The McLamb Group 2026 Data Breach
Business Services / Warehousing, Fulfillment & Direct Mail / 3PL and marketing-fulfillment services / United States
The McLamb Group 2026 Data Breach
US third-party logistics and marketing-fulfillment provider offering warehousing, fulfillment, direct mail, inventory management, printing and builder services.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
0/100
Lower riskHigher risk
Lower: limited current risk based on data value and recency.
Data Sensitivity i
StandardExposed data is largely lower-sensitivity. Standard identity-protection precautions are advised.
124k rowsRecords
2026Year
The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.
Breach Summary
On or about April 6, 2026, The McLamb Group was compromised in a PEAR ransomware and extortion attack; PEAR listed the company on April 9, 2026 and threatened to publish stolen data. Roughly 124,000 records are tracked as circulating. The specific personal-data fields were not enumerated beyond names at the confirmed level.
Full threat analysis, exploitation vectors, and principal guidance below.
10 additional sections · verified field analysis · defensive doctrine
Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…
124k rows records analyzed
About The McLamb Group
The McLamb Group, Inc. is a US business-services company providing warehousing and fulfillment, direct-mail services, inventory management, commercial printing and graphic design, and builder services to commercial clients. It operates as a third-party logistics and marketing-fulfillment provider.
Why They Hold Your Data
As a fulfillment and direct-mail provider, McLamb handles client and end-recipient data such as names and mailing addresses along with its own employee records; because direct-mail and fulfillment work involves customer contact lists handled on behalf of clients, the exposed data may extend beyond McLamb's own staff to client-provided recipient data.
Recent Developments
The PEAR ransomware group publicly claimed The McLamb Group on April 9, 2026 (estimated intrusion April 6) and threatened to release stolen data. The company was active as of the listing.
Data Points Exposed
1 verified field types
Full Name
Breach Impact
Because McLamb performs direct-mail and fulfillment for clients, a breach can expose not only its own employees but client-provided recipient lists, creating third-party notification complexity and reputational risk with commercial clients. The PEAR extortion listing raises the likelihood of public data release if the ransom is unpaid.
Principal Risk Advisory
What this means for a principal
A consumer-service breach: contact and account data supports phishing, account takeover and profile enrichment. For a high-profile principal the main risk is credible impersonation and enrichment of existing exposure.
What You Should Do
- Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.
How ObscureIQ Can Help
- Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
- Exposure mapping: cross-reference the exposed identifiers against broker-available data to size and prioritize the principal's wider footprint.
- ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
P
Threat Actor: PEARConfidence: Low
Motivation: Unknown
An ambiguous label without enough reliable public sourcing for a stable threat actor profile. It may refer to a short-lived group, handle, acronym, or non-actor entity.
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