Master Deeds Data Breach (2017)
If you are a customer of Master Deeds, here’s what’s now in circulation.
In March 2017, a 27GB database backup file named "Master Deeds" was sent to HIBP by a supporter of the project. Upon detailed analysis later that year, the file was found to contain the personal data of tens of millions of living and deceased South African residents. The data included extensive personal attributes such as names, addresses, ethnicities, genders, birth dates, government issued personal identification numbers and 2.2 million email addresses. At the time of publishing, it's alleged the data was sourced from Dracore Data Sciences (Dracore is yet to publicly confirm or deny the data
Master Deeds customer?
See what’s already exposed about you — free, 15sWe check your email against known public breach records and the sites that publish your address, then show you what to do about each one. We don’t hold this company’s data. No account, no card.
Here for work? Check a company domain’s exposure.
What the free scan actually returns
Found on people-search siteswe remove these
These listings are live, public, and legal to remove — and removing them is what we do.
Found in breach recordsverifiedreported — unverified
Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.
Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.
For security and vendor-risk teams: a staff address in a leak does not mean you were breached — it usually means a third party was. We monitor a domain against 13.1B+ leaked records and tell you when one of your people appears. See what we would check →
Report details & sourcing
Related breaches
MyHeritage — 92 Million Genealogy Accounts, Found by a Researcher Seven Months Later (2017)
The genealogy site lost email addresses and salted SHA-1 hashes in October 2017 and did not learn ab…
Trezor Shipping Data Breach — 13,689 Hardware Wallet Buyers, Home Addresses Included
ShipMonk, a logistics provider used by Trezor, was breached through a vulnerability in the third-par…
Match Group (Tinder, Hinge, OkCupid) Data Breach — January 2026
ShinyHunters claimed responsibility for stealing over 10 million Match Group user records in early 2…