2fast4u

In December 2017, the Belgian motorcycle forum 2fast4u discovered a data breach of their system. The breach of the vBulletin message board impacted over 17k individual users and exposed email addresses, usersnames and salted MD5 passwords.

Record: 17706

Verified

In January 2014, one of the largest communities of Eastern Europe cybercriminals known as "Verified" was hacked. The breach exposed nearly 17k users of the vBulletin forum including their personal messages and other potentially personally identifiable information.

Record: 16919

Ethereum

In December 2016, the forum for the public blockchain-based distributed computing platform Ethereum suffered a data breach. The database contained over 16k unique email addresses along with IP addresses, private forum messages and (mostly) bcrypt hashed passwords. Ethereum elected to self-submit the data to HIBP, providing the service with a list of email addresses impacted by the incident.

Record: 16431

Minecraft Pocket Edition Forum

In May 2015, the Minecraft Pocket Edition forum was hacked and over 16k accounts were dumped public. Allegedly hacked by @rmsg0d, the forum data included numerous personal pieces of data for each user. The forum has subsequently been decommissioned.

Record: 16034

Società Italiana degli Autori ed Editori

In November 2018, the Società Italiana degli Autori ed Editori (Italian Society of Authors and Publishers, or SIAE) was hacked, defaced and almost 4GB of data leaked publicly via Twitter. The data included over 14k registered users' names, email addresses and passwords.

Record: 14609

Lizard Squad

In January 2015, the hacker collective known as "Lizard Squad" created a DDoS service by the name of "Lizard Stresser" which could be procured to mount attacks against online targets. Shortly thereafter, the service suffered a data breach which resulted in the public disclosure of over 13k user accounts including passwords stored in plain text.

Record: 13451

CTARS

In May 2022, the client management system for the Australian government's NDIS (National Disability Insurance Scheme) suffered a data breach which was subsequently posted to an online hacking forum. The CTARS cloud platform is used by care providers to record information about NDIS participants and often contains sensitive medical information. Impacted data includes over 12k unique email addresses, physical addresses, names, dates of birth, phone numbers and data related to patient conditions a

Record: 12314

WeLeakInfo

In March 2021, the Stripe account of the now-defunct WeLeakInfo service was taken over by "pompompurin" after acquiring an expired domain name with an email address used to manage the account. Access to Stripe then exposed almost 12k unique email addresses from customers who'd made credit card payments in order to obtain breached data hosted by WeLeakInfo. The data was subsequently leaked publicly and also included names, payment histories, IP addresses, billing addresses, partial credit card d

Record: 11788

The Halloween Spot

In September 2019, the Halloween costume store The Halloween Spot suffered a data breach. Originally misattributed to fancy dress store Smiffys, the breach contained 13GB of data with over 10k unique email addresses alongside names, physical and IP addresses, phone numbers and order histories. The Halloween Spot advised customers the breach was traced back to "an old shipping information database".

Record: 10653

NurseryCam

In February 2021, a series of egregiously bad security flaws were identified in the NurseryCam system designed for parents to remotely monitor their children whilst attending nursery. The flaws led to the exposure of over 10k parent records before the service was shut down. The email addresses alone were provided to Have I Been Pwned to ensure parents were properly notified of the incident.

Record: 10585