: A 0-day exploit refers to a cyber attack that takes advantage of a previously unknown vulnerability in a computer application, network, or hardware. The term "0-day" indicates that the exploit occurs on the same day a weakness is discovered, or before a patch or fix is available. This gives defenders zero days to fix the vulnerability or prepare for the attack.
Intelligence reports during this week highlighted "hitlist" activities where groups like the Eclipse collective allegedly targeted multiple high-profile networks simultaneously using newly leaked exploits. 0day and hitlist week 01102024 work