Was Suma Sklep hit by ransomware?

Suma Sklep was listed by the thegentlemen ransomware operation (Poland), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the thegentlemen ransomware group?

thegentlemen is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the Suma Sklep breach?

thegentlemen published data attributed to Suma Sklep. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

← All victims

Suma Service

listed as Suma Sklep · Claimed by Thegentlemen · listed 2 months ago

54d

Age

since listed · data leaked

Status timeline

ListedApr 19, 2026
Data leakeddate unknown

At a glance

Group: Thegentlemen
Status: Data leaked
Country: Poland
Sector: Consumer Services
Listed on leak site: Apr 19, 2026

About the victim

AI dossier — public-source company profile

Suma Service is a family-owned Polish company founded in 1995 and headquartered in Koszalin, Poland, operating the B2B e-commerce platform suma24.pl. The company specialises in professional cleaning products, catering equipment, and hygiene systems for the HoReCa (Hotel, Restaurant, Catering) and food industry sectors. It offers 24/7 online ordering, personalised business offers, technical consulting, and long-term partnership programmes.

Industry: B2B Online Retail – Professional Cleaning & Catering Equipment (HoReCa)
Address: Koszalin, Poland
Founded: 1995

Attack summary

Severity: high — Data has been confirmed published by the threat actor. The victim is a B2B platform with business customer records, order histories, and payment-related data, representing significant exposure of commercial PII and transactional data at potential scale.

The group 'thegentlemen' claims to have compromised Suma Service / suma24.pl and has published data (disclosed status: data_published), though the leak post does not explicitly detail whether encryption occurred alongside exfiltration. No ransom amount or specific data volume was stated.

high

Data the group says was taken

AI dossier — extracted from the leak post

Business customer records
Order and transaction data
Contact and account details
Payment method information (bank transfer, BLIK, online transfer data)

What the group claims

Suma24.pl is a Polish B2B online store specializing in professional cleaning products, catering equipment, and hygiene systems for the HoReCa (Hotel, Restaurant, Catering) and food industry sectors. It is operated by Suma Service, a family-owned company founded in 1995 and headquartered in Koszalin, Poland. The store offers 24/7 online ordering with payment via bank transfer, BLIK, and online transfers, and provides personalized offers, technical consulting, and long-term partnership programs

Sources

Victim sitesuma24.pl

Source

Indexed 2 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

Is this your supplier? Your competitor? You?

Pro plans monitor your domain, corporate emails, and crypto wallets across every new ransomware leak-site post, breach dump and Telegram callout — alerts within 5 minutes.

Disclosure context

About thegentlemen

thegentlemen is a ransomware group that emerged in September 2025, operating with apparent financial motivations based on their broad targeting of commercial sectors. The group has documented 267 victims across multiple countries, with primary focus on the United States, Thailand, France, Brazil, and India. Their targeting strategy demonstrates a preference for high-value sectors including manufacturing, technology, healthcare, and financial services organizations. Given the group's recent emergence and limited public documentation from established threat intelligence sources such as CISA, FBI, or major security research firms, specific details regarding their country of origin, operational structure, attack methodologies, encryption techniques, and whether they employ ransomware-as-a-service models remain unclear. The relatively high victim count of 267 in a short operational timeframe since September 2025 suggests either an aggressive campaign pace or potential inflation of victim numbers through affiliate operations, though without corroborating intelligence reports, the group's exact operational capabilities and notable campaigns cannot be definitively established. Current intelligence indicates the group remains active as of late 2025, though comprehensive threat profiling requires additional validated reporting from authoritative cybersecurity sources. The group has been linked to 483 public disclosures across our corpus. First observed on a leak site on September 9, 2025; most recent post June 11, 2026. The operation is currently active.

Also tracked as: the gentlemen.

Timeline of this disclosure

April 19, 2026Suma Sklep listed by thegentlemenon the group's public leak site

Other recent disclosures by thegentlemen

thegentlemen has been linked to 483 public victims on Darkfield. A sample of the most recent:

See the full thegentlemen dossier →

Sector and geography

This disclosure adds to ransomware activity in the Consumer Services sector, which has 396 disclosures indexed across all operators we track. Geographically, Suma Sklep is reported in Poland, a country with 8 ransomware disclosures in our corpus.

If your organisation is affected

A listing by thegentlemen means Suma Sklep appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Monitor for the data appearing on thegentlemen's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.