Netlog 2012 Data Breach
ObscureIQ Breach Intelligence
Low SeverityWebsite / service breach
Netlog Belgian Social Network Breach (2012, Discovered 2018): 56 Million User Emails & Passwords Exposed
Social networking platform (defunct).
Verified by ObscureIQ Intelligence
25/100Breach Risk Index
6Data Value
25Market Recency
551dSince Breach
Breach Intelligence Summary
Entity: Netlog · Actor: Unknown · Sources: 4 references
Attack: Unknown
Profile: Platform · Social networking services · Legacy social media platform · Europe
Timeline: Breach (2012-11-01) · Indexed (Jan 03, 2025) · Year (2012)
Exposure: 56.0M records · 2 fields: Email Address, Password
Status: Confirmed
Executive Summary
In July 2018, a data breach of the defunct Belgian social network Netlog, dating back to November 2012, was identified. It exposed email addresses and plaintext passwords for a very large number of subscribers (this record reflects ~55.98 million; some reporting cites ~49 million). Netlog had been discontinued in 2015, and the breach went undetected for roughly six years. The credentials are usable for credential stuffing. Threat actor and intrusion method are not reliably established.
ObscureIQ assessment: Exposure enables account takeover, harassment, and resurfacing of old social identities or relationships. Legacy-platform data can also create unexpected reputational harm years later.
Breach Impact
The exposure of email addresses and plaintext passwords for tens of millions of former Netlog users primarily creates credential-stuffing and account-takeover risk where those passwords were reused elsewhere, plus targeted phishing. Plaintext storage made the credentials immediately usable.
About Netlog
Netlog was a Belgian social-networking platform popular across Europe in the late 2000s, letting users build profiles, share content, and connect. It was discontinued in 2015.
Why They Hold Your Data
Legacy social-media platforms collect user accounts, profile data, messages, photos, social connections, and historic engagement records tied to personal networking and online identity.
Recent Developments
Although Netlog shut down in 2015, in July 2018 a data breach dating back to November 2012 was identified, exposing subscriber email addresses and plaintext passwords. As a defunct service, remediation for affected individuals is limited to password-reuse mitigation.
Data Points Exposed
2 verified field types
Email Address
Password Critical
Field names are shown in full for clarity and search visibility. Canonical machine keys are emitted only in this page’s structured data.
Exploitation & Downstream Threats
Threat Activity:High
Primary downstream threats:
- Credential stuffing and account takeover against reused passwords (plaintext, immediately usable)
- Targeted phishing using exposed email addresses
Threat vectors:
- Credential stuffing & account takeover
- Password reuse exploitation
- Phishing, credential stuffing & account takeover
Recommended Actions
If you believe your information may be included:
Change Reused Passwords
Update this account and anywhere you reused the password; use a manager.
Enable MFA Everywhere
Turn on multi-factor authentication on email first, then financial accounts.
Report & Recover
If you spot misuse, start an official recovery plan and report fraud.
Frequently Asked Questions
What happened in the Netlog breach?▾
In July 2018, a data breach of the defunct Belgian social network Netlog, dating back to November 2012, was identified. It exposed email addresses and plaintext passwords for a very large number of subscribers (this record reflects ~55.98 million; some reporting cites ~49 million). Netlog had been…
What data was exposed?▾
Verified fields include Email Address, Password.
What should I do if I was affected?▾
Change reused passwords, enable MFA, and (if identity or financial data is involved) freeze your credit and monitor your accounts.
Sources & References
Every claim on this page is traceable. This breach draws on:
Breach Index
Breach Index
Cross-source
9ghz
ObscureIQ Intelligence
ObscureIQ proprietary analysis
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