KickassTorrents (commonly abbreviated KAT) was a website that provided a
directory
Directory may refer to:
* Directory (computing), or folder, a file system structure in which to store computer files
* Directory (OpenVMS command)
* Directory service, a software application for organizing information about a computer network's u ...
for
torrent file
In the BitTorrent file distribution system, a torrent file or meta-info file is a computer file that contains metadata about files and folders to be distributed, and usually also a list of the network locations of trackers, which are computer ...
s and
magnet links
Magnet is a URI scheme that defines the format of magnet links, a de facto standard for identifying files (URN) by their content, via cryptographic hash value rather than by their location.
Although magnet links can be used in a number of cont ...
to facilitate
peer-to-peer file sharing
Peer-to-peer file sharing is the distribution and sharing of digital media using peer-to-peer (P2P) networking technology. P2P file sharing allows users to access media files such as books, music, movies, and games using a P2P software program tha ...
using the
BitTorrent protocol. It was founded in 2008 and by November 2014, KAT became the most visited BitTorrent directory in the world, overtaking
The Pirate Bay
The Pirate Bay (sometimes abbreviated as TPB) is an online index of digital content of entertainment media and software. Founded in 2003 by Swedish think tank Piratbyrån, The Pirate Bay allows visitors to search, download, and contribute mag ...
, according to the site's
Alexa
Alexa may refer to: Technology
*Amazon Alexa, a virtual assistant developed by Amazon
* Alexa Internet, a defunct website ranking and traffic analysis service
* Arri Alexa, a digital motion picture camera
People
*Alexa (name), a given name and ...
ranking. KAT went offline on 20 July 2016 when the domain was seized by the U.S. government. The site's
proxy servers
In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource.
Instead of connecting directly to a server that can fulfill a request ...
were shut down by its staff at the same time.
In December 2016, former KAT staff members revived the KAT community by creating a website with its predecessor's features and appearance.
History
KAT was initially launched in November 2008 at the
domain name
A domain name is a string that identifies a realm of administrative autonomy, authority or control within the Internet. Domain names are often used to identify services provided through the Internet, such as websites, email services and more. As ...
''kickasstorrents.com''. In April 2011, it moved to a
Philippine
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, Republika kan Filipinas
* ceb, Republika sa Pilipinas
* cbk, República de Filipinas
* hil, Republ ...
domain ''kat.ph'' after a series of domain name seizures by the
US Department of Justice
The United States Department of Justice (DOJ), also known as the Justice Department, is a federal executive department of the United States government tasked with the enforcement of federal law and administration of justice in the United State ...
against
Demonoid
Demonoid is a BitTorrent tracker and website founded in 2003 to facilitate file sharing, file-sharing related discussion and provide a searchable index of torrent files. The site underwent intermittent periods of extended downtime in its histo ...
and
Torrentz
Torrentz was a Finland-based metasearch engine for BitTorrent, run by an individual known as Flippy, and founded on 24 July 2003. It indexed torrents from various major torrent websites, and offered compilations of various trackers per torrent ...
. The site later moved across several different domains, which the operators planned to do every six months, including ''ka.tt, kickass.to, kickass.so, kickasstorrents.im'' and ''kat.cr.''
In June 2016, KAT added an official
Tor
Tor, TOR or ToR may refer to:
Places
* Tor, Pallars, a village in Spain
* Tor, former name of Sloviansk, Ukraine, a city
* Mount Tor, Tasmania, Australia, an extinct volcano
* Tor Bay, Devon, England
* Tor River, Western New Guinea, Indonesia
Sc ...
network .onion address.
Blocking and censorship
KickassTorrents on its website claimed that it complied with the
DMCA
The Digital Millennium Copyright Act (DMCA) is a 1998 United States copyright law that implements two 1996 treaties of the World Intellectual Property Organization (WIPO). It criminalizes production and dissemination of technology, devices, or s ...
and it removed infringing torrents reported by content owners.
On February 28, 2013,
Internet service provider
An Internet service provider (ISP) is an organization that provides services for accessing, using, or participating in the Internet. ISPs can be organized in various forms, such as commercial, community-owned, non-profit, or otherwise private ...
s (ISPs) in the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
were ordered by the
High Court in London to block access to KickassTorrents, along with two other torrent sites. Judge
Richard Arnold ruled that the site's design contributed to
copyright infringement
Copyright infringement (at times referred to as piracy) is the use of works protected by copyright without permission for a usage where such permission is required, thereby infringing certain exclusive rights granted to the copyright holder, s ...
.
On 14 June, the domain name was changed to
Tonga
Tonga (, ; ), officially the Kingdom of Tonga ( to, Puleʻanga Fakatuʻi ʻo Tonga), is a Polynesian country and archipelago. The country has 171 islands – of which 45 are inhabited. Its total surface area is about , scattered over in ...
domain name kickass.to as a part of the site's regular domain change.
