No day malware is a term utilized to explain malware that exploits a previously unidentified vulnerability in software application or hardware. Because they are not discovered by anti-malware programs and traditional anti-virus, these attacks are typically highly reliable. Recommended Reading Zero day attacks can be incredibly difficult to prevent, as they frequently utilize advanced techniques and are not easily found.
One of the most well-known zero day attacks was the Stuxnet worm, which was used to target commercial control systems. This malware was able to spread quickly and trigger substantial damage, leading to the short-lived shutdown of an Iranian nuclear facility.
No day malware is typically used in targeted attacks, as the aggressors can be sure that their victim will not have any defenses in place. These attacks can be incredibly difficult to protect against, and can typically result in significant information loss or damage.