1Threat ModelingThreat modeling is a practical way to ask what can go wrong, before design choices become incidents.Threat Frameworks 2The Cyber Kill ChainA practical model for understanding how intrusions unfold, where defenders can intervene, and why no single control is enough.Threat Frameworks 3MITRE ATT&CKMITRE ATT&CK is a shared map of how intruders operate, useful for clearer detection, testing, and security planning.Threat Frameworks 4Zero-Day VulnerabilitiesA zero-day is a flaw defenders have had zero days to patch; understanding it means separating the bug, the exploit, and the response.Threat Frameworks 5Supply-Chain AttacksA supply-chain attack turns trust in suppliers, software, tools, or updates into a path for compromise.Threat Frameworks