Before the financial report is released, some employees may leak confidential data through the following channels: 1. **Social media**: WeChat, Weibo, Facebook, Twitter and other social media platforms sometimes become channels for accidental or deliberate information leakage. 2. **Online forums and discussion boards**: Employees may accidentally discuss or leak information on forums such as Zhihu, Douban, or Reddit abroad. 3. **Email and instant messaging software**: Sharing information through personal or work email and instant messaging tools such as WeChat, WhatsApp, Slack, etc. 4. **Dark web and anonymous platforms**: Some personnel may use the dark web or other anonymous platforms to deliberately leak or sell financial information. 5. **Internal systems**: Unencrypted or inadequately secure internal company systems or file sharing platforms may become leakage points. 6. **Physical documents and non-electronic forms**: Printed documents, notebooks or meeting materials may be obtained by others in the office or public places and cause leakage. 7. **Verbal communication**: Information is accidentally leaked through face-to-face communication or telephone calls. Companies usually take a variety of measures to strengthen information security, including employee training, technical means monitoring and policy constraints to prevent the leakage of confidential information.