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