Lesson14.Optimizing Data Confidentiality

Lesson 14. Optimizing Data Confidentiality

Time

This lesson takes approximately 2 hours to complete.

Goals

Review standard UNIX permissions Configure appropriate file-system permissions and ACLs to provide data security Determine when to use SUID and GUID permissions Audit for inappropriate SUID and GUID permissions Restrict the administrator's home folder permissions so that other users cannot browse it Learn the location and function of file-system access control lists Configure Mac OS X computers for optimum data confidentiality by encrypting sensitive data on the local file system Understand the encryption features of FileVault Create a secure documents folder by encrypting a disk image Disable possible data leaks by encrypting the swap space, wiping clean free space, and using secure empty trash

In a collaborative, networked computing environment, the ability to share your information with others benefits group productivity. However, controlling access to that data is of incredible importance; information accidentally made available to the wrong person can seriously compromise the success of your project or company.

In this lesson, you will work with several security techniques to ensure that only intended recipients see the data you want to share.