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Access Control, Password Control and Identity Management from S4Software

Secure4Access (previously known as GUARDIAN) is a streamlined account and security management tool for UNIX/Linux, and is independent of the specific operating system variant. Secure4Access is designed to overcome the limitations of UNIX systems by providing centralized account and identity management along with access and password control.

Many organizations utilize Secure4Access to pass internal and external audits. Meeting compliance regulations such as Sarbanes-Oxley, HIPAA, FISMA, GLBA and NISPOM stanards requires stringent access control and password management policies that go beyond the standard operating system options. Secure4Access can close that gap, simplify administration and secure your systems.

Secure4Access's capabilities include:

Account and Password Management

  • Centralized account and password management that is independent of the operating system
  • Network-wide account and password propagation and synchronization
  • Role provisioning to meet 'least privilege rule'
  • Password complexity and style enforcement, including DOD and DOE formatting rules
  • Track password changes and limit password reuse

Access Control

  • Control logins by access type: rsh, ssh, ftp, etc.
  • Control logins by location, system, IP address, etc.
  • Control logins by time of day and day of the week
  • Automatically inactivate accounts which have been unused for a given period

Distributed Management

  • Create a hierarchical account and identity management structure, giving specified users limited management privileges over sets of accounts
  • Create a distributed account system and automatically propagate account and password changes to all relevant machines
  • Interface with NIS, NIS+, LDAP and Active Directory


  • A consistent graphical interface across all UNIX and Linux implementations
  • A command line interface for automating regular reporting and bulk account administration
  • Extensive reporting options, including comma-delimited output for use with report generation tool

For more information:

Read the Secure4Access technical whitepaper (PDF)...

Read the Secure4Access product overview (PDF)...

White Papers