• Mac OS X,  Mac Security

    Full Disk Encryption and Cost

    If you require Full Disk Encryption for all laptops in your organization then don’t forget to calculate the costs of doing so.  There is the chance that you might not need to provided you can control what company assets can leave the environment, but the cost of implementing a solution to do so might outweigh the cost of purchasing FDE software for the Mac populace…

  • Mac OS X,  Mac OS X Server,  Mac Security

    Mac OS X: Hey, where's my admin user?

    Hiding an admin user is a fairly straight forward task in Mac OS X.  To do so, open Terminal and run the following command: defaults write /Library/Preferences/com.apple.loginwindow Hide500Users -bool YES Now, what if you sit down at a machine and you don’t see an expected admin user?  Well, use that same command with a NO at the end to (hopefully) bring it back: defaults write /Library/Preferences/com.apple.loginwindow Hide500Users -bool NO

  • Mac OS X,  Mac OS X Server,  Mac Security

    Mac OS X: DNSChanger Removal Tool

    From SecureMac.com: SecureMac has released a free utility called DNSChanger Removal Tool to remove the DNSChanger Trojan Horse, also known as OSX.RSPlug.A and OSX/Puper, which has been found on numerous pornographic websites disguising itself as a video codec. Once downloaded and installed, DNSChanger changes the DNS settings on the computer, redirecting websites entered by the user to malicious sites. If personal information is entered on these malicious websites, it can lead to identity theft. If the DNSChanger trojan horse is detected, DNSChanger Removal Toolwill give you the option to remove it. If the DNSChanger trojan horse is detected and removed, you will need to restart your computer to clear out the bad DNS entries added…

  • Active Directory,  Mac OS X Server,  Mac Security

    Managing the Keytab with ktutil

    clear_list – Clears the current keylist  read_kt or rkt – Reads a krb5 keytab into the current keylist  read_st or rst – Reads a krb4 srvtab into the current keylist  write_kt or wkt – Writes the current key listing into a krb5 keytab  write_st or wst – Writes the current key listing to a krb4 srvtab  add_entry or addent – Adds an entry to the current key listing  delete_entry, delent – Deletes an entry from the current key listing  list – Lists the current key listing  list_requests or lr – Lists available keys