We also built a (Accounting, Authentication, Authorisation and Auditing) system, which comprehensively records and audits all service and maintenance operations; We developed a “Golden Storehouse Method” that strictly controls key operations involving sensitive customer information, covering a total of 17 key systems; We have carried out measures to obscure sensitive information in key service systems, preventing operations employees from gaining and divulging sensitive customer information; We have signed confidentiality agreements with employees, business partners and have launched customer information security management study sessions, ensuring that these trainings cover 100% employees from sales and management, telecommunication network maintenance and management, business support and management, third party maintenance and management; When an inquiry about a customers’ detailed phone information, personal location, and other sensitive information is made, an alert or confirmation text message is sent to the customer’s mobile phone, ensuring personal information security; In the course of new services development, we fully consider information security factors, and we appropriately also conduct the business services security evaluations, covering six aspects of network structure security, platform/software security, and service process security.