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Protection against Theft
Always physically secure your system against theft whenever possible. Various
securing tools (like chains) are available in retail stores.
Strong Authentication
Use biometric authentication in addition to standard authentication via login and
password. openSUSE supports ngerprint authentication. For more details, see
Chapter 7, Using the Fingerprint Reader (↑Security Guide).
Securing Data on the System
Important data should not only be encrypted during transmission, but also on the
hard disk. This ensures its safety in case of theft. The creation of an encrypted
partition with openSUSE is described in Chapter 10, Encrypting Partitions and
Files (↑Security Guide). Another possibility is to create encrypted home directories
when adding the user with YaST.
IMPORTANT: Data Security and Suspend to Disk
Encrypted partitions are not unmounted during a suspend to disk event.
Thus, all data on these partitions is available to any party who manages to
steal the hardware and issue a resume of the hard disk.
Network Security
Any transfer of data should be secured, no matter how the transfer is done. Find
general security issues regarding Linux and networks in Chapter 1, Security and
Condentiality (↑Security Guide). Security measures related to wireless networking
are provided in Chapter 24, Wireless LAN (page 431).
22.2 Mobile Hardware
openSUSE supports the automatic detection of mobile storage devices over FireWire
(IEEE 1394) or USB. The term mobile storage device applies to any kind of FireWire
or USB hard disk, USB ash drive, or digital camera. These devices are automatically
detected and congured as soon as they are connected with the system over the corre-
sponding interface. The le managers of both GNOME and KDE offer exible handling
of mobile hardware items. To unmount any of these media safely, use the Safely Remove
(KDE) or Unmount (GNOME) feature of either le manager.
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