Filecatalyst 'link' - Tripwire

It didn't make sense. A classic man-in-the-middle would have been caught immediately. But this was a delayed mutation.

Marta was the lead security engineer for Arctic Helix , a joint polar research initiative. Every six hours, a 200GB seismic dataset from a remote ice station in Svalbard needed to be shipped to a supercomputer in Oslo. They used for this—it was the only thing that could push data that heavy across a shaky satellite link without failing. tripwire filecatalyst

The alert was cryptic: /data/incoming/seismic_scan_04.bin had changed. But not just changed—its hash signature had flipped to a value that matched a known beacon from a test environment decommissioned six months ago. It didn't make sense