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The Week in Cyber Security and Data Privacy: 29 January – 4 February 2024

IT Governance

Only 1 definitely hasn’t had data breached. Publicly disclosed data breaches and cyber attacks: full list This week, we found 38,846,799 records known to be compromised, and 140 organisations suffering a newly disclosed incident. 123 of them are known to have had data exfiltrated, exposed or otherwise breached.

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Understanding Have I Been Pwned's Use of SHA-1 and k-Anonymity

Troy Hunt

It's also a slower hashing algorithm; still totally unsuitable for storing user passwords in an online system, but it can have a hit on the consuming service if doing huge amounts of calculations. By any definition of the term, those first 6 bytes tell you absolutely nothing useful about what email address is being searched for.

Passwords 123