Network Security

Network Security

1. Passwords

   • password a secret word or phrase that must be used to gain admission to a place.
   • password a string of characters that allows access to a computer, interface, or system.
   • Use numbers for your passwords
   • Use a combination of lower-cases and capitals
   • 6+ letters for under 12
     • 8+ characters on your password if you are over 12 years old

2. Physical Security

3. Firewall

   • Controls data packets on your PC / Laptop
   • Identifies who is and who isn't allowed into your computer.
   • Prevents attackers getting into your computer

4. Encryption

   • encryption the process of converting information or data into a code, especially to prevent unauthorized access.
   • Encryption can secure messages, photos etc with a Cipher.
   • You can encrypt a message with a Cipher.
   • You decrypt messages with a key.
   • We use encryption when we want to hide things like private messages and photos which we don't want other people seeing.
   • You can tell if a website is using encryption for your data by looking at the link and seeing if it has a green padlock with https://
   • Some websites do not use encryption because there is no personal information you need to encrypt.
   • We use encryption everyday with things like Network Logons and passwords.

5. Anti Virus

   • McAfee
   • AVG
   • Scans your computer periodically for potential malware.
   • Quarantines (isolates) potential malware/malware.

6. Encryption (other lesson)

   • Encryption is a way to secure a message.
   • You encrypt a message by using a cipher.
   • You decrypt a message with a key like Caesers Cipher.
   • We use an encryption when we want to hide a message to certain people.