Before the financial report is released, employees may leak confidential data through the following channels: 1. **Social media**: Some employees may share information on social media, and although they usually follow the company's social media policy, there is still a risk of leakage. 2. **Private chat applications**: Private chat tools such as WeChat and WhatsApp, employees may discuss sensitive company information with friends or family on these platforms. 3. **Email**: Internal company email or personal email may be used to leak confidential data, especially in external communications. 4. **Blogs or forums**: Some employees may share sensitive information through anonymous platforms or industry forums, especially in professional communities such as finance and investment. 5. **Industry conferences and social events**: At industry conferences or social occasions, employees may discuss company information with outsiders, especially over drinks or in informal settings. 6. **Internal information channels**: Certain internal communication tools or platforms may also be used improperly, resulting in information leakage. To prevent these risks, companies usually take some measures, including strengthening information security policies, conducting employee training, and monitoring communication channels.