How to 100% get rid of website malware?

Getting rid of website malware 100% requires a thorough, multi-layered approach to not only remove the current infection but also to close the backdoors that allowed it to happen. Relying on a single scan is rarely effective, as website malware often leaves behind hidden "shells" to reinfect the website. Malicious software or malware has been one of the most incessant dangers to present-day websites. Since...