CIS608: Mesusa Corporation - Calculate ARO, ALE, and CBA

Sheet1

NAME:
SLE (Pre)	Frequency (Pre)	ARO (Pre)	ALE (Pre)	SLE (Post)	Frequency (Post)	ARO (Post)	ALE (Post)
Programmer Mistakes	$2,000	1 per week	$2,000	1 per month
Loss of Intellectual Property	$75,000	1 per year	$75,000	1 per 2 year
Software Piracy	$700	1 per week	$700	1 per year
Theft of Information (External)	$2,000	1 per quarter	$2,000	2 per year
Theft of Information (Internal)	$6,000	2 per year	$6,000	1 per year
Web Defacement	$500	1 per month	$500	1 per quarter
Theft of Equipment	$5,000	1 per year	$5,000	1 per 2 year
Viruses, Worm, Trojan Horses	$1,000	1 per week	$1,000	1 per month
DoS Attack	$1,500	1 per month	$1,500	2 per year
Earthquake	$250,000	1 per 20 years	$5,000	1 per 20 year
Flood	$250,000	1 per 10 years	$5,000	1 per 10 year
Fire	$500,000	1 per 10 years	$5,000	1 per 10 year
Cost of Control	Type of Control	CBA
Programmer Mistakes	$20,000	Training
Loss of Intellectual Property	$25,000	Firewall/IDS
Software Piracy	$25,000	Firewall/IDS
Theft of Information (External)	$25,000	Firewall/IDS
Theft of Information (Internal)	$5,000	Phys. Security
Web Defacement	$10,000	Firewall
Theft of Equipment	$11,000	Phys. Security
Viruses, Worm, Trojan Horses	$15,000	Antivirus
DoS Attack	$10,000	Firewall
Earthquake	$5,000	Insurance/Backup
Flood	$10,000	Insurance/Backup
Fire	$10,000	Insurance/Backup

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A

B

NAME:

SLE

(Pre)

Programmer Mistakes

$2,000

Loss of Intellectual Property

$75,000

Software Piracy

$700

Theft of Information (External)

$2,000