Guidelines for System Hardening 75 Operating system hardening 75 Application hardening 81 Authentication hardening 84 Virtualisation hardening 89 Guidelines for System Management 92 System administration 92 System patching 93 Data backup and restoration 96 Guidelines for System Monitoring 98 Event logging and monitoring 98 Guidelines for Software Development 100 Application development 100 Web application development 102 Guidelines for Database Systems 105 Database servers 105 Database management system software 106 Databases 107 Guidelines for Email 110 Email usage 110 Email gateways and servers 111 Guidelines for Networking 115 Network design and configuration 115 Wireless networks 119 iv

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