JLL.com 2023 Data Breach
Business Services / Commercial Real Estate Services / Global brokerage, advisory and management / United States (global)
JLL.com 2023 Data Breach
Global commercial real estate services firm (Jones Lang LaSalle) providing brokerage, property/facilities management and investment management worldwide.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
41/100
Lower riskHigher risk
Moderate: notable exposure with meaningful misuse potential.
Data Sensitivity i
StandardExposed data is largely lower-sensitivity. Standard identity-protection precautions are advised.
62KRecords
2023Year
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
Employee-directory data attributed to JLL, roughly 62,349 rows dating to May 2023, was exfiltrated via the 2023 MOVEit Transfer (Cl0p) campaign and subsequently reposted by the actor Nam3L3ss on BreachForums. Exposed fields are employee-oriented: names, business email addresses and phone numbers. (JLL also disclosed a separate 2025 Salesloft Drift/Salesforce incident involving SSNs; this record corresponds to the MOVEit-era directory data.)
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…
62K records analyzed
About JLL.com
JLL (Jones Lang LaSalle) is a global commercial real estate services firm headquartered in Chicago, providing brokerage, leasing, capital markets, property and facilities management and investment management to owners and occupiers across some 80 countries, with tens of thousands of employees.
Why They Hold Your Data
This record concerns JLL employee-directory data rather than client records: names, business email addresses and phone numbers of the type held in corporate directory systems, exposed through the 2023 MOVEit file-transfer compromise.
Recent Developments
JLL was among the many organizations whose data was exfiltrated in the 2023 MOVEit (Cl0p) campaign; corporate employee-directory datasets were later reposted by the actor Nam3L3ss on BreachForums in late 2024. JLL separately disclosed a 2025 Salesloft 'Drift'/Salesforce incident (with SSNs) affecting some individuals.
Data Points Exposed
3 verified field types
Email Address
Full Name
Phone Number
Breach Impact
As corporate directory information rather than client identity data, the primary harm is to employees and JLL's internal attack surface, enabling targeted social engineering across a large global services firm. The 2024 re-release prolonged the exposure from the 2023 MOVEit event.
Exploitation & Downstream Threats
• SIM swap attacks where phone numbers are present | • Targeted phishing campaigns using exposed email addresses
Principal Risk Advisory
What this means for a principal
A financial-institution breach: account, wealth or payment data supports direct fraud and highly credible financial-impersonation scams. For a high-profile principal the main risk is credible impersonation and enrichment of existing exposure.
What You Should Do
- Guard against SIM-swap and vishing: add a carrier port-out PIN and verify any 'support' calls independently.
- 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 and footprint neutralization: cross-reference against broker-available data and suppress still-removable elements, prioritizing address and phone, since this record re-seeds broker networks.
- ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
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