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Cyber Threat
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Ransomware victim Other

www.mestojilemnice.cz

Listed by Krybit on · organisation based in Czech Republic

www.mestojilemnice.cz

Disclosed
Aug 19, 2026
Leak-site listing date
Threat group
Krybit
199 victims listed
Country
Czech Republic
#33 most targeted
Sector
Other

ThreatAI analysis

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

Krybit listed www.mestojilemnice.cz on its dark web leak site on 19 August 2026. The website is the official municipality site of Jilemnice, a historic Czech town.

About www.mestojilemnice.cz

Město Jilemnice (City of Jilemnice) is the official website of the municipality of Jilemnice, a historic town located i...

Source record: ransomware.live

About the Krybit group

Krybit is an emerging RaaS group that launched in late March 2026, offering affiliates an 80/20 revenue split with support for Windows, Linux, ESXi, and NAS device encryption, and became notable for a public feud with rival group 0APT in which each breached and leaked the other's operator data. Krybit has listed 162 victims since March 2026.

Incident analysis

www.mestojilemnice.cz was listed by Krybit ransomware, a group with 199 victims recorded in this database. The listing appeared on the group's leak site on August 19, 2026.

www.mestojilemnice.cz is based in Czech Republic and operates in the Other sector. Czech Republic ranks #33 worldwide for ransomware disclosures, with 97 victims in this database.

Sector context. Organisations in this sector hold valuable data and operational systems that ransomware groups seek to exploit for financial gain through encryption and data exfiltration.

Krybit typically follows a double extortion model: data is exfiltrated from the victim's systems before files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished. The leak site, where this listing appeared, is the lever for the second demand.

Source. Public leak-site disclosures aggregated via the ransomware.live API. The disclosure date is when the listing was published, which can differ from the date of compromise. This site does not publish or link to stolen data. Last updated .

Frequently asked questions

Was www.mestojilemnice.cz attacked by ransomware?

Yes. www.mestojilemnice.cz was listed as a victim of the Krybit ransomware group on August 19, 2026. The organisation is based in Czech Republic and operates in the Other sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked www.mestojilemnice.cz?

www.mestojilemnice.cz was attacked by Krybit ransomware. Krybit is one of the most active ransomware groups, having claimed 199 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the www.mestojilemnice.cz ransomware attack occur?

The ransomware attack on www.mestojilemnice.cz was disclosed on August 19, 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 www.mestojilemnice.cz ransomware attack?

The specific data stolen from www.mestojilemnice.cz 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. As a Other organisation, www.mestojilemnice.cz likely held sensitive business data, client information, and operational records.

How can organisations protect against Krybit attacks?

To defend against Krybit 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.