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System and Data Security

System Security:

► Access to HW4 is protected by the combined use of
     user IDs and passwords
► Each HW4 user can be given a different set of rights so
     as to limit access to specific functions
► Attempts to login with the wrong password are recorded
► HW4 startup is aborted after 3 attempts with the wrong
     password

System and file security at the operating system level: use of a unique Windows account for each HW4 user, and coordinate Windows permissions and the HW4 user rights

Device Security:

► The configuration and programming of devices exposed
      to the Internet can be password protected against
      malicious users

Data Security:

► Data files, protocols and audit trails are protected by the
     HW4 tamper detection feature
► Electronic signatures are protected against tampering
     and cut and paste operations
► To provide additional protection, data files can be
     recorded in the binary format