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Trojan viruses. A 

Trojan

 is a virus that masquerades as a bona fide application. They are 

named after the Greek myth of the giant wooden horse used by attackers to gain access to 

Troy. Examples include utilities such as a  file-  sharing program, a screen saver, upgrades 

to some system components and even imitation  anti-  virus programs. The advantage for 

Business continuity 

management or 

disaster recovery

Measures taken to ensure 

that information can be 

restored and accessed 

if the original information 

and access method are 

destroyed.

Computer virus

A program capable of 

 self-  replication,  allowing 

it to spread from one 

machine to another. It 

may be malicious and 

delete data, or benign.