What is Kill Chain in Cybersecurity?
Defensive Security
Version 1.0 · Published April 2026 · Last verified April 2026
A model that describes the stages of a cyberattack from early reconnaissance through final objective completion. The Lockheed Martin Cyber Kill Chain defines seven phases: reconnaissance, weaponization, delivery, exploitation, installation, command and control, and actions on objectives. Defenders aim to break the chain at the earliest stage.
Why Kill Chain Matters for Your Cybersecurity Career
The kill chain gives cybersecurity teams a shared mental model for analyzing and disrupting attacks. SOC analysts use it to contextualize alerts and understand where an attacker is in their operation. Security architects design layered defenses that address each kill chain phase. Candidates who can map incidents to the kill chain demonstrate strong analytical thinking in interviews.
Which Cybersecurity Roles Use Kill Chain?
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A model that describes the stages of a cyberattack from early reconnaissance through final objective completion. The Lockheed Martin Cyber Kill Chain defines seven phases: reconnaissance, weaponization, delivery, exploitation, installation, command and control, and actions on objectives. Defenders aim to break the chain at the earliest stage.
The kill chain gives cybersecurity teams a shared mental model for analyzing and disrupting attacks. SOC analysts use it to contextualize alerts and understand where an attacker is in their operation. Security architects design layered defenses that address each kill chain phase. Candidates who can map incidents to the kill chain demonstrate strong analytical thinking in interviews.
Cybersecurity professionals who work with Kill Chain include SOC Analyst, Security Architect, Incident Responder. These roles apply Kill Chain knowledge within the Defensive Security domain.
Definitions are original explanations written for career development purposes. For authoritative technical definitions, refer to NIST, ISO, or the relevant standards body.
Last verified: April 2026?Report an inaccuracy
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