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How LinkedIn's 2012 Breach Exposed the Dangers of Unsalted Password Hashes

By

iStuff

2d ago· 1 min readenInsight

Summary

This article examines the 2012 LinkedIn breach where attackers cracked millions of passwords using fast, unsalted hashes like MD5 and SHA-1. It explains how dictionary attacks succeeded due to weak password storage practices, and contrasts this with modern, more secure approaches using salts and purpose-built algorithms like bcrypt. The article serves as a cautionary tale about why these security mistakes still matter today.

Key quotes

· 3 pulled
LinkedIn's 2012 breach exposed millions of hashed passwords.
Unsalted hashes made password cracking fast and efficient.
Dictionary attacks succeeded because many users picked predictable passwords.
Snippet from the RSS feed
This article explains how LinkedIn’s 2012 breach showed the danger of using fast, unsalted hashes like MD5 and SHA-1 for password storage, which allowed attackers to crack millions of passwords with simple wordlists. It also shows why salts...

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