1. Lawyers represent divorce cases. When representing divorce cases, lawyers need to know the personal information and sensitive financial information of the parties. Therefore, lawyers need to strictly keep the privacy and confidential information of their clients and not disclose it to third parties.
2. Lawyers represent commercial contract disputes. When representing contract disputes, lawyers need to know the trade secrets of the parties, trade secrets and other sensitive information. Therefore, lawyers need to strictly keep the client's business secrets and confidential information, and may not disclose them to third parties. Lawyers have the obligation to protect clients' privacy and confidential information, which is the basic requirement of lawyers' professional ethics.