Victim Claim
HostBooks (HOT!)
Claimed by
genesis
Listed on leak site
11 May 2026
Reported attack date
09 May 2026
Group claims tracked
37
Unverified claim.
This entry reproduces a listing published by the genesis group on its own extortion site.
Attackers routinely exaggerate or fabricate victims. Nothing here confirms that
HostBooks (HOT!) suffered a breach, or what data was actually taken.
About the organisation
An accounting software provider.
What the listing means
HostBooks (HOT!) appeared on the genesis leak site on 11 May 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated — the attack itself is dated 09 May 2026, 2 days before the listing. This group has published 10 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing HostBooks (HOT!) as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on hostbooks.com, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Business Services organisations should review this group's known TTPs and validate detection coverage against them.
- Watch for follow-on extortion: stolen data is often re-leaked or resold after the initial listing.
- A leak-site listing is a claim made by the attacker, not a confirmed breach — check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/SG9zdEJvb2tzIChIT1QhKUBnZW5lc2lz
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
