BookBlock
fulcrumsecThis record tracks a ransomware attack claimed by the fulcrumsec group against BookBlock. 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] BookBlock is a UK-based premium printing and bookbinding company specializing in high-quality custom notebooks, journals, books, and printed products. It serves both businesses and individual consumers, offering bespoke design and manufacturing services. Operating in the print and publishing industry, BookBlock is known for its craftsmanship and attention to detail, producing products for corporate clients, publishers, and retail customers across the United Kingdom and internationally.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.