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Ransomware Victim

SEVENOAKS s.r.o.

Ransomware attack by Emperador · Disclosed September 16, 2026 · 🇨🇿 Czech Republic

7oaks.cz

Date Disclosed
Sep 16, 2026
2026
Threat Group
Emperador
22 total victims
Country
🇨🇿 Czech Republic
Industry
—

ThreatAI Analysis

Compiled from this incident record and the threat intelligence profile for Emperador. Figures and technique mappings are quoted from the source data, not inferred.

On 16 September 2026, Emperador listed SEVENOAKS s.r.o., a Computer Systems Design and Related Services enterprise based in Czech Republic, on its dark web leak site.

About SEVENOAKS s.r.o.

Sevenoaks, S.R.O. is an enterprise based in Czech Republic. Its main office is in Prague. The company operates in the Computer Systems Design and Related Services industry. [Size: 3.3 GB | Sector: Technology, Other]

Source record: ransomware.live

About the Emperador group

Emperador has listed 15 victims since August 2026.

Vulnerabilities Emperador is recorded exploiting

5 of these 5 are in the CISA Known Exploited Vulnerabilities catalog, 5 of them recorded by CISA as used in ransomware campaigns. CVEs attributed to Emperador across its reported activity. There is no indication that any of these was involved in the SEVENOAKS s.r.o. incident — the source data does not record an entry point.

Incident Analysis

SEVENOAKS s.r.o. was targeted by Emperador ransomware, one of the most active ransomware groups in our database with 22 confirmed victims globally. The attack was disclosed on September 16, 2026, when SEVENOAKS s.r.o. appeared on the group's dark web leak site.

SEVENOAKS s.r.o. is based in Czech Republic . Czech Republic ranks #33 globally for ransomware attacks, with 88 victims in our database.

Emperador typically employs a double extortion model: first exfiltrating sensitive data from the victim's systems, then deploying ransomware to encrypt files. Victims face two simultaneous threats — paying to restore access and paying to prevent publication of stolen data. The group's leak site publishes victim names and exfiltrated data as leverage.

Data source: This incident record is sourced from public ransomware group leak site disclosures aggregated via the ransomware.live API. Disclosure date reflects when the victim was published on the leak site, which may differ from the initial date of compromise. This platform does not publish or link to stolen data. Last data update: Sep 19, 2026 14:00 UTC.

Frequently Asked Questions

Was SEVENOAKS s.r.o. attacked by ransomware?

Yes. SEVENOAKS s.r.o. was listed as a victim of the Emperador ransomware group on September 16, 2026. The organisation is based in Czech Republic. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked SEVENOAKS s.r.o.?

SEVENOAKS s.r.o. was attacked by Emperador ransomware. Emperador is one of the most active ransomware groups, having claimed 22 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the SEVENOAKS s.r.o. ransomware attack occur?

The ransomware attack on SEVENOAKS s.r.o. was disclosed on September 16, 2026. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the SEVENOAKS s.r.o. ransomware attack?

The specific data stolen from SEVENOAKS s.r.o. has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. Sensitive business data was likely targeted.

How can organisations protect against Emperador attacks?

To defend against Emperador and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.