Cyber Threat Management: Tutorial & Best Practices

 Today’s cybersecurity world is full of alarming headlines and notifications about the latest threats and vulnerabilities.. One of the most important ways to stay on top of the ever-evolving threat environment and bolster your organization’s overall cyber risk management approach is cyber threat management. Think of it like an early warning system for your organization, allowing you to proactively identify threats and therefore appropriately prepare for them. 

Organizations can better prepare their defenses by establishing a process to understand the tactics, techniques, and procedures (TTPs) of malicious actors. There are also frameworks and standards that provide guidance on the development and maturation of threat management programs, such as the NIST Cybersecurity Framework (CSF), ISO 27001, and the Cybersecurity Capability Maturity Model (C2M2), among others.

Let’s explore the key components of cyber threat management and best practices for implementing them to show how you can establish a comprehensive cyber threat management process.

Summary of Key Cyber Threat Management Components

Component/Activity

Description 

Threat Intelligence and Analysis

Collecting, analyzing, and prioritizing threat intelligence to understand risks and potential attack vectors to your organization.

Threat Assessment

Evaluating threats based on their likelihood and impact on your organization.

Threat Detection and Monitoring

Leveraging tools and resources to detect and monitor threats.

Incident Response and Recovery

Documenting, maintaining, and communicating an IR plan and corresponding playbooks for the organization to effectively respond and recover in the event of a cyber incident.

Security Awareness and Training

Ensuring that employees and all internal and external stakeholders are kept up to date and trained on threats to the organization.

Threat Intelligence and Analysis

Taking a proactive stance toward cyber threats is critical for all organizations in today’s environment, and one of the best ways to achieve this is through leveraging threat intelligence and analysis. There are many quality third-party tools and solutions that specialize in threat intelligence, allowing your organization to utilize the expertise of those intel feeds, coupled with internal workforce knowledge, to ensure that the organization is gaining insights into all threats. 

Internal sources include security logs, network traffic, past incidents, and subject matter experts. External sources include third-party intelligence companies, open-source intelligence (OSINT), government advisories, law enforcement, and industry-specific Information Sharing and Analysis Centers (ISACs).

After pulling together these sources, it’s beneficial to apply them against trusted resources such as the MITRE ATT&CK framework for your organization to standardize threat assessments, response, and recovery efforts.

The MITRE ATT&CK Matrix (source)

Organizations that successfully operationalize threat intelligence and analysis can tune detection tools, improve visibility into emerging threats, and, with contextual threat insights, support broader risk management efforts.

Threat Assessment

Once your organization has collected and analyzed threat intelligence, it's time to use that information to perform a threat assessment, which helps evaluate and prioritize threats to your organization based on likelihood and potential impact. It is recommended that you leverage existing cybersecurity frameworks and maturity models, such as NIST CSF, C2M2, and ISO 27001, to perform these assessments.

These frameworks provide a trusted and proven structure to ensure your assessments align with industry standards and best practices, and are even more valuable when part of an automated process. Applying methodologies such as the Common Vulnerability Scoring System (CVSS) to prioritize vulnerabilities within your systems is also critical to building a comprehensive threat assessment.

Assessment matrix example (source)

It is essential to conduct threat assessments frequently and not just as a one-time exercise. Regular penetration testing, red-teaming exercises, and tabletop drills can help validate your assessments and help you achieve the best posture. This is especially important because the threat environment is constantly changing. 

In addition, the emergence of new technologies such as AI will certainly cause a rapid transformation in this space. Be sure to include stakeholders across the organization before, during, and after the assessment process to increase internal awareness and information sharing.

Lastly, ensure that the cyber threat management process is built into the larger cyber risk management and enterprise risk management structure so that risk-based prioritization occurs when assessments are performed. 

Threat Detection and Monitoring

It is imperative that organizations establish robust threat detection and monitoring capabilities. Detection and monitoring tools come in all types and cover everything from endpoint detection and response (EDR) to network traffic analysis (NTA) and everything in between. These tools typically feed into a central product such as a security information and event management (SIEM) system to collect all of the monitoring data, which can prove imperative in detecting incidents. 

Additionally, with the rise of AI, it can feel like an overwhelming experience for cyber defenders to try to keep up with the sophistication of malicious cyber threats. Fortunately, just as malicious actors can leverage AI to write new code and develop new TTPs to attack, the good guys can leverage AI to provide unique assistance to defenses. This can include using AI tools for what are typically more advanced activities, such as threat hunting. 

While automation is key to strengthening defenses, human expertise remains essential. Effective threat detection and monitoring depend on continuous rule refinement and the integration of diverse data sources.

Incident Response and Recovery

In a perfect world, the best defense would always win, but in the real world, you must assume that cyber incidents are inevitable and build resilience in your organization’s cyber defenses by establishing strong and effective incident response and recovery activities. 

A well-structured and communicated incident response (IR) plan ensures that you can quickly contain threats, minimize damage, and enable the restoration of business operations quickly and efficiently. This could take the form of having response procedures and playbooks tailored to specific scenarios built off of your threat assessment output, as well as socializing and testing frequently with the stakeholders and teams identified in the IR plan. 

Incident response generally follows a structured lifecycle:

• Preparation
• Detection and analysis
• Containment, eradication, and recovery
• Post-incident activities

Cyber Incident Response Lifecycle (Cyber IR Cycle)

The IR team should analyze attack patterns, collect forensic evidence of the incident, and then look to identify and implement corrective measures to protect against future attacks.

Without proper communication, the best IR plan won’t be effective. Everyone identified as having a role in IR, from executives to customers to regulatory agencies and internal employees, must understand their role in the process and receive the appropriate communications at the necessary time throughout the process.

Security Awareness and Training

All the security tools in the world, including AI-based ones, will not prevent a cyber attack. They also won’t provide adequate incident response and recovery activities without a human leading the way and carrying out the necessary tasks. This means having a security-conscious workforce. Your organization should have robust and continuous security awareness campaigns and training for the workforce, including role-specific training for those with cybersecurity responsibilities, especially those involved in supporting your organization’s cyber threat management.

General workforce training initiatives should cover incident response for common threats such as phishing, ransomware, insider threats, and other topics, such as strong password/passkey usage. Targeted training should be conducted for more specific roles and topics, such as application security for developers, secure software development as part of the organization’s software development life cycle (SDLC), and any other specialties tied to role-based training needs.

Overall, a strong security culture that is well-versed in identifying threats, supporting cyber threat processes, and empowering the workforce to make security-conscious decisions is a major component of ensuring effective cyber threat management.

Key Takeaways For Cyber Threat Management Planning

Cyber threat management is more than reacting to indicators or alerts or what makes the news headlines. It should consist of the following:

• Proactively identifying threats via threat intelligence and analysis
• Performing thoughtful threat assessments to better identify threats with the highest likelihood and impact on your organization
• Leveraging new technology and tools to enhance threat detection and monitoring while minimizing the time it takes to identify a cyber incident
• Establishing and socializing effective incident response and recovery activities to reduce the overall impact of a cyber incident on your organization
• Ensuring that all of the previously mentioned components of cyber threat management are mature and run efficiently by having a well-trained and security-conscious workforce

By building these components into your organization’s cybersecurity program, you strengthen your organization’s resilience against the ever-evolving array of cyber threats and minimize the impact of security incidents that occur, which are a matter of when, not if.

Cyber threat management is a continuous journey. When it’s treated as an integrated part of your overall cyber and enterprise risk program, it becomes a powerful enabler for risk-informed decision-making and operational resilience.