Ch21

Question 1

what are the four main virus propagation techniques

Answer 1

file infection
service injection
boot sector infection
macro infection

Question 2

what are rootkits used for and how to protect against them

Answer 2

rootkits are used to escalate priviledges and regular software patching will protect against rootkits

Question 3

why should developers of web applications use database stored procedure

Answer 3

limit the ability of the application to execute arbitrary code because with stored procedures, the
SQL statement resides on the database server and may only be modified by database administrators.

Question 4

Cross‐site scripting attacks are successful only against web applications that include

Answer 4

reflected input

Question 5

highly sophisticated worm designed to destroy nuclear enrichment centrifuges attached to Siemens controllers.

Answer 5

Stuxnet