Answer:
FILE ENCRYPTION
Explanation:
File encryption is the process which enables files encrypted to protect confidential data from attackers or unauthorized thirds parties with physical access to the computer by scrambling the contents in other to render them unusable.
File Encryption provide security for files because it is designed to guard the contents of computer files via the use of algorithms and adjoining keys.
Therefore Encryption of file is the most effective and secured way to achieve data security.
