System Security

System Security

1. Malware

   • Viruses
     • A virus is there to cause damage to a computer system. They can hide duplicate or delete files.
   • spyware
     • spyware is used to steal data. A common piece of spyware is a key logger.
   • adware
     • Adware uses advertisements and popups in order to direct the user to other sites.
   • pharming
     • If pharming malware attacked the DNS server, this would change the IP address so people would be on a false website.

2. phishing

   • Phishing seeks to acquire sensitive data such as passwords,bank details etc. These are retrieved by pretending to be a company and asking someone who use the service their details.

3. Brute force attack

   • A brute force attack is where an attacker would enter usernames and passwords until accessing someones account.

4. Denial of Service Attacks

   • This method increases the traffic which puts the server under extreme pressure and will the the website to crash.

5. SQL Injections