Virgil Systems is assures data transmission integrity and availability in adverse and adversarial environments. In the 21st century, reliable data is a precious commodity. Our defense, finance, energy, healthcare, and transportation systems can only function with uncorrupted data flows. While encryption can preserve the confidentiality of data, there is no reliable system that assures the integrity and availability of transmitted information. These systems can be impacted by hacking attacks, radio jamming, and electromagnetic interference.