UnderDefense provides managed detection and response (MDR) services combined with security consulting and offensive security testing. The company operates a 24/7 security operations center that monitors client environments across networks, endpoints, cloud infrastructure, and Kubernetes deployments. Their MDR service integrates with existing security tools rather than requiring replacement, offering automated remediation, custom SIEM correlation rules, and Splunk applications tailored to specific client environments. The company delivers security posture assessments, compliance readiness reviews for frameworks including HIPAA, PCI DSS, SOC 2, ISO 27001, and NIST, as well as identity and access management audits. Their services extend to network security reviews, incident response, and continuous compliance monitoring. UnderDefense employs threat hunting teams that work either alongside in-house security staff or as full remote support. As an AWS partner available on AWS Marketplace, UnderDefense provides cloud security services specifically designed for AWS environments, leveraging native AWS security tools like Security Hub, GuardDuty, Config, and CloudTrail. Their AWS-certified professionals assist with secure cloud architecture design and implementation. The company also conducts penetration testing and attack simulations to identify vulnerabilities in both technical systems and human response capabilities. UnderDefense serves organizations ranging from startups building initial cloud environments to large enterprises with mission-critical applications requiring comprehensive security coverage.