Was Capital Printing hit by ransomware?

Capital Printing was listed by the Cicada3301 ransomware operation (United Kingdom), 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 Cicada3301 ransomware group?

Cicada3301 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 Capital Printing breach?

Cicada3301 published data attributed to Capital Printing (~5 TB). Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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Prisma (formerly Capital Printing)

listed as Capital Printing · Claimed by Cicada3301 · listed 2 years ago

5 TB

Data size

22m

Age

since listed · data leaked

Status timeline

ListedSep 20, 2024
Data leakeddate unknown

At a glance

Group: Cicada3301
Status: Data leaked
Country: United Kingdom
Sector: Business Services
Listed on leak site: Sep 20, 2024
Data size: 5 TB

About the victim

AI dossier — public-source company profile

Prisma is a full-service marketing solutions and print production company offering direct mail, large format printing, packaging, kitting & fulfillment, and technology-enabled marketing logistics. Founded 30 years prior to the leak post (1994), the company operates multiple regional locations and serves retail, financial services, restaurants, healthcare, and hospitality sectors.

Industry: Print Production & Marketing Logistics Services
Address: Multiple locations: Phoenix, Austin, Baton Rouge, New Orleans; headquarters unknown from excerpt
Founded: 1994

Attack summary

Severity: critical — Confirmed exfiltration and publication of 5 TB of sensitive data including financial records (banking, accounting), client data, and HR records. Scale and regulated data categories (financial, personal employee information) warrant critical classification.

Cicada3301 claims to have exfiltrated 5 TB of data including client records, work projects, accounting, banking documents, and HR files. The group threatened publication by 09.22.24 18:00 UTC if the company did not negotiate; the disclosed status indicates data was subsequently published.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Client records and contact information
Work projects and project files
Accounting documents
Banking documents
HR personnel records

What the group claims

If the company does not contact us by 09.22.24 18:00 UTC, the data will be published! Capital Printing offer expertise in conceptualizing, engineering and manufacturing your unique packaging projects. "Thirty years ago, Nolan Russo founded Capital Printing with the commitment to always honor and respect those who trusted him with their work." (c) www.capitalprintingcorp.com We stolen 5 TB of data, clients, work projects, accounting, banking documents, HR. The data will be published if the company refuses to cooperate and protect the private documents and interests of its clients and employees. We want to make sure that Capital Printing corp really lives up to its claims, respects its clients and values its 30-year business !!! The company decided to receive money from the insurance company in order to steal it, ignoring its employees and clients (proof in screenshots) !!! And this means their time is coming to an end... If the company does not contact us by 09.22.24 18:00 UTC, the data will be published!

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 Cicada3301

Cicada3301 is a recently emerged ransomware group that began operations in June 2024, primarily motivated by financial gain through extortion activities targeting organizations across multiple sectors. The group's origin and affiliations remain largely undocumented in public threat intelligence reporting, with limited information available regarding their operational structure or potential connections to other cybercriminal organizations. Based on observed targeting patterns, Cicada3301 has demonstrated a preference for attacking business services, technology, manufacturing, and financial sector organizations, with their operations concentrated primarily in English-speaking countries including the United States, United Kingdom, and Canada, as well as extending to Spain and Singapore. The group has successfully compromised approximately 75 known victims since their emergence, though specific details regarding their attack methodologies, initial access vectors, encryption techniques, and extortion tactics have not been extensively documented in publicly available threat intelligence reports from major cybersecurity firms or government agencies. Given the limited public documentation available from CISA, FBI, Mandiant, or other reputable security researchers, the group's current operational status, technical capabilities, and specific attack infrastructure remain largely uncharacterized in open-source intelligence reporting. As of the most recent observations, Cicada3301 appears to remain active in conducting ransomware operations, though comprehensive analysis of their tactics, techniques, and procedures awaits more detailed public reporting from established threat intelligence sources. The group has been linked to 75 public disclosures across our corpus. First observed on a leak site on June 20, 2024; most recent post September 4, 2025. The operation is currently inactive.

Timeline of this disclosure

September 20, 2024Capital Printing listed by Cicada3301on the group's public leak site

Data size: 5 TB

Other recent disclosures by Cicada3301

Cicada3301 has been linked to 75 public victims on Darkfield. A sample of the most recent:

See the full Cicada3301 dossier →

Sector and geography

This disclosure adds to ransomware activity in the Business Services sector, which has 3,796 disclosures indexed across all operators we track. Geographically, Capital Printing is reported in United Kingdom, a country with 1,217 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Cicada3301 means Capital Printing 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, NCSC (United Kingdom), as required for your jurisdiction.
Monitor for the data appearing on Cicada3301'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.