What Is a Zero-Day Exploit?

GRC compliance image - Continuum GRC solutions for cyber security and audit AI-powered cybersecurity 2025 zero trust ransomware protection supply chain security regulatory compliance operational resilience

If you’re plugged into the world of cybersecurity, then you’ve most likely come across breathless reports of new “zero-day” vulnerabilities hitting the wild. And, on the surface, these sound terrible… but do you understand what that means?

A zero-day exploit is a significant, but not world-ending, security flaw affecting systems without anyone having noticed them yet. Rather than a cause for worry, these issues call us to remain ever-vigilant against potential security issues and our responses to them. 

 

Read More

What Is a Zero-Day Exploit?

Featured zero-day threats. Continuum GRC's 2025 defenses against zero-day attacks and vulnerability management.

With the news of the log4Shell bug making the rounds on industry and mainstream media, security experts are scrambling to address the implications of widespread bug patches and shared open-source utilities.

Here, we wanted to address some terminologies around the bug, specifically references to this bug representing a zero-day exploit. We’ll define zero-day exploits, why they are so dangerous and how security firms address them. 

 

Read More