In October 2019, security researchers Vinny Troia and Bob Diachenko identified an unprotected Elasticsearch server holding 1.2 billion records of personal data. The exposed data included an index indicating it was sourced from data enrichment company People Data Labs (PDL) and contained 622 million unique email addresses. The server was not owned by PDL and it's believed a customer failed to properly secure the database. Exposed information included email addresses, phone numbers, social media profiles and job history data.
Quick answer — was Data Enrichment Exposure From PDL Customer breached?
Yes. Data Enrichment Exposure From PDL Customer was breached in October 2019, exposing 622,161,052 records including email addresses, employers, geographic locations. This breach has been independently verified. If your email was involved, your data may still be at risk today. Check if you were affected.
What happened in the Data Enrichment Exposure From PDL Customer data breach?
In October 2019, security researchers Vinny Troia and Bob Diachenko identified an unprotected Elasticsearch server holding 1.2 billion records of personal data. The exposed data included an index indicating it was sourced from data enrichment company People Data Labs (PDL) and contained 622 million unique email addresses. The server was not owned by PDL and it's believed a customer failed to properly secure the database. Exposed information included email addresses, phone numbers, social media profiles and job history data.
The exposed data included 7 types of personal information. Learn more about what a data breach means for you.
Why was the Data Enrichment Exposure From PDL Customer breach so dangerous?
The Data Enrichment Exposure From PDL Customer breach exposed 622,161,052 records — 622.2M people whose personal data is now circulating in criminal markets.
Don't wait to find out — check if your email was exposed in this breach.
What data was stolen in the Data Enrichment Exposure From PDL Customer breach?
Email addresses — used for phishing attacks and credential stuffing against your other accounts
Employers — may be combined with other breach data to build a profile for targeted attacks
Geographic locations — may be combined with other breach data to build a profile for targeted attacks
Job titles — may be combined with other breach data to build a profile for targeted attacks
Names — used to build profiles and target you with personalised scams
Phone numbers — enables SIM-swapping attacks and targeted SMS phishing
Social media profiles — may be combined with other breach data to build a profile for targeted attacks
Is the Data Enrichment Exposure From PDL Customer breach still dangerous in 2026?
Yes. Stolen data from the Data Enrichment Exposure From PDL Customer breach remains dangerous years after the incident. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2019 are still actively used in automated attacks today.
Personal information like email addresses, phone numbers, and dates of birth does not expire. Even if you changed your Data Enrichment Exposure From PDL Customer password, the other exposed data can be combined with information from other breaches to target you. Learn how long stolen data stays dangerous.
What to do if your email was in the Data Enrichment Exposure From PDL Customer breach
Change your Data Enrichment Exposure From PDL Customer password immediately
Log into Data Enrichment Exposure From PDL Customer and change your password to something strong and unique — one you have never used anywhere else.
Change any account sharing that password
If you reused this password elsewhere, change it on every affected account. Attackers test stolen credentials against hundreds of popular sites within hours.
Enable two-factor authentication
Turn on 2FA on Data Enrichment Exposure From PDL Customer and every important account. Even if your password is known, attackers cannot access the account without the second factor.
Check your other accounts for this breach
Run a full email scan to see every breach your address appears in — not just this one.
Check all my breaches — freeFrequently asked about the Data Enrichment Exposure From PDL Customer breach
How many people were affected by the Data Enrichment Exposure From PDL Customer data breach?
Is the Data Enrichment Exposure From PDL Customer breach still a risk in 2026?
How do I check if my email was in the Data Enrichment Exposure From PDL Customer breach?
What should I do if I was in the Data Enrichment Exposure From PDL Customer breach?
How this breach page is reviewed
Breach pages are built from structured breach records and reviewed for practical risk guidance by EmailLeaked. Risk labels reflect exposed data types and are intended to help readers prioritise action.
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