What Are Indicators of Compromise (IOC)? A Complete Guide
Indicators of Compromise, or IOCs, are basically warning signs that something isn’t right inside a system, network, or application. You usually don’t “see” the attack happening in real time. What you notice instead are small, unusual activities that don’t quite add up. For example, a system suddenly connecting to an unknown IP, multiple failed login attempts followed by one successful login, or a spike in data being sent outside the network. What are Indicators of Compromise (IOC)? Indicators of Compromise, or IOCs, are basically warning signs that something isn’t right inside a system, network, or application. You usually don’t “see” the attack happening in real time. What you notice instead are small, unusual activities that don’t quite add up. For example, a system suddenly connecting to an unknown IP, multiple failed login attempts followed by one successful login, or a spike in data being sent outside the network. Sometimes it’s even simpler things like a password getting changed ...