IIMJobs 2018 Data Breach

IIMjobs 2018 Data Breach: 4.1 Million Job-Seeker Records Exposed

Employment / Job Search / Consumer / India

IIMjobs 2018 Data Breach: 4.1 Million Job-Seeker Records Exposed

Indian job portal for management and senior professionals.

Confirmed · ObscureIQ Intelligence
Breach Risk Index i
23/100
Lower riskHigher risk
Lower: limited current risk based on data value and recency.
Data Sensitivity i
Standard
Exposed data is largely lower-sensitivity. Standard identity-protection precautions are advised.
4.2MRecords
2018Year

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.

Classification Tags
Cloud MisconfigurationEmploymentJob SearchUsers2018

Breach Summary

In December 2018, IIMjobs suffered a breach exposing about 4.1 million unique email addresses, along with names, phone numbers, geographic locations, dates of birth, job titles, job applications and cover letters, 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…

4.2M records analyzed

About IIMJobs

IIMjobs is an Indian online recruitment portal focused on management and senior professional roles, connecting job seekers with employers and recruiters.

Why They Hold Your Data

A recruitment portal holds job-seeker identity and contact data, dates of birth, geographic location, job titles, job applications and cover letters, and hashed account passwords.

Recent Developments

IIMjobs continues to operate (later part of the Naukri/Info Edge group). The December 2018 database was leaked on the dark web.

Data Points Exposed

9 verified field types
Date of Birth High
Email Address
Full Name
Geographic location
IP Address
Job Application Data
Job Information
Password High
Phone Number

Breach Impact

The breach exposed detailed professional profiles and application content for a large base of Indian professionals.

Exploitation & Downstream Threats

• Credential stuffing against reused passwords across other platforms | • Identity verification bypass using name + date of birth combination | • SIM swap attacks where phone numbers are present | • Targeted phishing campaigns using exposed email addresses | • Doxxing risk from physical address exposure | • Employment-based social engineering using job and employer data

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

  1. Reset any reused passwords and enable MFA on email first, then financial accounts.
  2. Guard against SIM-swap and vishing: add a carrier port-out PIN and verify any 'support' calls independently.
  3. Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.

How ObscureIQ Can Help

  1. Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
  2. 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.
  3. ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).

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