A zero-day attack occurs when adversaries exploit a previously unknown vulnerability in a live environment to compromise a system, steal confidential data, or undermine its infrastructure.

The term "zero-day" originally referred to the number of days since a new piece of software was released to the public, so "zero-day software" was obtained by hacking into a developer's …

A zero-day attack begins with a hacker discovering a zero-day vulnerability, which is an error in code or software that the target has yet to discover. The attacker then works on a zero-day …

Jul 12, 2025 · Zero-day exploit is a type of cyber security attack that occurs on the same day the software, hardware, or firmware flaw is detected by the manufacturer. As it’s been zero days …

The unknown or unaddressed vulnerability is referred to as a zero-day vulnerability or zero-day threat. A zero-day attack is when a malicious actor uses a zero-day exploit to plant malware, …

A zero day attack is a cyberattack that exploits a previously unknown software vulnerability before the vendor or developer is aware of it and has a chance to create a patch. The term "zero day" …

4 days ago · Zero-day vulnerabilities explained: how attackers exploit unknown flaws—and how to mitigate risk with rapid patching, virtual patching, WAFs, zero-trust, and monitoring.

A zero-day attack is one that is discovered while it is already in progress, meaning a security team has “zero days” to prepare or remediate the vector through which the attacker gained entry.

A zero-day vulnerability is like a ticking time bomb. Learn how to defuse it before hackers launch a zero-day attack.

Oct 9, 2025 · A zero-day exploit is a cyber vulnerability unknown to those needing to fix it, including product vendors. It represents a risk as developers have no time to patch it once …