Preventing network threats

Preventing network threats

1. Strong passwords

   • Restrict access to authorised users
   • At least 8 characters
     • Uppercase and lowercase
     • With symbols and numbers
   • Changed regularly
   • Never shared

2. User Access Levels

   • Restricts the rights and permissions of certain functions

3. Network Policies

   • Rules on what users can and cannot do on a network
   • Outlines consequences

4. Penetration testing

   • Hackers / Testers intentionally try to gain unauthorised access to a network or system
   • Checks how robust and secure their network is
   • Finds any vulnerabilities that an attacker could exploit

5. Network forensics

   • Monitors network activity
     • E.g - who has logged in
       • What has been modified
   • Identifies unusual activity

6. Anti-malware software

   • Detects and removes malware
   • Should be constantly updated to tackle new threats

7. Encryption

   • Scrambling data so it cannot be understood by unauthorised users
   • A key decrypts the data
     • Public and private keys

8. Firewalls

   • Manages what enters and leaves a network
   • Protects a WAN