Symbiote by Red Balloon Security is an advanced firmware defense solution for embedded devices. Created in 2011, Symbiote is OS-agnostic and effective for any industry or product category relying on embedded devices. Symbiote is compatible with various ECUs, gateways, CPUs, firmware, hardware platforms, and operating systems. It keeps embedded devices safe by constantly checking the integrity of code and memory at the firmware level, ensuring only authorized software runs and preventing unauthorized code execution. Symbiote embeds defensive payloads in device firmware to protect against attacks. It offers real-time, continuous integrity attestation, surpassing load-time integrity methods. Symbiote operates without modifying device source code or requiring additional hardware resources. It is deployed on devices with HP, the U.S. Department of Homeland Security, and used by the U.S. Department of Defense for various industry applications, including electrical grid, telecommunications, aerospace, and COTS products.