<ul><li>In 2013, hackers stole personal data from 3 billion Yahoo user accounts, but the breach was hidden for three years.</li><li>Lessons from the Yahoo breach, like weak encryption and corporate cover-ups, remain unlearned a decade later.</li><li>Yahoo stored passwords using the outdated MD5 hashing algorithm, and security questions were stored in plain text.</li><li>The reason why we are still ignoring these issues is a dangerous cycle of denial, and breaking it requires acknowledging and addressing security vulnerabilities.</li></ul>

Yahoo Breach Retrospective: What We Still Ignore

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