Security Threats

Security Threats - Click to edit Master subtitle style...

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Unformatted text preview: Click to edit Master subtitle style 8/15/11 Chapter 12 Security Threats 8/15/11 Today’s Objectives  Understand how security threats can affect you.  Know the sources of security threats. 8/15/11 Why Discuss IT Security?  Productivity  Privacy › ACLU Pizza Delivery  Theft › Financial Assets 8/15/11 How Big a Problem is Identity Theft?  Over 250 million U.S. identities compromised in last 3 years  Use of identities is going down  Your identity today is the same 5 years from now 8/15/11 How Much is Black Market Identity Information Worth?  $490 – credit card with PIN  $147 – driver’s license  $98 – social security number  $6 – PayPal account logon and password  $78-$294 – billing data including account number, address, social security number, home address, and birth date 8/15/11 What Are the Threats to Information Security?  Natural events  Human mistakes  Malicious human activity › Actions of disgruntled employees › Terrorism 8/15/11 Is Malware Present at VT? 8/15/11 What are Some Symptoms of a Malware Infection?  Your computer displays vulgar, embarrassing, or annoying messages  Your computer develops unusual visual or sound effects  Your computer suddenly seems to work very slowly 8/15/11 What are Some Symptoms of a Malware Infection?  Executable files increase in size unexpectedly  Your computer starts sending out lots of e- mail messages on its own  You have difficulty saving files, or files 8/15/11 What is Malware? Undesirable software on your computer › Virus › Worm › Trojan Horse › Denial of Service Attacks › Adware/Spyware What is a Virus? Program instructions in a file that reproduces itself, and spreads to other files on same computer 8/15/11 What is a Worm?...
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