Absolutely no day malware, likewise called zero hour malware or no day attacks, is a kind of malware that benefits from a formerly unidentified software application vulnerability. Attackers who are able to make use of these vulnerabilities can get to a system or network with no detection. https://creaturesincrisis.org/?p=717 This makes no day malware a serious risk to individuals and services alike.
Standard malware, on the other hand, is malware that is popular and has been around for a long time. Although traditional malware can still threaten, it is not as tough or stealthy to detect as zero day malware.