When defending a client who is being sued for stealing confidential data, if you wish to explain their actions as being for the public good, consider the following points: 1. **Establishing motive**: Make it clear that the client's original intention was to expose conduct that was harmful to the public or to help the public interest. For example, if the data reveals that a company or institution was involved in activities that endangered public health or safety, then the client's actions can be seen as being motivated by the need to avoid greater harm. 2. **Necessity and proportionality of disclosure**: Argue that the theft and disclosure of confidential data was the only or most reasonable means to achieve a public good. Show that the client had tried to resolve the issue through internal channels or other legal means, but that it did not work, forcing them to take more radical measures. 3. **No violation of public interest**: Show that the client minimized the impact on unrelated people or information in the process. Prove that the client only obtained and disclosed information directly related to the public interest and did not misuse other data obtained. 4. **Moral and ethical support**: Invoke the moral and ethical framework that supports the client's actions, such as the legality and legitimacy of "whistleblowing", and provide legal or public opinion support to prove that their actions were ethical despite being illegal. 5. **Sympathy strategy in court**: Try to gain the sympathy of the judge and jury on a human level, emphasize the client's good background and sense of responsibility to society, and portray him as a person of conscience rather than a deliberate lawbreaker. 6. **Case support**: Cite precedents in similar cases where the client was pardoned or released to support the defense, showing that the law can recognize and tolerate certain types of violations in certain circumstances. Finally, be sure to be prepared to respond to any rebuttals that the prosecution may raise, and ensure that the defense has sufficient legal basis and factual support to prove the public interest and necessity of the client's actions.