Critical Insight defends your critical assets, so you can achieve your critical missions. They augment and amplify your team with their team and defend your organization with a personalized blend of MDR, managed, and professional services to assess, test, and monitor 24x7. Critical Insight. They Defend. You Thrive. Their Critical Insight (CI) solution combines next-generation processing with expert human touch to deliver advanced Managed Detection and Response (MDR), integrating cleanly into your existing strategy.