Employment Termination: Navigating Confidentiality Breaches and Fair Practices
The Supreme Court, Decision No. 7189/2562, ruling in a high-profile labor case has shed a spotlight on the intricate interplay between employee confidentiality obligations and fair employment termination practices. The case involved an offshore petroleum company that terminated the employment of a training instructor after allegations of disclosing confidential company information. This decision offers valuable insights and lessons for both employers and employees alike.
Confidentiality Obligations: A Sacrosanct Duty
The court’s ruling reinforced the fundamental principle that employees have a sacrosanct duty to protect their employer’s confidential information and trade secrets. Unauthorized disclosure or mishandling of such sensitive data can constitute grounds for disciplinary action, including termination of employment. This obligation extends beyond the employee’s tenure with the company, underscoring the enduring nature of confidentiality responsibilities.
Defining Confidential Information: A Contextual Approach
The court adopted a contextual approach in defining what constitutes confidential information in this case. It scrutinized the nature of the information disclosed by the plaintiff-employee, specifically the audit reports from a third-party training organization. The court determined that these reports contained sensitive data pertaining to the defendant-company’s operations, training standards, and were protected by a non-disclosure agreement between the company and the third-party organization.
Notably, the agreement between the employer-defendant and the employee-plaintiff explicitly stipulated confidentiality obligations, whereby the plaintiff agreed to safeguard the defendant’s information and data. This agreement underscored the paramount importance the defendant placed on protecting and preserving information related to its business operations.
However, the plaintiff’s submission of the document containing the defendant’s organizational and managerial information, aimed at ensuring the defendant’s training and assessment standards, to the plaintiff’s personal email account raised significant concerns. This action facilitated the potential unauthorized transmission or removal of such information without the defendant’s ability to monitor or track its dissemination.
Consequently, the court viewed the plaintiff’s actions as a breach of duty, constituting dishonest conduct and an unauthorized disclosure of the defendant’s confidential information. This intentional act was deemed to have caused harm to the employer and amounted to a violation of disciplinary regulations governing workplace behavior.

Fair Termination Practices: Striking the Right Balance
While acknowledging the employer’s right to terminate employment for breaches of confidentiality, the court emphasized the importance of following fair termination procedures. This includes providing proper notice, adhering to labor laws, and ensuring that the termination is not considered unfair, retaliatory, or discriminatory. The court’s decision serves as a reminder that even in cases of confidentiality breaches, employers must exercise due diligence and uphold principles of fairness and equity.
Burden of Proof: A Stringent Standard
In cases of employment termination, the court placed a stringent burden of proof on the employer to demonstrate that the termination was justified and in compliance with applicable laws and regulations. The employer must provide clear and convincing evidence to substantiate the grounds for termination, particularly in cases involving confidentiality breaches, where the consequences for the employee can be severe.
Balancing Interests: A Delicate Equilibrium
The court’s ruling highlights the need to strike a delicate balance between the employer’s legitimate interest in protecting confidential information and trade secrets, and the employee’s right to fair treatment and due process during termination proceedings. This equilibrium ensures that both parties’ interests are safeguarded and that employment relationships are governed by principles of fairness, transparency, and mutual respect.
Confidentiality Policies and Procedures: A Proactive Approach
The court’s decision underscores the importance of employers implementing robust confidentiality policies and procedures. Clear guidelines, training programs, and well-defined consequences for breaches can help prevent confidentiality issues from arising in the first place. Additionally, ensuring that employees understand and acknowledge these policies can strengthen the employer’s position in the event of a dispute.
Employee Responsibilities: Upholding Trust and Integrity
For employees, this case serves as a reminder of the gravity of their confidentiality obligations and the potential consequences of breaching such trust. Employees must exercise utmost care in handling sensitive information and refrain from any unauthorized disclosure or misuse. Maintaining professional integrity and upholding the confidentiality of employer information is not only a legal obligation but also a ethical responsibility.
The Supreme Court’s ruling in this case has far-reaching implications for both employers and employees. It underscores the significance of maintaining confidentiality in the workplace and the potential consequences of breaching such obligations. At the same time, it emphasizes the importance of fair employment practices, adherence to labor laws, and the need for employers to provide due process and proper justification when terminating employees.

As the business landscape evolves, with an increasing emphasis on data protection and trade secret preservation, this ruling serves as a timely reminder for all parties to exercise caution in handling confidential information and to understand their respective rights and responsibilities in the employment relationship. By fostering a culture of trust, transparency, and mutual respect, employers and employees can create a harmonious and legally compliant work environment, where both parties’ interests are protected, and the sanctity of confidentiality is upheld.
Author: Panisa Suwanmatajarn, Managing Partner.
Other Articles
- Proposed Amendments to Anti-Corruption Legislation to Align with OECD Standards
- Notification of the Competent Officer on Exchange Control (No. 38) — Draft Amendment
- Thailand’s Proposed Updates to the Non-Preferential Certificate of Origin Framework for Exports to the United States and the European Union
- Thailand’s Expanding Trade Network: Key Updates on FTAs with Partner Countries
- Thailand FDA — Proposed Food Labelling Rules for Prepackaged Foods
- U.S. Tariff Developments Post Supreme Court Ruling



