Transcript Introduction to Programming

Educational
Computing
Computer Security
and Ethics
David Goldschmidt, Ph.D.
Computer Science
The College of Saint Rose
Firewalls
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What is a firewall ?
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A security system that prevents unauthorized access to
data and information on a network or computer
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Prohibits access
from the Internet
Internet
Computer Security
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What is computer security risk?
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Any event or action that has the potential of causing a
loss or theft of computer equipment, software, data,
information, or processing capability
What is computer crime? Examples?
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Any illegal act involving a computer
e.g. unauthorized access, information/identity theft,
viruses, online predators, etc.
Acceptable Use Policies (AUP)
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What is an acceptable use policy?

Rules that govern the use of school and school district
computers, networks, and the Internet....
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Rules concerning objectionable materials
Rules concerning copyright
Guidelines for proper use
Guidelines for online safety of
personal information
Consequences of breaking
the rules
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Unauthorized Access and Use

What is unauthorized access?
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Accessing a computer
or network without
permission
What is unauthorized use?
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Using a computer or
data for unapproved
or illegal activities
how do you best select a password?
Viruses

What is a computer virus?
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An illegal computer program that is potentially damaging
to your computer
May cause corruption
or loss of data
May cause software
to malfunction or a
system meltdown
May be a harmless prank
Viruses
Viruses
Antivirus Software

Antivirus software detects, disinfects, and protects
computers and networks from viruses
Antivirus Software

How does antivirus software work?

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Detects programs attempting to write
new data to the boot program, the
operating system, etc.
Scans for known virus programs

Information about known viruses
are downloaded frequently
(daily or weekly)
Hardware Theft

Safeguard against hardware theft

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Keep equipment locked up
Security systems (e.g. alarms, video monitoring)
Physical security devices
(e.g. cables, locks, etc.)
Tracking device
Software Theft

What is software theft?

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Stealing software by stealing CDs or other media, or
illegally downloading and copying software
When software is purchased, the buyer typically
does not own the software!

Instead, the buyer has
purchased the right to
use the software
Software Licenses

End-user license agreement (EULA)
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User may install software on only one computer
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Or sometimes on one desktop and one laptop computer
User may not install software on a network
for multi-user use
User may make one copy of software for
backup purposes
User may not give copies to friends and colleagues
Software Licenses
also freeware or shareware
Information Theft

Information and identity theft have
become growing concerns
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Theft of credit card or bank account numbers
Theft of social security numbers
Theft of other private information

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e.g. financial aid, grades, courses, library records, etc.
How can a school, organization, or individual
prevent information theft?
Information Theft

Organizations can prevent information theft by:
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Not storing sensitive data (e.g. credit card numbers,
social security numbers)
Encrypting data
that is stored
Maintaining firewalls
and other network
security measures
Phishing

What is phishing?

A scam in which an official-looking e-mail or Web site
attempts to
obtain personal
information
Spam

What is spam?

Unsolicited e-mail messages selling products or services,
promoting (potentially phony) business opportunities, or
advertising offensive materials

For more information, check out:
http://www.strose.edu/officesandresources/technology_services/networkphones/livenetworkstatistics
Computer Ethics

What is computer ethics?
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Moral guidelines that govern the use of computers,
networks, and information systems
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Unauthorized access and use
Hardware, software, and information theft
Information privacy
Copyright
Existence of inappropriate materials on the Internet
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Computer Ethics
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U.S. government laws concerning privacy:
Computer Ethics
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U.S. government laws concerning privacy (cont.):
Computer Ethics
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U.S. government laws concerning privacy (cont.):
Objectionable Materials
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What types of objectionable materials are
available on the Internet?
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Racist, sexist, or otherwise discriminatory materials
easy to identify
Pornographic materials
Gambling Web sites
Age-restricted materials (e.g. cigarettes, alcohol, etc.)
Incorrect or inaccurate information
Objectionable Materials
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Government initiatives
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Children’s Internet Protection Act (2000)
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Protect children from obscene, pornographic, and other
information considered harmful to minors
Filtering software prevents Web browsers from displaying
materials from targeted sites or sites containing certain
keywords
Objectionable Materials
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Parental controls via rating systems
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Internet Content Rating Association (ICRA)
Web browser
reads rating of
Web pages,
and reacts
accordingly
Objectionable Materials
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Parental controls via filtering software
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Net Nanny
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Relevant
age groups?