Computing 1.6

Computing 1.6

1. Types of malware

   • Zombie
   • Key logger
   • Trojan horse

2. Types of anti-malware

   • Anti virus
   • Anti spyware

3. Security Threats

   • Computer systems face a number of security threats.One of the basic threats is data loss, which means that parts of a database can no longer be retrieved. This could be the physical damage to the storage medium (like fire or water damage), human error or hardware failures.
   • Another security threat is unauthorized access. Many computer systems contain sensitive information, and it could be very harmful if it were to fall in the wrong hands. Imagine someone getting a hold of you social security number, date of birth, address and bank information.Getting unauthorized access to computer systems is known as hacking. Computer hackers has developed sophisticated methods to obtain data from databases, which they may use for personal gain or to harm others.