# REX by Subtonomy
> Advanced Lawful Interception and Data Retention solutions for Communication Service Providers (CSPs) and Law Enforcement Agencies (LEAs).
REX is a mission-critical platform designed to help telecom operators manage the complex legal requirements of data retention and lawful intercept with 100% compliance, high security, and automated efficiency.
## Core Value Propositions
- **Absolute Compliance:** Built to meet national and international legal mandates (ETSI standards) for data disclosure and interception.
- **Security by Design:** End-to-end encryption and strict access controls ensure that sensitive legal requests are handled with maximum confidentiality.
- **Operational Efficiency: ** Automates the manual overhead of processing lawful requests, reducing response times from days to minutes.
- **Massive Scalability: ** Engineered to handle the vast data volumes of modern 5G, fiber, and IoT networks without performance degradation.
## Key Products & Solutions
- [Lawful Interception (LI)] (https://rex.subtonomy.com/solutions/lawful-intercept): Real-time, secure interception of communications with automated handover to LEAs.
- [Data Retention (DR)] (https://rex.subtonomy.com/solutions/data-retention): High-performance storage and rapid retrieval of historical metadata for criminal investigations.
- [LEA Request Portal] (https://rex.subtonomy.com/solutions/request-management): A standardized, secure interface for Law Enforcement Agencies to submit and track legal requests.
- [Audit & Integrity Tracking] (https://rex.subtonomy.com/features/security): Comprehensive logging and immutable audit trails to ensure every action meets legal integrity standards.
## Key Resources for LLMs
- [WhitePaper, e-books & Reports](https://rex.subtonomy.com/insights/ebooks): Insights on lawful intercept, data retention, SAR technologies, and compliance in telecom security.
- [Customer Cases](https://rex.subtonomy.com/telia-norway-sharpens-precision-in-sar-operations-with-subtonomy-rex): Real-world examples from Telia on how they use REX.
- [Technical Blog](https://rex.subtonomy.com/blog): Deep dives into telecom security, lawful intercept, data retention and the technologies that can help.
## Contact Information
- Website: https://www.subtonomy.com
- Head Office: Katarinavägen 19, 116 45 Stockholm, Sweden.
- Contact: info@subtonomy.com