Scenario:

DigitalWitch Cyber Solutions Ltd, just recently migrated 80% of its infrastructure to the cloud (AWS).

A few weeks into the migration, several departments begin reporting:

• Sudden access denials to internal resources.
• Unauthorized cloud storage access.
• Unusual outbound traffic to unknown IPs.

At the same time, a ransomware note appears on a few virtual machines, demanding payment in Monero. Security teams also discovered that a set of previously whitelisted IPs had been added to firewall rules, and some IAM roles were overly permissive.

Initial threat intelligence suggests the involvement of APT32 or APT41 groups known for cloud espionage and ransomware deployment.

Executive Summary

DigitalWitch Cyber Solutions Ltd has experienced a multi-vector cloud security breach affecting 80% of recently migrated AWS infrastructure. Initial indicators suggest involvement of Advanced Persistent Threat (APT) groups APT32 or APT41, known for sophisticated cloud espionage and ransomware operations. This report provides comprehensive risk analysis and strategic response recommendations.

Risk Assessment Framework

Risk Calculation Formulas

Basic Risk Formula:

Risk = Threat × Vulnerability x Impact

Total Risk Formula: