Security

1. Authentication

1.1. - Passwords and Pins

1.2. - Security Tokens (generate one time passwords)

1.3. - Biometrics (Using a part of the body to identify them)

2. Spam

2.1. 419 Types of Scams

2.1.1. Unwanted messages that are sent at once. Ex. emails

2.1.1.1. Use of Spam Bots to find emails

2.2. Emails provide free spam filters in order to prevent spam

3. Phishing

3.1. Worst than spam

3.1.1. Receive emails with a common company that the user uses but with a fake link. It is operated by criminals. When the user puts its username, password or any other thing like a credit card, scammers will get your information

3.2. In order to prevent them some websites have anti-phishing filters

4. Wireless Security

4.1. Wireless networks present additional risk compared to wired Ethernet networks. Wireless network data is vulnerable to interception because it is broadcast through the air

5. Psysical Security

5.1. Kensington Locks

6. Hacking

6.1. Technique: Social Engineering

6.2. Software Tool: Packet Sniffer

6.3. Key Loggers

6.4. Password Cracker

6.5. Use of Brute Force Methods

7. Malicious Software

7.1. Virus

7.2. Worms

7.3. Spyware

7.4. Rookits

7.5. Trojan Horses

7.6. In order to prevent malicious software from entering our computer, anti virus were created

8. Encryption

8.1. Needed to protect data form unauthorized access when it is sent over the untrusted network like internet