Playbook

In September 2021, a publicly accessible PostgresSQL database belonging to the Playbook service was identified. Run by VC firm Plug and Play Ventures, the database had been exposed since October 2020 and contained more than 50 thousand unique email addresses along with names, phone numbers, job titles and passwords stored as PBKDF2 hashes. It took more than 2 weeks after being notified of the exposed data to properly secure it. It's unknown whether Plug and Play Ventures notified impacted indiv

Record: 50538

Appartoo

In March 2017, the French Flatsharing site known as Appartoo suffered a data breach. The incident exposed an extensive amount of personal information on almost 50k members including email addresses, genders, ages, private messages sent between users of the service and passwords stored as SHA-256 hashes. Appartoo advised that all subscribers were notified of the incident in early 2017.

Record: 49681

Protemps

In October 2021, the Singaporean recruitment website Protemps suffered a data breach that exposed almost 50,000 unique email addresses. The impacted data includes names, email and physical addresses, phone numbers, passport numbers and passwords stored as unsalted MD5 hashes, among troves of other jobseeker data. The data was provided to HIBP by a source who requested it be attributed to "white_peacock@riseup.net".

Record: 49591

Quantum Booter

In March 2014, the booter service Quantum Booter (also referred to as Quantum Stresser) suffered a breach which lead to the disclosure of their internal database. The leaked data included private discussions relating to malicious activity Quantum Booter users were performing against online adversaries, including the IP addresses of those using the service to mount DDoS attacks.

Record: 48592

Hemmakväll

In July 2015, the Swedish video store chain Hemmakväll was hacked and nearly 50k records dumped publicly. The disclosed data included various attributes of their customers including email and physical addresses, names and phone numbers. Passwords were also leaked, stored with a weak MD5 hashing algorithm.

Record: 47297

HoundDawgs

In December 2017, the Danish torrent tracker known as HoundDawgs suffered a data breach. More than 55GB of data was dumped publicly and whilst there was initially contention as to the severity of the incident, the data did indeed contain more than 45k unique email addresses complete extensive logs of torrenting activity, IP addresses and SHA1 passwords.

Record: 45701

Lanwar

In July 2018, staff of the Lanwar gaming site discovered a data breach they believe dates back to sometime over the previous several months. The data contained 45k names, email addresses, usernames and plain text passwords. A Lanwar staff member self-submitted the breach to HIBP and has also contacted the relevant authorities about the incident after identifying a phishing attempt to extort Bitcoin from a user.

Record: 45120

Lounge Board

At some point in 2013, 45k accounts were breached from the Lounge Board "General Discussion Forum" and then dumped publicly. Lounge Board was a MyBB forum launched in 2012 and discontinued in mid 2013 (the last activity in the logs was from August 2013).

Record: 45018

SpyFone

In August 2018, the spyware company SpyFone left terabytes of data publicly exposed. Collected surreptitiously whilst the targets were using their devices, the data included photos, audio recordings, text messages and browsing history which were then exposed via a number of misconfigurations within SpyFone's systems. The data belonged the thousands of SpyFone customers and included 44k unique email addresses, many likely belonging to people the targeted phones had contact with.

Record: 44109

Nulled.ch

In May 2020, the hacking forum Nulled.ch was breached and the data published to a rival hacking forum. Over 43k records were compromised and included IP and email addresses, usernames and passwords stored as salted MD5 hashes alongside the private message history of the website's admin. The data was provided to HIBP by a source who requested it be attributed to "Split10".

Record: 43491