UnixReview continues its overview of the Sair Exams, with a list
of the top 50 things you need to know to pass Sair Exam 104. Here
are the first three:
1. The Computer Emergency Response Team (CERT) and
Coordination Center (CC) should be one of the first places to turn
to when an attack is suspected. Information about CERT/CC can be
found at: http://www.cert.org.
2. Systems administrators must always strive to minimize the
vulnerability of their system(s) to risks. This can be aided by
keeping backups of all data, verifying software before installing
it, keeping installed software current, and closely monitoring
3. PGP (Pretty Good Privacy) can be used to encrypt data and
keep it secure when sending across a medium. Two files to be
cognizant of are secring.pgp (the private key), and pubring.pgp
(the public key). PGP uses 128-bit encryption, and more information
on it can be found at: http://www.pgp.com. In addition to PGP, you
can also use DES and the crypt command for encryption.
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