Search for Well Architected Advice
< All Topics
Print

Evaluate threat landscape

Evaluate the threat landscape:

Evaluating the threat landscape is essential for identifying, understanding, and mitigating the risks that could impact your business. Threats may include competition, business risks, operational disruptions, and information security challenges. By maintaining up-to-date information in a risk registry and assessing the impact of various threats, you can prioritize efforts to protect your business and ensure operational resilience.

Identify Threats to the Business

  • Business Threats: Identify threats related to competition, market shifts, financial risks, and strategic decisions. These threats may include new competitors entering the market, regulatory changes affecting business operations, or shifts in customer preferences that could impact revenue.
  • Operational Risks: Identify risks to the efficiency and continuity of operations, such as infrastructure failures, supply chain disruptions, or process inefficiencies. Operational risks may arise from technical limitations, human errors, or dependencies on third-party services.
  • Information Security Threats: Assess security threats that could impact data, infrastructure, and business processes. These threats may include cyberattacks (such as ransomware or phishing), data breaches, unauthorized access, or vulnerabilities in applications and infrastructure.
  • External Factors: Consider environmental factors, such as economic instability, natural disasters, or geopolitical events that could impact the organization. These factors can introduce additional risks that may need to be managed.

Assess the Impact of Identified Threats

  • Impact and Likelihood Assessment: Evaluate the potential impact and likelihood of each identified threat. Determine which threats could cause the most significant disruption or have the highest business impact. Use qualitative or quantitative methods to classify threats, such as using a risk matrix.
  • Risk Prioritization: Prioritize threats based on their impact on business operations, data security, financial stability, and reputation. Focus on addressing high-priority risks that could significantly disrupt the business or pose a high level of risk.

Maintain a Risk Registry

  • Create and Update the Risk Registry: Document all identified threats in a risk registry, including their potential impact, likelihood, and associated mitigation strategies. A risk registry provides a centralized record that helps track and manage risks effectively.
  • Risk Ownership: Assign ownership to each identified risk in the risk registry. Define who is responsible for monitoring, mitigating, and responding to specific risks. Risk ownership ensures accountability and a structured approach to risk management.

Develop Risk Mitigation Strategies

  • Preventive Measures: Implement preventive measures to reduce the likelihood of identified threats occurring. These measures can include enhancing security controls, conducting regular system maintenance, and optimizing business processes.
  • Detective Measures: Develop measures to detect threats early, such as setting up monitoring and alerting mechanisms to identify anomalies, unauthorized access attempts, or signs of operational issues. AWS tools like Amazon GuardDuty and AWS CloudTrail can help detect information security threats.
  • Responsive Measures: Plan responsive actions to mitigate the impact of threats that do occur. Establish response playbooks, incident response teams, and disaster recovery processes to minimize the business impact and ensure timely recovery.

Regular Review and Adaptation

  • Monitor Emerging Threats: The threat landscape is dynamic, and new threats can emerge regularly. Continuously monitor information from threat intelligence sources, industry reports, and internal security assessments to stay updated.
  • Update Risk Registry and Strategies: Regularly update the risk registry to reflect changes in the threat landscape and adapt mitigation strategies accordingly. Schedule periodic reviews with key stakeholders to ensure that all identified risks are tracked, assessed, and managed effectively.

Support Risk Management with Cross-Functional Collaboration

  • Cross-Team Risk Assessment: Collaborate with various teams—such as security, operations, business, and legal teams—to ensure that all aspects of the threat landscape are assessed. Cross-functional collaboration helps identify risks from different perspectives, leading to more comprehensive risk management.
  • Embed Risk Awareness in Culture: Foster a culture of risk awareness throughout the organization. Educate employees about operational risks, security threats, and the importance of vigilance. By raising awareness, teams are better equipped to recognize and respond to potential threats.

Supporting Questions

  • What are the primary security threats to your business, and how do they shape your architectural decisions?
  • What mechanisms are in place to document, prioritize, and track risks to the business?
  • How do you assess risks from cyber-attacks, data breaches, or system failures, and prioritize defenses in your infrastructure?
  • What measures are in place to detect, mitigate, and respond to evolving threats in your industry?
  • How do you ensure your architecture is resilient to both external and internal security risks?
  • How do you ensure that the risk registry remains up-to-date and relevant?

AWS Services that may apply

Threat Monitoring and Detection Tools:

  • Amazon GuardDuty: Continuously monitors and analyzes your AWS environment for malicious activities and unauthorized behavior, helping you assess your security threat landscape.
  • AWS Security Hub: Provides a central view of your security posture across AWS accounts, integrating with GuardDuty, Macie, and other security services to evaluate threats.
  • AWS Inspector: Automates security assessment of your EC2 instances and applications for vulnerabilities, enabling proactive threat mitigation.

Risk Documentation and Audit Tools:

  • AWS CloudTrail: Logs and tracks all API activity within your AWS environment, which can be used to identify potential threats and breaches.
  • AWS Config: Monitors resource configurations and tracks changes, helping assess the impact of configuration changes on security and compliance risks.

Roles and Responsibilities

  • Risk Manager:
    • Responsibilities:
      • Identify and assess threats to the business, including business, operational, and security risks.
      • Maintain the risk registry, assign risk ownership, and ensure that all risks are adequately tracked and managed.
  • Security Engineer (or Chief Information Security Officer – CISO):
    • Responsibilities:
      • Continuously assess the threat landscape and propose security strategies to mitigate risks.
      • Conduct risk assessments and threat modeling to anticipate and address potential vulnerabilities.
      • Implement security monitoring and incident response strategies.
      • Ensure that security threats are appropriately addressed in architectural decisions.
  • DevOps Engineer:
    • Responsibilities:
      • Implement automated monitoring and alerting for security vulnerabilities.
      • Ensure infrastructure is built to withstand security threats (e.g., hardened servers, secure networks).
      • Collaborate with the security team to enforce security measures in the CI/CD pipeline.
  • Operations Manager:
    • Responsibilities:
      • Identify operational risks related to workload stability and efficiency.
      • Implement preventive and responsive measures to manage operational threats, ensuring business continuity.

Artefacts

  • Risk Registry: A centralized record of identified threats, including their potential impact, likelihood, assigned ownership, and mitigation strategies.
  • Risk Assessment Reports: Periodic reports documenting the threat landscape, identifying potential vulnerabilities, and proposing mitigation strategies. These assessments should address both external and internal threats.
  • Threat Model Diagrams: Visual representations of potential threats to your system architecture, showing entry points, attack vectors, and controls in place to mitigate these threats.
  • Security Incident Response Plan (IRP): A detailed plan outlining steps to follow in the event of a security incident, including roles, responsibilities, and actions for mitigation.
  • Security Audit Logs: Logs from services like AWS CloudTrail, GuardDuty, or Security Hub, documenting activities, potential threats, and how they were addressed.
  • Threat Intelligence Updates: Information from threat intelligence sources and industry reports that provide insights into emerging threats and inform risk management strategies.
Table of Contents