Ordine Avvocati di Roma

In May 2019, the Lawyers Order of Rome suffered a data breach by a group claiming to be Anonymous Italy. Data on tens of thousands of Roman lawyers was taken from the breached system and redistributed online. The data included contact information, email addresses and email messages themselves encompassing tens of thousands of unique email addresses. A total of 42k unique addresses appeared in the breach.

Record: 41960

Flashback

In February 2015, the Swedish forum known as Flashback had sensitive internal data on 40k members published via the tabloid newspaper Aftonbladet. The data was allegedly sold to them via Researchgruppen (The Research Group) who have a history of exposing otherwise anonymous users, primarily those who they believe participate in "troll like" behaviour. The compromised data includes social security numbers, home and email addresses.

Record: 40256

Pixel Federation

In December 2013, a breach of the web-based game community based in Slovakia exposed over 38,000 accounts which were promptly posted online. The breach included email addresses and unsalted MD5 hashed passwords, many of which were easily converted back to plain text.

Record: 38108

Muslim Directory

In February 2014, the UK guide to services and business known as the Muslim Directory was attacked by the hacker known as @th3inf1d3l. The data was consequently dumped publicly and included the web accounts of tens of thousands of users which contained data including their names, home address, age group, email, website activity and password in plain text.

Record: 37784

Sony

In 2011, Sony suffered breach after breach after breach — it was a very bad year for them. The breaches spanned various areas of the business ranging from the PlayStation network all the way through to the motion picture arm, Sony Pictures. A SQL Injection vulnerability in sonypictures.com lead to tens of thousands of accounts across multiple systems being exposed complete with plain text passwords.

Record: 37103

Hub4Tech

On an unknown date in approximately 2017, the Indian training and assessment service known as Hub4Tech suffered a data breach via a SQL injection attack. The incident exposed almost 37k unique email addresses and passwords stored as unsalted MD5 hashes. No response was received from Hub4Tech when contacted about the incident.

Record: 36916

BigMoneyJobs

In April 2014, the job site bigmoneyjobs.com was hacked by an attacker known as "ProbablyOnion". The attack resulted in the exposure of over 36,000 user accounts including email addresses, usernames and passwords which were stored in plain text. The attack was allegedly mounted by exploiting a SQL injection vulnerability.

Record: 36789

Fridae

In May 2014, over 25,000 user accounts were breached from the Asian lesbian, gay, bisexual and transgender website known as "Fridae". The attack which was announced on Twitter appears to have been orchestrated by Deletesec who claim that "Digital weapons shall annihilate all secrecy within governments and corporations". The exposed data included password stored in plain text.

Record: 35368

BitTorrent

In January 2016, the forum for the popular torrent software BitTorrent was hacked. The IP.Board based forum stored passwords as weak SHA1 salted hashes and the breached data also included usernames, email and IP addresses.

Record: 34235

Hacking Team

In July 2015, the Italian security firm Hacking Team suffered a major data breach that resulted in over 400GB of their data being posted online via a torrent. The data searchable on "Have I Been Pwned?" is from 189GB worth of PST mail folders in the dump. The contents of the PST files is searchable on Wikileaks.

Record: 32310