TY - BOOK AU - Palmer, Michael TI - Guide to operating systems security SN - 9788131506868 U1 - 005.8 PY - 2008/// CY - New Dehli PB - Cengage Learning KW - Computer security N1 - includes glossary and index; 1 Operating systems security: keeping computers and networks secure 2 Viruses, worms and malicious software 3 Security through authentication and encryption 4 Account based security 5 File, directory and shared resource security 6 Firewalls and border security 7 Physical and network topology security 8 Wireless security 9 Web, remote access and vpn security 10 Email security 11 Security through disaster recovery 12 Security through monitoring and auditing ER -