General Finding the sites Winter Nexus data-hacking signatures spawn in systems affected by volatile ice storms in HS , LS and NS . LS sites are assumed to be the most valuable ones, followed by NS and then HS . Exactly 30 minutes after a site despawns (shortly after hacking), a new signature respawns in the same system. Unlocking the 2nd canister In all sites, there's a 2nd canister that only can be hacked if a specific item (from Yoiul LADs ) has been deposited into Sansha's Stormfield Projector. In HS  sites a Cryostatic Estimator is required to unlock the 2nd canister In LS  sites a Cryostatic Nullifier is required to unlock the 2nd canister In NS  sites a Cryostatic Suppressor is required to unlock the 2nd canister Fits Buzzard (cheap) Buzzard (expensive)