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Incident Response

  1. Incident Response
    Incident Reporting
  2. Incident Response Use Cases
    Lab Setup
  3. Role Playing - Shift Manager
  4. Demonstrating: Investigating and Escalating
  5. Report from Malware Analyst
  6. Exercise 1.1: Exploring Suspicious Executable Detected using SIEM
  7. Exercise 1.2: Investigating Multiple Failed Logins using SIEM
  8. Exercise 3: Mitigating Risk
  9. Exercise 4.1: Asking the Right Questions
  10. Scenario 4.1: Asking the Right Questions
  11. Scenario 4.2: Suspicious or Malicious?
  12. Exercise 4.2: Reviewing the Shift Log
  13. Exercise 4.3: Investigating an Unauthorized Login Attempt
  14. Exercise 4.4: Investigating Firewall Traffic
  15. Exercise 4.5: Reviewing the Security Operations Mailbox
  16. Exercise 5.1: Reviewing New Intelligence
  17. Exercise 5.2: Assessing Threat Severity
  18. Exercise 6: Recommending Remediation
  19. Exercise 7: Conducting a Post-Incident Review
  20. Exercise 8: Communicating with Operations and Senior Management
  21. Business Continuity
    Business Continuity Plan Development
    8 Topics
  22. BCP Invocation Process
    2 Topics
  23. Emergency Procedures
    7 Topics
  24. Crisis Management Team
    10 Topics
  25. BCP Seating Plan
  26. Overview
  27. Disaster Recovery
    Scope of Critical Services
  28. Network Services
  29. Application Hosting Service
  30. File Hosting Services
  31. Call Centre and Voice Recording Services
  32. Regulatory Links
  33. Thin Client Environment
  34. Voice System (Non-Service Desk)
  35. Printing Services
  36. Recovery Time Objective (RTO) & Recovery Point Objective
  37. Single Point of Failure
  38. Redundancy Requirements
  39. Alternate Locations
  40. Contact Protocol
    4 Topics
Lesson 17 of 40
In Progress

Exercise 5.2: Assessing Threat Severity

Goals

To assess criticality of incidents and prioritize incident response.

Objectives

After completing this exercise, you should be able to:

  • Assess threat severity for an incident based on analyzing the loss of:
    • Confidentiality
    • Integrity
    • availability
  • analyze the business context for a security incident by considering:
    • Financial damage
    • Damage to reputation
    • Non-compliance
    • Violation of privacy
  • assess activity volume for an incident by comparing normal activity with observed activity.

Introduction

Here are the open incidents:

Instructions

Follow these steps to complete the exercise:

  1. Review the incidents.
  2. For each incident, determine:
    1. Threat severity
    1. Business context
    1. Activity volume
  3. Review with instructor and class
IncidentThreat severityBusiness contextActivity Volume
BeaconingConfidentiality Integrity AvailabilityFinancial Damage Reputation Non-compliance Privacy ViolationWhat is normal? What do you observe?
Unauth loginsConfidentiality Integrity Availability  
Firewall trafficConfidentiality Integrity Availability  

Exercise 6: Recommending Remediation