©HCCS & IBM® 2009 Stephen Linkin 1 Security On z/OS Stephen S. Linkin Houston Community College © HCCS and IBM 2009.

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Presentation transcript:

©HCCS & IBM® 2009 Stephen Linkin 1 Security On z/OS Stephen S. Linkin Houston Community College © HCCS and IBM 2009

©HCCS & IBM® 2009 Stephen Linkin 2 4/20/09 Why Security?  Easy To Create And Access Computerized Information  Dependent On Computer Systems  Intentional/Accidental Damage  System Cannot Be Compromised

©HCCS & IBM® 2009 Stephen Linkin 3 4/20/09 Security Facilities of z/OS  Provide Individual And Group Authority  Block Viruses, And Trojan Horses  Main Threat Within  Do Not Permit General TSO/ISPF Users Access To Production Systems

©HCCS & IBM® 2009 Stephen Linkin 4 4/20/09 Security Roles  System Programmer  Security Administrator

©HCCS & IBM® 2009 Stephen Linkin 5 4/20/09 The IBM Security Server  Basic Provisions User ID and Password Restricting Functions  Component List DCE Security Server LDAP Server z/OS Firewall Network Authentication Service Enterprise Identity Mapping PKI Services Resource Access Control Facility (RACF)

©HCCS & IBM® 2009 Stephen Linkin 6 4/20/09 The IBM Security Server  RACF Identify And Authenticate Users Authorize Users To Access Protected Resources Log And Report Attempted Unauthorized Access Control Access To Resources Allow Applications To Use RACF Macros

©HCCS & IBM® 2009 Stephen Linkin 7 4/20/09 The IBM Security Server  System Authorization Facility (SAF)

©HCCS & IBM® 2009 Stephen Linkin 8 4/20/09 Security Administration  RACF Remote Sharing Facility (RRSF)  RACF With Middleware

©HCCS & IBM® 2009 Stephen Linkin 9 4/20/09 Operator Console Security  Multiple Console Support (MCS) AUTH keyword on CONSOLE statement for CONSOLxx LOGON keyword in DEFAULT statement and RACF commands and profiles.

©HCCS & IBM® 2009 Stephen Linkin 10 4/20/09 Integrity  z/OS Has Program Integrity And Security The Authorized Program Facility (APF) Storage Protection Cross-memory Communication  Authorized Programs

©HCCS & IBM® 2009 Stephen Linkin 11 4/20/09 Integrity  z/OS Has Program Integrity And Security The Authorized Program Facility (APF) Storage Protection Cross-memory Communication  Authorized Programs  Storage Protection  Cross-memory Communication

©HCCS & IBM® 2009 Stephen Linkin 12 4/20/09 Integrity  z/OS Has Program Integrity And Security The Authorized Program Facility (APF) Storage Protection Cross-memory Communication  Authorized Programs  Storage Protection  Cross-memory Communication  Z/OS Firewall Technologies

©HCCS & IBM® 2009 Stephen Linkin 13 4/20/09 Summary  Read The Redbook