Conclusion

As a conclusion,not every computer in this world is safe.Computer will always exposed to any kind of threat or attack.An attack usually is perpetrated by someone with bad intentions ,like Black hatted attacks falls in this category.These people will do anything to hack into your personal information in your computer.Computer users should install security software to prevent any kind of network attack such as antivirus.So,we should install security software in order to avoid the threat of network attack.