Network Security

Network Security

1. Network Prevention Methods

   • Anti - Malware software
     • This is a piece of software that detects malicious software. This can also delete the software from you computer
   • Firewall
     • A firewall is a network security system, either hardware- or software-based, that uses rules to control incoming and outgoing network traffic. A firewall acts as a barrier between a trusted network and and an untrusted network. A firewall controls access to the resources of a network through a positive control model. This means that the only traffic allowed onto the network is defined in the firewall policy; all other traffic is denied.
   • User access levels
     • A network manager can create levels of access this dictates what they can and cannot do. At the highest level of access they will be able to access more than the lower levels
   • Password strength checker
     • This is a program that checks how long it would take for a computer to brute force a password
   • Data encryption

2. Network Vulnerabilities and Risks

   • Malware
     • This is malicious software that can steal data and make you pay to get it back
   • Phishing
     • This is where criminals try to steal peoples passwords and usernames
   • Ransomware
     • This is where criminals hold data for ransom money
   • Trojan Horse