What is absolutely no day malware?

Zero day malware is malware that is not yet known to anti-virus software application vendors or business. It exploits vulnerabilities in software or hardware that have not yet been covered or fixed. The term "no day" comes from the truth that once the malware is found, there is no time to spot the vulnerabilities before attackers can exploit them.

Absolutely no day malware is typically used in targeted attacks against particular organizations or people. The assailants will thoroughly select their targets, and after that craft their malware to particularly exploit the vulnerabilities in those target's systems. This makes zero day malware extremely difficult to secure and identify against.

Among the most popular examples of zero day malware is the Stuxnet worm, which was utilized to assault commercial control systems. Stuxnet was able to spread itself through USB drives and infected networks of computers, without being detected by anti-virus software application.  https://creaturesincrisis.org/?p=1127 It then specifically targeted Siemens industrial control systems, and caused physical damage to centrifuges in Iran.

No day malware is a serious hazard to people and organizations. It is essential to keep your systems current with the current security patches, and to be familiar with the current dangers.