Sladek Partners
thegentlemen listed this organization on its leak site on Oct 16, 2026.
- Listing date
- Oct 16, 2026
- Attack date
- Oct 14, 2026
Listing text
ak-sladek_cz Sladek & Partners Prague law firm operating as Mgr. Ivana Sládková, advokát (IČO 66252946), with 24 years of practice since 2002 — specializing in real estate transactions, divorce/family law, and attorney escrow (advokátní úschova). The firm's flagship claim: 500M CZK ($23M) held in escrow annually across 100+ segregated accounts, backed by 500M CZK insurance and 2–5 day payout guarantees. Led by Ivana Sládková (ČAK ev. č. 09496, Charles University, licensed for escrow since 2002, speaks English/German/Russian), with a tiny 3–5 person team (accountant + secretary). Listed in EPRAVO.CZ's notable law firm yearbooks (2013, 2016); pricing is quote-only (hourly/fixed/contingency), no published rates.
About the group
thegentlemen posted its first listing on Sep 9, 2025 and has listed 1,253 organizations to date.
The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.
Learning center
What does this listing mean?
Ransomware groups move data out of the organization before encrypting systems and threaten to publish it if the ransom is not paid. This method is called double extortion.
The listing shows that the group claims to have targeted the organization. Whether the data was published is shown by the later status of the listing.
What should you do if your organization is listed on a leak site?
- Record the listing and any published sample files; do not visit the leak site from the corporate network.
- Isolate affected systems and preserve logs without deleting them.
- Determine which data left the organization; if personal data is involved, review notification obligations with your legal team.
- Make any decision about the ransom demand together with legal, management and incident response.
- Do not bring systems back online before the attacker’s entry point is closed.
Is your organization mentioned?
Search with your domain to check whether your organization appears in ransomware listings, leaked records, forums and Telegram channels.
Search your domainIntelligence 360
Customer intelligence on top of Infostealer Detection: leaked accounts of end users who sign in to your site.