The Half-Life of Threat Intelligence: When Does an IOC Stop Being Useful?

The concept of the IOC — the Indicator of Compromise — sits at the operational heart of modern threat detection. Block the IP. Flag the domain. Quarantine the hash. The logic is clean and satisfying. But embedded in every IOC is an invisible timestamp that most detection pipelines never read.  Intelligence ages. It decays. And […] The post The Half-Life of Threat Intelligence: When Does an IOC Stop Being Useful?  appeared first on Cyber Security News.