Grayscale Investments
everestThis record tracks a ransomware attack claimed by the everest group against Grayscale Investments. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAPWindow Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.
Attack Summary
[AI generated] Grayscale Investments is a digital currency asset management company, founded by Barry Silbert in 2013. It provides secure access to the digital currency asset class through its single-asset and diversified investment products, including Grayscale Bitcoin Trust and Grayscale Digital Large Cap Fund. It operates in the US and has the distinction of managing the largest Bitcoin portfolio.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.