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Ch.28 Threats & Security on the Internet 2 - Coggle Diagram
Ch.28 Threats & Security on the Internet 2
Data Privacy
collection of personal data
the Personal Data (Privacy) Ordinance and Privacy Policy
by The Office of the Privacy Commissioner for Personal Data (PCPD)
Privacy Threats on the Internet
Hacking
Problem:
gain unauthorized access
hacking program : sniffers
Spam
(junk email)
mostly advertising commercial products / services
Problem:
unsolicited messages
internet traffic
Measure to fight against spam:
never reply
using spam-filtering
Phishing
the act of sending message that seem to come from trustworthy person
prevent measure:
don't open hyperlinks / suspicious sources
don't disclose your personal info on the internet
Ways to maintain Privacy
Anonymity on the internet
Safeguard your passwords
use strong pw : make it long & use special character
don't write down & share pw
change pw regularly
use different pw on different systems
use biometrics e.g. fingerprint, face ID, retina ID
others
delete browsing record (cookies)
Encryption Technologies
Symmetric Key Encryption
Public & private key encryption system
secured data transmission
identity verification
done by Hongkong Post
Access