{"id":6694,"date":"2025-05-29T13:51:56","date_gmt":"2025-05-29T13:51:56","guid":{"rendered":"https:\/\/fastestpass.com\/blog\/?p=6694"},"modified":"2025-08-05T10:58:40","modified_gmt":"2025-08-05T10:58:40","slug":"what-is-password-hashing","status":"publish","type":"post","link":"https:\/\/fastestpass.com\/blog\/what-is-password-hashing\/","title":{"rendered":"Password Hashing – What is It? Why is it Important?"},"content":{"rendered":"

\"Password<\/span><\/p>\n

What is password hashing? How does it help prevent data breaches and hacking in huge and small companies? Are hashed passwords important? This guide explains everything about why password hashing is important, how it works, and the right kind of functions to choose. Let\u2019s get started.\u00a0<\/span><\/p>\n

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What is Password Hashing?<\/strong><\/h2>\n

Password hashing is a method used to secure saved passwords by transforming them into a scrambled, fixed-length string through a mathematical formula. Rather than keeping the original password, systems store this encoded version, which is extremely difficult to decode back into its original form. This can <\/span>make your data extra secure<\/span><\/a>, preventing any unauthorized access to your actual passwords.\u00a0<\/span><\/p>\n

How Does Password Hashing Work?<\/h2>\n

Password hashing is one of the best tried and tested security measures that transforms the way you secure passwords. It converts them using an irreversible and unidentifiable string of characters. These characters are called a hash. The purpose of this process is to limit weak access points where hackers can attack your original password. This means that even if the attackers somehow penetrate the database, they can\u2019t get to the real thing. Only the authorized user can sign in using a hashed password, which is then compared to the stored hash, allowing entry only if it matches.\u00a0<\/span><\/p>\n

Here\u2019s the breakdown of how it works:\u00a0<\/span><\/p>\n

Starting the Hashing Process<\/h3>\n

The hashing process begins with the password hashing algorithm. A few of these include SHA-256 or bcrypt. This stores the users\u2019 password input and converts it into a long, strong string of jumbled characters. This conversion is called the hash. When this happens, the hash is irreversible. However, if it needs to be changed, the password will be hashed with a completely different string of characters.\u00a0<\/span><\/p>\n

How the Hashes Are Stored<\/h3>\n

Websites and apps avoid saving passwords in plain text by storing their hashed versions in the database instead. This way, even if the database is breached, attackers only obtain the hashed data, not the actual passwords, helping to keep user credentials secure.<\/span><\/p>\n

Requirement for Login Verification<\/h3>\n

After the hashes are stored, each time a user tries to sign in, the app hashes it with the help of the same algorithm. That hash is then compared with the stored hash present in the database. The user will only get access if the password<\/a> they entered matches the hash in the system.\u00a0<\/span><\/p>\n

The Salting Process<\/h3>\n

After all the hashing, the last and slightly more sure way of securing the password hashing process is called salting. It\u2019s a process to further add security for your hashed passwords, meaning added to the codes before they\u2019re sent for the hashing process. This makes it very difficult for hackers to crack your passwords.\u00a0<\/span><\/p>\n

Password Hashing Key Features<\/h2>\n

Here are the key features of password hashing:<\/span><\/p>\n