Nation-State Cyber Threats
Symantec Confirms Fast16: The 2005-Era Sabotage Tool That Quietly Poisoned Nuclear Weapon Simulations
Symantec independently confirmed Fast16, a 2005-era pre-Stuxnet sabotage framework first disclosed by SentinelOne. It silently corrupted LS-DYNA and AUTODYN finite-element solver outputs for nuclear weapons design, acting only when material density crossed 30 g/cm cubed.