A Ransomware Defense Guide: Strategies Against the Modern Attack Group

**Executive Summary:** This document provides practical guidance for defending against ransomware by adopting an "assume breach" mindset and layered defense-in-depth controls, covering preventative measures (MFA, firewalls, EDR), detection pipelines (logging across email, DNS, authentication, execution), recovery planning (cold backups, failover), and collaborative response with security partners to increase attacker cost and improve incident investigations.