The countermeasures of Malicious Ware (malware) are mitigation (prevention) or treatment like any other measures to cope against harmful substances. To prevent virus/worm infection is either we put up security to defend ourselves or avoid interacting with malwares. If we are already infected then we have cure the infection. This is the second assignment from my Masters Advanced Network Security Course which has never been published anywhere and I, as the author and copyright holder, license this assignment customized CC-BY-SA where anyone can share, copy, republish, and sell on condition to state my name as the author and notify that the original and open version available here.
This step is the most commonly used and mostly for those with the preference who are not expert in the area of malware. People usually know of the existence of malware and follows advices given by the media, experts, or computer companies to install firewalls, antivirus and antimalware softwares, and other preventive softwares. Finally tells them to update their Operating System (OS) (windows update for example), macrowares (word, spreadsheet), and other softwares to their latest version. Analogically equipped themselves with weapons and armors.
This step if you have better knowledge of malwares. Initially know the overview of how malwares works. (1) Like virus needs a host to run, resides on infected files, and can only initiate if you activate it. For this we will be careful when handling files by checking its size, its origin, its name, especially its format which virus resides in executeable formats. If it seems suspicious we should delete the file. If the system is modified, deleted, or a process occur without your approval is likely virus infected. (2) Other than virus a malware called worm exists, unlike virus it can infect a host without us executing it. In real life a worm can get inside of our body just getting contact in…