Effective Cybersecurity Strategies: Understanding the Cyber Kill Chain and How SOC Analysts Use It for Defense”

Shreenkhala Bhattarai
4 min readFeb 15


In today’s digital age, businesses and organizations are constantly at risk of being targeted by cybercriminals. These malicious actors breach systems, steal confidential data and seriously harm a company’s reputation and bottom line using a variety of sophisticated techniques and tactics. The Cyber Kill Chain is one strategy that SOC analysts employ to defend against these dangers.

The Cyber Kill Chain is a framework that was developed by Lockheed Martin in 2011 and is designed to help organizations identify and prevent cyber attacks before they are able to cause any significant damage. It is based on the military’s kill chain concept, which is used to describe the stages involved in attacking an enemy target.

Cyber Kill chain

The Cyber Kill Chain framework has seven stages, which are as follows:

  1. Reconnaissance — In this phase, the attacker learns as much as they can about the target, including its network topology, the kinds of hardware and software it employs, and the personnel who work there. Keeping an eye on networks and systems, conducting penetration testing, educating staff members, and routinely updating and patching software. SOC analysts can effectively defend against reconnaissance stage attacks and lower the likelihood of successful attacks by taking these measures.
  2. Weaponization — At this point, the attacker develops a weapon — a virus or Trojan — and gets it ready to be used against the target. SOC analysts can prevent successful weaponization by implementing email filters, maintaining software updates, implementing network segmentation, utilizing endpoint detection and response tools, and performing routine vulnerability assessments. These actions allow SOC analysts to successfully defend against the weaponization phase of a cyberattack and stop attackers from delivering and readying their weapons for use.
  3. Delivery — By using social engineering, email, or other techniques, the attacker can deliver the weapon to the target. Implementing firewall and IPS solutions, web content filtering, email security solutions, regular phishing simulations, and advanced threat detection tools are all ways that SOC analysts can stop successful delivery. SOC analysts can successfully defend against the delivery phase of a cyberattack and stop attackers from delivering their weapons to the target system by taking these actions.
  4. Exploitation — The weapon is now active, and the attacker now attempts to access the target’s systems by exploiting any holes in them. To identify and address any vulnerabilities, a SOC analyst can use a vulnerability scanner, patch management tools, and penetration testing. The exploitation phase of a cyber attack can be successfully defended against by SOC analysts, who can also stop attackers from taking control of systems by utilizing vulnerabilities.
  5. Installation — To obtain sensitive information, the attacker installs malware such as keyloggers, malware, or backdoors onto the target’s systems. Endpoint Detection and Response (EDR), the implementation of whitelisting and blacklisting, routine vulnerability assessments, network traffic monitoring, and the use of application control solutions are all ways that SOC analysts can stop successful installations. SOC analysts can successfully defend against the installation phase of a cyberattack and stop attackers from placing malware on systems by following these steps.
  6. Command and control — The malware that has been installed on the target’s systems is connected to the attacker, who then takes control of the infected devices. Network monitoring, access control implementation, regular penetration testing, intrusion detection/prevention systems (IDS/IPS), and threat intelligence tools are all ways that SOC analysts can prevent successful command and control attacks. SOC analysts can successfully defend against the command and control phase of a cyber attack and stop attackers from controlling the compromised system by taking these actions.
  7. Actions on objectives — The attacker starts to carry out their required action in this last stage, which could involve stealing confidential information, interfering with business operations, or otherwise hurting the organization. Regular backups, access controls, File Integrity Monitoring (FIM), security assessments, and the use of Endpoint Detection and Response (EDR) tools are all ways that SOC analysts can stop successful action on an objective. SOC analysts can effectively defend against the action on the objective stage of a cyber attack and restrict attackers from achieving their objectives by following these steps.

By understanding these stages of the Cyber Kill Chain, security professionals can develop effective strategies for detecting, preventing, and mitigating cyber attacks. SOC analysts are able to identify and prevent attacks at each stage, limiting the damage caused by cybercriminals. This framework helps analysts to identify potential vulnerabilities, understand an attacker’s goals, and develop effective defense strategies.

For example, by analyzing past attacks, SOC analysts can identify patterns of behavior and develop a better understanding of an attacker’s methods. They can then use this knowledge to develop customized security solutions that address the specific threats faced by their organization. This could include implementing security measures such as firewalls, intrusion detection systems, and endpoint protection to prevent an attacker from progressing beyond the reconnaissance or weaponization stages such as improving network security or increasing employee training on security awareness.

Additionally, SOC analysts can keep an eye on their systems for indications of an attack using the Cyber Kill Chain framework. Analysts can quickly identify and respond to threats by keeping an eye out for an unusual activity or indications of exploitation. This helps to lessen the impact of an attack.

The Cyber Kill Chain is a valuable framework for SOC analysts to use when defending against cyber attacks. By understanding the various stages involved in an attack and implementing appropriate security measures, organizations can better protect their sensitive information and prevent significant damage to their business. As the threat of cybercrime continues to grow, the use of the Cyber Kill Chain framework will be an essential tool for all organizations seeking to keep their systems and data secure.



Shreenkhala Bhattarai

Security Analyst at CryptoGen Nepal