Post on 01-Jan-2016
Security System
Ability of a system to protect
information and system resources
with respect to confidentiality and
integrity.
Components of Security System
Confidentiality
Integrity
Authentication
Components of Security System
Access Control
Non - repudiation
Availability
Privacy
Threats to Computer Security
A threat is a potential violation of
security.
Computer Viruses
Worms
Trojan Horses
Viruses can do the following if unchecked
Damage or delete files
Slow down the computer
Invade your E-Mail program
Spyware
Compromises your data
Alters PC Setting
Slow down computer
Adware
Track yore information just like
spyware
Display arrays of annoying
advertisements
Slow down computer
Spamming
Spam reduces productivity
Spasm eats up your time
Spam can lead to worse things
PC Intrusion
Sweeper Attack
Denial of Services
Password Guessing
Phishing
It is the criminally fraudulent process of
attempting to acquire sensitive
information such passwords, credit
card details etc.
Solutions to Security Threats
Active Protection
Preventive Measures
Active Protection
Use Anti – Virus and Anti Spyware
software
Download updates regularly
Run frequent system scans
Preventive Measures
Keep your system up to date
Use caution when downloading files
Be careful with E-Mails
Disable cookies, if possible