Eskimi 2020 Data Breach
Advertising & Marketing / Mobile AdTech / Enterprise / Consumer data
Eskimi 2020 Data Breach: 26 Million AdTech Records Exposed
Lithuania-based mobile advertising (AdTech) platform.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
25/100
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.
26.3MRecords
2020Year
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
In late 2020, Eskimi suffered a breach exposing about 26 million records, with 1.2 million unique email addresses, including usernames, dates of birth, gender and passwords stored as unsalted MD5 hashes.
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…
26.3M records analyzed
About Eskimi
Eskimi is a Lithuania-based mobile advertising and AdTech platform providing programmatic ad targeting and audience data across emerging markets.
Why They Hold Your Data
An AdTech platform holds user account data plus large volumes of audience, behavioral and location-linked advertising data.
Recent Developments
Eskimi continues to operate; in 2025 it drew scrutiny after reporting that its ad-targeting data was used to traffic location data on US military and intelligence personnel.
Data Points Exposed
6 verified field types
Date of Birth High
Email Address
Gender
Geographic location
Password High
Username
Breach Impact
The breach exposed account credentials at scale; separately, Eskimi's core ad-data practices later attracted national-security scrutiny.
Exploitation & Downstream Threats
• Credential stuffing against reused passwords across other platforms | • Targeted phishing campaigns using exposed email addresses | • Doxxing risk from physical address exposure
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
- Reset any reused passwords and enable MFA on email first, then financial accounts.
- 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).
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