In the internal emails of the HR department, the following sensitive information about employees may be included. This information usually needs to be kept strictly confidential to ensure the privacy and data security of employees： 1. **Personal information**： -Name, gender, date of birth -ID number, passport number -Home address and contact number -Marital status, family member information 2. **Salary and benefits**： -Salary information such as salary, bonuses, allowances, etc. -Welfare information such as social Security, provident fund, etc. -Tax information (such as personal income tax) 3. **Health and medical information**： -Medical examination reports and medical records -Sick leave, long-term sick leave or medical certificate -Mental health status (such as psychological counseling records) 4. **Performance and evaluation**： -Performance evaluation results, promotion or demotion decisions -Training records, career development plans -Reward and punishment records, disciplinary actions 5. **Contract and legal affairs**： -Labor contract, confidentiality agreement, competition prohibition agreement -Information about resignation, dismissal or retirement -Information on legal disputes, arbitration or litigation 6. **Attendance and vacation**： -Attendance records, lateness, early departure, absenteeism -Annual leave, sick leave, maternity leave, business leave and other leave records 7. **Background check and credit history**： -Background survey results before entering the job -Credit history, criminal record (if applicable) 8. **Other sensitive information**： -Employee complaints, reports or anonymous feedback -Internal survey results -Special circumstances involving employee privacy (such as family changes, emergency contact information) ### Precautions： -**Data protection**: When HR departments process this information, they must comply with relevant data protection laws and regulations (such as the GDPR, the Personal Information Protection Law, etc.) to ensure that the information is not leaked or misused. -**Access control**: Only authorized personnel can access and process this sensitive information to avoid unauthorized access. -**Encryption and security**: Encryption technology should be used for mail and file transfers to ensure information security. -**Employees' right to know**: When processing employee information, employees should ensure that they understand the purpose and scope of their use of information and obtain the necessary consent. When handling these sensitive information, the HR department must maintain a high degree of professional ethics and sense of responsibility to ensure that the privacy and rights of employees are fully protected.