The Internet has a long history of turbulent relations, major maliciously designed disruptions, and other conflicts. This is a list of known and documented Internet, Usenet, virtual community and World Wide Web related conflicts, and of conflicts that touch on both offline and online worlds with possibly wider reaching implications.
Anonymous is a decentralized international activist and hacktivist collective and movement primarily known for its various cyberattacks against several governments, government institutions and government agencies, corporations and the Church of Scientology.
LastPass is a password manager application. The standard version of LastPass comes with a web interface, but also includes plugins for various web browsers and apps for many smartphones. It also includes support for bookmarklets.
Ashley Madison, or The Ashley Madison Agency, is a Canadian online dating service and social networking service. It was launched in 2002 and marketed to people who are married who are looking for affairs. The website's slogan is "Life is short. Have an affair."
LulzSec was a black hat computer hacking group that claimed responsibility for several high profile attacks, including the compromise of user accounts from PlayStation Network in 2011. The group also claimed responsibility for taking the CIA website offline. Some security professionals have commented that LulzSec has drawn attention to insecure systems and the dangers of password reuse. It has gained attention due to its high profile targets and the sarcastic messages it has posted in the aftermath of its attacks. One of the founders of LulzSec was computer security specialist Hector Monsegur, who used the online moniker Sabu. He later helped law enforcement track down other members of the organization as part of a plea deal. At least four associates of LulzSec were arrested in March 2012 as part of this investigation. Prior, British authorities had announced the arrests of two teenagers they alleged were LulzSec members, going by the pseudonyms T-flow and Topiary.
NullCrew was a hacktivist group founded in 2012 that took responsibility for multiple high-profile computer attacks against corporations, educational institutions, and government agencies.
In July 2015, an unknown person or group calling itself "The Impact Team" announced they had stolen the user data of Ashley Madison, a commercial website billed as enabling extramarital affairs. The hacker(s) copied personal information about the site's user base and threatened to release users' names and personal identifying information if Ashley Madison would not immediately shut down. As evidence of the seriousness of the threat, the personal information of more than 2,500 users was initially released. The company initially denied that its records were insecure, but it continued to operate.
Have I Been Pwned? is a website that allows Internet users to check whether their personal data has been compromised by data breaches. The service collects and analyzes hundreds of database dumps and pastes containing information about billions of leaked accounts, and allows users to search for their own information by entering their username or email address. Users can also sign up to be notified if their email address appears in future dumps. The site has been widely touted as a valuable resource for Internet users wishing to protect their own security and privacy. Have I Been Pwned? was created by security expert Troy Hunt on 4 December 2013.
Phineas Fisher is an unidentified hacktivist and self-proclaimed anarchist revolutionary. Notable hacks include the surveillance company Gamma International, Hacking Team, the Sindicat De Mossos d'Esquadra and the ruling Turkish Justice and Development Party three of which were later made searchable by WikiLeaks.
Credential stuffing is a type of cyberattack in which the attacker collects stolen account credentials, typically consisting of lists of usernames or email addresses and the corresponding passwords, and then uses the credentials to gain unauthorized access to user accounts on other systems through large-scale automated login requests directed against a web application. Unlike credential cracking, credential stuffing attacks do not attempt to use brute force or guess any passwords – the attacker simply automates the logins for a large number of previously discovered credential pairs using standard web automation tools such as Selenium, cURL, PhantomJS or tools designed specifically for these types of attacks, such as Sentry MBA, SNIPR, STORM, Blackbullet and Openbullet.
In 2013 and 2014, the American web services company Yahoo was subjected to two of the largest data breaches on record. Although Yahoo was aware, neither breach was revealed publicly until September 2016.
Collection #1 is the name of a set of email addresses and passwords that appeared on the dark web around January 2019. The database contains over 773 million unique email addresses and 21 million unique passwords, resulting in more than 2.7 billion email/password pairs. The list, reviewed by computer security experts, contains exposed addresses and passwords from over 2000 previous data breaches as well as an estimated 140 million new email addresses and 10 million new passwords from previously unknown sources, and collectively makes it the largest data breach on the Internet.
Distributed Denial of Secrets, abbreviated DDoSecrets, is a nonprofit whistleblower site founded in 2018 for news leaks. The site is a frequent source for other news outlets and has worked on investigations including Cyprus Confidential with other media organizations. In December 2023, the organization said it had published over 100 million files from 59 countries.
Data breach incidences in India were the second highest globally in 2018, according to a report by digital security firm Gemalto. With over 690 million internet subscribers and growing, India has increasingly seen a rise in data breaches both in the private and public sector. This is a list of some of the biggest data breaches in the country.
ShinyHunters is a black-hat criminal hacker group that is believed to have formed in 2020 and is said to have been involved in numerous data breaches. The stolen information is often sold on the dark web.
The Epik data breach occurred in September and October 2021, targeting the American domain registrar and web hosting company Epik. The breach exposed a wide range of information including personal information of customers, domain history and purchase records, credit card information, internal company emails, and records from the company's WHOIS privacy service. More than 15 million unique email addresses were exposed, belonging to customers and to non-customers whose information had been scraped. The attackers responsible for the breach identified themselves as members of the hacktivist collective Anonymous. The attackers released an initial 180 gigabyte dataset on September 13, 2021, though the data appeared to have been exfiltrated in late February of the same year. A second release, this time containing bootable disk images, was made on September 29. A third release on October 4 reportedly contained more bootable disk images and documents belonging to the Texas Republican Party, a customer of Epik's.
Vincenzo Troia is an American ethical hacker and cybersecurity researcher who is known for reporting and identifying the Dark Overlord hacker group and hacker pompompurin, who was the owner-operator of the website BreachForums and was also involved in the 2021 FBI email hacking. He is also known for disclosing the Shanghai police database leak in 2022.
Verifications.io is a defunct email-focused technology firm whose primary practice was to validate email addresses for email marketing platforms. The company's platform allowed for email marketing firms to submit lists to the company, which would verify the lists for valid email addresses.
