DARPA’s PWND² Program: Building Provably Secure Hidden Networks for the Digital Battlefield

The Challenge: Securing Communications in the Age of Persistent Surveillance Modern military operations depend on communication networks that are not only secure but also invisible to adversaries. Traditional approaches to hidden networking—ranging from VPNs to Tor and custom-encrypted channels—have provided limited protection, but they rely on heuristic assumptions rather than mathematically verified guarantees. In today’s…