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PBC Companies

Claimed by BianLian · listed 2 years ago

23m
Age
since listed · data leaked

Status timeline

  1. ListedAug 18, 2024
  2. Data leakeddate unknown

At a glance

Group
BianLian
Status
Data leaked
Country
United States
Sector
Government
Listed on leak site
Aug 18, 2024

About the victim

AI dossier — public-source company profile

PBC Companies is a specialty concrete and masonry subcontractor based in Southern California (Anaheim, with additional offices in Escondido and Pacoima). They perform decorative architectural concrete, stamped concrete, masonry, interlocking pavers, and restoration work for major general contractors on high-profile projects, completing several thousand jobs per year.

Industry
Specialty Construction & Masonry
Address
2929 E White Star Ave, Anaheim, CA 92806, USA

Attack summary

Severity: medium — Data published without explicit proof files enumerated. No specific regulated data categories (medical, financial, government) confirmed in the leak post despite the 'Government' sector tag. The victim is a construction subcontractor with no obvious access to sensitive federal or state data; the sector classification may reflect client work rather than the company's own operations.

BianLian claims to have compromised PBC Companies and published exfiltrated data. The group's post provides limited detail on the specific data accessed or attack methodology.

medium

What the group claims

PBC performs several thousand design and construction jobs per year, working with major general contractors and on the most prestigious projects.

Sources

Source

Indexed 2 years 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.

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Disclosure context

About BianLian

**Overview:** BianLian is a financially motivated ransomware group that emerged in July 2022, quickly establishing itself as a significant threat to organizations across multiple sectors. The group operates with a primary focus on extorting victims for financial gain through data encryption and exfiltration tactics. **Origin & Affiliation:** While the exact country of origin remains unconfirmed by public reporting, BianLian appears to operate as an independent ransomware group rather than following a traditional Ransomware-as-a-Service model. Security researchers have not established definitive links between BianLian and other known ransomware families or cybercriminal organizations. **Attack Methodology:** BianLian typically gains initial access through compromised Remote Desktop Protocol (RDP) credentials and exploits of public-facing applications, according to security researchers. The group employs double extortion tactics, stealing sensitive data before encrypting victim systems, and threatens to publish exfiltrated information on their leak site if ransom demands are not met. Their operations demonstrate sophisticated understanding of network environments and data exfiltration techniques. **Notable Campaigns:** Since its emergence, BianLian has successfully compromised over 670 organizations globally, with documented cases spanning critical infrastructure and major corporations across their primary target sectors. The group has been particularly active in targeting healthcare organizations, prompting attention from cybersecurity agencies due to the critical nature of these attacks. **Current Status:** As of recent threat intelligence reporting, BianLian remains an active ransomware threat, continuing to target organizations primarily in the United States, United Kingdom, Canada, India, and Australia. The group has been linked to 668 public disclosures across our corpus. First observed on a leak site on July 14, 2022; most recent post March 31, 2025. The operation is currently inactive.

Also tracked as: Hydra.

Timeline of this disclosure

  • August 18, 2024PBC Companies listed by BianLianon the group's public leak site

Other recent disclosures by BianLian

BianLian has been linked to 668 public victims on Darkfield. A sample of the most recent:

See the full BianLian dossier →

Sector and geography

This disclosure adds to ransomware activity in the Government sector, which has 685 disclosures indexed across all operators we track. Geographically, PBC Companies is reported in United States, a country with 11,033 ransomware disclosures in our corpus.

If your organisation is affected

A listing by BianLian means PBC Companies 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.
  • Report the incident to your national CERT, CISA (United States), as required for your jurisdiction.
  • Monitor for the data appearing on BianLian'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.