Understanding the vocabulary of protection

There are many techniques to protect your applications and data, some of them are as follows:

• Encryption and decryption: This is a two-way process to convert cleartext into cryptotext and back again

• Hashes: This is a one-way process to; generate a hash to securely store passwords, or a hash can be used to detect malicious changes and corruption of data

• Signatures: This technique is used to ensure that data has come from someone you trust by validating a signature against someone's public key

• Authentication: This technique is used to identify someone by checking their credentials

• Authorization: This technique is used to ensure someone has permission to perform an action, or work with some data by checking the roles or groups they belong to

Tip

Best Practice

If security is important to you, then hire an experienced security expert for guidance rather than relying on advice found online. It is very easy to make small mistakes and leave your applications...