LEARNING AREA 1 :
INFORMATION AND
COMMUNICATION TECHNOLOGY
PRIVACY
AUTHENTICATION
VERIFICATION
LEARNING OUTCOME :
• List way to protect privacy
• State
authentication
and
verification
methods
/
technologies
What is Privacy ?
• in IT refers to data and information privacy
How does computer technology threaten
the privacy of our data?
1. Cookies
are used to identify users by web casting, e-commerce and other web
applications.
2. Electronic profile
combining of data in a database that can be sold to the Internet by the
company to the interested parties.
3. Spyware
refers to a program that collects user information without the user’s
knowledge.
Example of cookies :
Example of internet profile :
Example of spyware:
WHY DO WE NEED PRIVACY?
• We need privacy for anonymity.
• We also need privacy for confidentiality.
Privacy can be protected by:
(a) Privacy law
(b) Utilities software
Ways to protect privacy
1. Look for privacy policies on web sites.
2. Get a separate account for your personal e-mail.
3. Teach your kids that giving out personal information online means
giving it to strangers.
4. Clear your memory cache after browsing.
5. Make sure that online forms are secure.
6. Reject unnecessary cookies.
7. Use anonymous remailers.
8. Keep your e-mail private, use encryption.
9. Use anonymizers while browsing.
10. Purchase goods with cash, rather than credit card.
11. Install personal firewall.
12. Fill in only necessary information on warranty and registration form.
AUTHENTICATION
• Process where user verifies their identity.
• 2 methods :
1.
Callback
system
2.
Biometric
device
Example of callback system
2
something you are
VERIFICATION
• Act of proving or disproving the correctness of a system
with respect to a certain formal specification.
• 2 methods are :
1.
User
identification
2.
Processed
object
1
something you know
Password
Pin number
*********
*********
2
something you have
ATM Card
Smart Card
Security Token
Something you know
Pin number
Password
Something you have
SECURITY TOKEN
A security token is a small handheld device
that dynamically generates and displays a password.
Something you know
Static Password
Dynamic Password
342601
Something you have
CONCLUSION
• 12 ways to protect privacy.
• 2 commonly authentication methods are :
– Biometric device (something you are – part of
user’s body)
• Fingerprint recognition, facial recognition,
hand geometry scanning, iris scanning, retinal
scanning, voice recognition, signature
verification system.
– Callback system
• Used in the bank operation and business
transaction.
CONCLUSION
• 2 commonly verification methods are :
–User identification (something you know –
have to remember)
• Pin number or password
–Possessed object (something you have – an
object)
• Atm card, credit card, key, security token
and smart card