Computer Security

Dylan, Robert, Matanel, Jordan

Topics Covered• Password Security

• Security softwares

• Consequences of computer insecurity

• Preventing hacks

Password Security • Consequences of weak passwords

• Results of a strong password

• Tips for password security

“Passwords are like underwear; you don’t let people see it, you should change it very often, and you shouldn’t share it

with strangers.”

- Chris Pirillo

Password Security (Cont.)

Weak Password Examples

Strong Password Examples

• john1234• abc123• qwerty• Password• 12345678

• jelly22fi$h• RollTide%.%• .Susan53• $m3llycat• d3ltagamm@

Antivirus Software• Antivirus software definition

• What do viruses do?

• Identification methods

• Data mining: algorithms used to analyze behavior of files

Antivirus Software Types

Antivirus Softwares

Firewall: gatekeeper; keeps

out incoming attacks

Antivirus software: scans viruses, stops

them from being installed

Antispyware software: scans

computer, removes spyware

Antivirus Software Programs

• Examples of programs:

Norton Antivirus

Bitdefender Internet Security

McAfee AntiVirus

Kaspersky Internet Security

Rogers Online Protection

Malware Popularity

80.8%

9.3%

6.4%2.9%

0.6%

Malware Popularity in 2012

TrojanWormVirusAdware / SpywareOthers

Firewall• Security system that controls network traffic

• Works as barrier

• Firewalls built in with operating systems

Firewall Types • Packet filter

• Application gateway

• Circuit level layer

• Proxy server

Consequences of Computer Insecurity

• Info and identity loss / theft

• Tracking a user’s actions

• Data manipulation

Preventing Hacks• Strong password

• Backing up info

• Having firewalls/antivirus softwares

• Never click on suspicious emails

Resources • "Data Mining: What Is Data Mining?" Data Mining: What Is

Data Mining? Web. 22 May 2015 • "What Are Heuristics?" We Live Security RSS 20. 29 Dec.

2010. Web. 22 May 2015. • "How Firewalls Work - HowStuffWorks." HowStuffWorks.

Web. 25 May 2015. • "What Is a Firewall?" Firewall: What It Is and How It Works.

Web. 25 May 2015. • Oak, Manali. "What Are the Effects of Computer Hacking?"

Buzzle. Buzzle.com. Web. 25 May 2015. • "How to Prevent Hacking." WikiHow. Web. 25 May 2015.