Tuesday, November 10, 2026 Breach Index $11.1B lost to breaches in 2026 · 114 breaches made public

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Security

Core cybersecurity knowledge for everyone, from the basics to the dark web.

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1.9h
Last updated
Oct 15

What Is a Zero-Day?

What is a zero-day? If you have been following news on cyber attacks, you have probably come across the term “zero day”.…

8 min read