CRITICAL SEVERITY

VNG Data Breach

Verified by ObscureIQ Intelligence

9.5Severity
77.4MRecords
12Data Fields
2015Year

Impact & Downstream Threats

This breach carries critical risk due to the nature of exposed data fields and the scale of affected records.

Primary 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

Breach Intelligence

EntityVNG
OrganizationPrivate Company • Vietnam
Breach DateMay 2015
Disclosure45627.0
Records Exposed~77.4M
Attack VectorUnknown
SourceHave I Been Pwned / DataBreach.com / ObscureIQ intelligence
StatusConfirmed

Executive Summary

In April 2018, news broke of a massive data breach impacting the Vietnamese company known as VNG after data was discovered being traded on a popular hacking forum where it was extensively redistributed. The breach dated back to an incident in May of 2015 and included of over 163 million customers. The data in the breach contained a wide range of personal attributes including usernames, birth dates, genders and home addresses along with unsalted MD5 hashes and 25 million unique email addresses. The data was provided to HIBP by dehashed.com.

About VNG

Vietnamese technology company with gaming, payments, cloud, and internet services.

Private CompanyVietnamvng.com.vn

Data Points Exposed

Verified fields in the released dataset:
Dates of birth
Email addresses
Full names
Gender
IP addresses
Job / occupation
Passwords
Phone numbers
Physical addresses
Relationship status
Usernames

Dark Web Verification

Status: Confirmed

  • Dataset containing approximately 77.4M records identified in breach intelligence sources.
  • The data is indexed and searchable across breach notification platforms.

Recommended Actions

⚠️ Do not assume this is low sensitivity.

Change Passwords
Change your VNG password immediately and any account sharing similar credentials.
Expect Targeted Phishing
Watch for emails referencing this breach. Verify communications through official channels.
Secure Email & Enable MFA
Email compromise is often the first pivot point. Enable multi-factor authentication.
Monitor Financial Accounts
Watch for unauthorized credit applications and suspicious activity.
Check Your Exposure
ObscureIQ clients: this breach is indexed in your profile.
Non-clients may request a breach impact review.

Frequently Asked Questions

What happened in the VNG data breach?

In May 2015, VNG experienced a data breach that exposed approximately 77.4M records containing personal information.

What data was exposed?

The exposed data includes fields such as date of birth, email address, full name, gender, ip address.

How many records were affected?

Approximately 77.4M records were affected based on current breach intelligence.

Protect Yourself

Check If You’re Affected

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Request Consultation

ObscureIQ Advisory

We combine proprietary dark web access with commercial and restricted breach intelligence to verify exposure and assess real-world risk.

If you are:
  • A public-facing individual
  • A high-profile executive
  • A customer of VNG
  • Or concerned about credential reuse
Services
AuditsWipesThreat MonitoringTraining

Classification Tags

EmailPhoneAddressPasswordsDOB

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