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Cyber Threat
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Ransomware victim Business Services

PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering

Listed by Deadlock on · organisation based in Poland

pliszka.pl/en

Disclosed
Jul 10, 2026
Leak-site listing date
Threat group
Deadlock
111 victims listed
Country
Poland
#29 most targeted
Sector
Business Services

ThreatAI analysis

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

About PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering

PB Sprinkler Engineering (formerly Pliszka Sprinkler) provides comprehensive fire protection solutions, including technical design in 2D and 3D, and customized, certified systems. The company specializes in electronic detection and fixed gas extinguishing systems. Pliszka is a Polish engineering firm based in Gdańsk with over 30 years of experience specializing in comprehensive active fire protection systems. The company provides design, installation, and maintenance services for automatic extinguishing, fire alarm, and smoke removal systems, along with 24/7 service.

Source record: ransomware.live

About the Deadlock group

Deadlock has listed 104 victims since May 2026.

Incident analysis

PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering was listed by Deadlock ransomware, a group with 111 victims recorded in this database. The listing appeared on the group's leak site on July 10, 2026.

PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering is based in Poland and operates in the Business Services sector. Poland ranks #29 worldwide for ransomware disclosures, with 121 victims in this database.

Sector context. Business services firms often have access to multiple client environments, making them high-value pivot points for ransomware operators seeking to maximise impact across multiple victim organisations.

Deadlock 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files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished.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 PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering attacked by ransomware?

Yes. PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering was listed as a victim of the Deadlock ransomware group on July 10, 2026. The organisation is based in Poland and operates in the Business Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering?

PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering was attacked by Deadlock ransomware. Deadlock is one of the most active ransomware groups, having claimed 111 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering ransomware attack occur?

The ransomware attack on PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering was disclosed on July 10, 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 PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering ransomware attack?

The specific data stolen from PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering 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 Business Services organisation, PB Sprinkler Engineering Sp. z o.o. and PLISZKA Fire Protection Engineering likely held sensitive business data, client information, and operational records.

How can organisations protect against Deadlock attacks?

To defend against Deadlock 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.