HCM CITY — HCM City is implementing solutions to ensure information security, including a four-layer protection model. Lâm Đình Thắng, director of the city’s Department of Information and Communications, answered questions from delegates at the 17th session of the municipal People's Council meeting on Monday, focusing on the city’s socio-economic and defense-security situation. Regarding information security and network security, the city is implementing a number of solutions such as placing all data in the city's data centre, which is monitored 24 hours a day and seven days a week. It is deploying the four-layer information security protection model at agencies and units, a database centre, a team of independent assessment experts and system-to-system connection ensured by centrally-run agencies. The city also has an information security response network to support units when incidents occur.