Answer :
The best technique to prevent unauthorized access to your data is encryption. The process of converting data into a different format that can only be read by someone with access to a decryption key is known as encryption.
What is encryption?
Data can be scrambled using encryption so that only authorized parties can decipher it. Technically speaking, it is the process of changing plaintext that can be read by humans into ciphertext, which is incomprehensible text.
In plainer terms, encryption changes readable data to make it seem random. A cryptographic key, or collection of numbers that the sender and the recipient of an encrypted message both agree upon, is needed for encryption.
Despite the fact that encrypted data appears random, encryption works in a logical, predictable manner, making it possible for someone who gets encrypted data and has the proper key to decrypt it and restore it to plaintext.
A third party is very unlikely to crack the keys used in truly safe encryption because they are complex enough.
Hence, The best technique to prevent unauthorized access to your data is encryption.
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