Each and every file and folder located on the filesystem, irrespective of the type of operating system, has metadata associated with it. Metadata is nothing but properties of a particular file or folder that contain information such as time and date when it was created, accessed, and modified, its size on the disk, its ownership information, and some other attributes such as whether it's marked as read-only or hidden. In case of any fraud or incident, this metadata can reveal a lot of useful information that can trace back the attack.
Apart from the metadata concern, there are also certain security programs known as File Integrity Monitors that keeps on monitoring files for any changes. Now, when we compromise a system and get a ...