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Encryption is the process of converting data and information into a form which can only be decoded by parties who possess the keys. This can be accomplished using many mathematic models and is used day-to-day to safeguard the information and data business and consumers use in their daily lives.

Modern encryption algorithms are essential to protect the confidentiality of digital information stored on computers or transmitted through networks like the internet. It also provides security measures like authentication (verifying the source of the message), integrity (ensuring that it hasn’t been altered) and anti-repudiation.

Algorithms are used to convert plaintext in encrypted text. The encrypted text can only be converted back to plaintext using a decryption key which is a secret sequence of numbers or passwords that the recipient and the sender agree on. The stronger the encryption keys, the more difficult it is for third parties to decipher using brute force methods.

Many privacy and security laws require strict encryption to ensure that personal information remains private and secure. Many individuals and businesses utilize encryption to secure their files, folders, and entire computers using software applications like 7-Zip or CertainSafe, and they can also protect their entire hard drive into the cloud through virtual private networks. Many companies offer a variety of encryption options to provide the strongest protection.