https://rietta.com/glossary/pepper/ Recent content in Pepper (Password Hashing) on Rietta Cybersecurity Hugo -- gohugo.io en-us 1999-2026 Rietta Inc. All Rights Reserved. Fri, 02 Oct 2026 08:57:59 -0400 https://rietta.com/blog/really-bad-passwords-with-unsalted-hashes/ Fri, 08 Jun 2012 18:30:00 +0000 https://rietta.com/blog/really-bad-passwords-with-unsalted-hashes/ The June, 2012, LinkedIn password breach reminds us all the need to protect our user’s passwords. The following table includes a series of really, really bad passwords. These are passwords that are trivially cracked using an automated tool, such as John the Ripper, or have been found through public password hacks as being in use by real people. This is a simple rainbow table because it lists the precomputed unsalted SHA1 and MD5 hashes.