural risks are particularly pronounced where the cases under review are directly linked to internal relationships.

1) Behavioral Indicators

  • Standard of living that cannot be explained by income level
  • Overtime, not taking mandatory vacations
  • Resistance to internal control and audit processes; defensive, aggressive attitude

2) Financial Indicators

  • Recurring billing discrepancies,
  • Unauthorized transfers, cash shortfalls, or adjustments
  • Continuous/single source orientation to the same suppliers, unexplained differences in price breakdown

3) Operational / Systemic Indicators

  • Unauthorized access attempts, log deletion or frequent changes in access authorizations
  • Collection of request-approval-payment steps in the same person (concentration of authority)
  • Spike in file downloads/sharing, external email redirects
The first step is to closely monitor and, if necessary, block the suspected employee’s authorizations, and ensure that all digital/financial records are preserved without deletion. An action plan is then prepared with an impartial fraud investigation team, which reduces the organization’s reputational, financial and legal operational risk.

In fraud investigations, evidence is collected in accordance with chain of custody principles, preserved in a lawful manner and, when necessary, used as preliminary evidence in criminal or labor law proceedings.

Prosecutors and judges may request that this preliminary evidence be recollected in accordance with judicial procedures, but these findings are among the key references that determine the direction and influence the pace of investigations and prosecutions.

In any event, the findings of a fraud investigation are critical elements that directly affect both the speed and the final outcome of judicial and administrative proceedings.

Talk to an Expert

Tell us what you need. Our team will contact you to determine the best assessment and solution approach for your needs.

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