Later on 23 June, KAT was delisted from
Google
Google LLC () is an American multinational technology company focusing on search engine technology, online advertising, cloud computing, computer software, quantum computing, e-commerce, artificial intelligence, and consumer electronics. ...
at the
request of the
MPAA
The Motion Picture Association (MPA) is an American trade association representing the five major film studios of the United States, as well as the video streaming service Netflix. Founded in 1922 as the Motion Picture Producers and Distribu ...
. In late August 2013, KAT was blocked by
Belgian
Belgian may refer to:
* Something of, or related to, Belgium
* Belgians, people from Belgium or of Belgian descent
* Languages of Belgium, languages spoken in Belgium, such as Dutch, French, and German
*Ancient Belgian language, an extinct language ...
ISPs. In January 2014, several
Irish
Irish may refer to:
Common meanings
* Someone or something of, from, or related to:
** Ireland, an island situated off the north-western coast of continental Europe
***Éire, Irish language name for the isle
** Northern Ireland, a constituent unit ...
ISPs started blocking KAT, and in February,
Twitter
Twitter is an online social media and social networking service owned and operated by American company Twitter, Inc., on which users post and interact with 280-character-long messages known as "tweets". Registered users can post, like, and ...
started blocking links to KAT, although this was stopped after a few days. In June 2014, KAT was blocked in
Malaysia
Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
by the
Communications and Multimedia Commission for violating copyright law.
In December 2014, the site moved to the
Somalia
Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...
domain name kickass.so, reportedly as a result of site's regular domain change. On 9 February 2015, kickass.so was listed as "banned" on
Whois
WHOIS (pronounced as the phrase "who is") is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block or an autonomou ...
, causing the site to go offline. Later that day, the site reverted to its former domain name kickass.to. On 14 February 2015, it was found that messages mentioning "kickass.to" were blocked on
Steam
Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization ...
chat, but "kickass.so" and other popular torrent websites were not blocked, only flagged as "potentially malicious".
On 23 April 2015, the site moved to the
Isle of Man
)
, anthem = "O Land of Our Birth"
, image = Isle of Man by Sentinel-2.jpg
, image_map = Europe-Isle_of_Man.svg
, mapsize =
, map_alt = Location of the Isle of Man in Europe
, map_caption = Location of the Isle of Man (green)
in Europe ...
-based domain kickasstorrents.im but was quickly taken down later that day and on 24 April it was moved to the
Costa Rica
Costa Rica (, ; ; literally "Rich Coast"), officially the Republic of Costa Rica ( es, República de Costa Rica), is a country in the Central American region of North America, bordered by Nicaragua to the north, the Caribbean Sea to the no ...
based domain name kat.cr. By July 2015, the kat.cr address had been removed from
Google Search
Google Search (also known simply as Google) is a search engine provided by Google. Handling more than 3.5 billion searches per day, it has a 92% share of the global search engine market. It is also the most-visited website in the world.
The ...
's results. After the removal, the top Google search result for KAT in many locations pointed to a fake KAT site that prompted visitors to download
malware
Malware (a portmanteau for ''malicious software'') is any software intentionally designed to cause disruption to a computer, server, client, or computer network, leak private information, gain unauthorized access to information or systems, depri ...
.
In October 2015,
Portugal
Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...
bypassed its courts by making a voluntary agreement between ISPs, rightsholders and the Ministry of Culture to block access to KAT and most of the other popular BitTorrent websites. The website had similarly been banned in India for copyright violations during that period. At the same time,
Google Chrome
Google Chrome is a cross-platform web browser developed by Google. It was first released in 2008 for Microsoft Windows, built with free software components from Apple WebKit and Mozilla Firefox. Versions were later released for Linux, macOS ...
and
Mozilla Firefox
Mozilla Firefox, or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. It uses the Gecko rendering engine to display web pages, which implements current and a ...
blocked access to KAT because of security concerns with some of the ads pointing to malware. In April 2016, Google Chrome and Mozilla Firefox blocked KAT due to
phishing
Phishing is a type of social engineering where an attacker sends a fraudulent (e.g., spoofed, fake, or otherwise deceptive) message designed to trick a person into revealing sensitive information to the attacker or to deploy malicious softwar ...
concerns. Both blocks were later removed after KAT dealt with the concerns.
One of the main domains of the site went up for sale in August 2016.
Arrest of the alleged owner
On 20 July 2016, the
United States Department of Justice
The United States Department of Justice (DOJ), also known as the Justice Department, is a federal executive department of the United States government tasked with the enforcement of federal law and administration of justice in the United State ...
announced that it had seized the KAT.cr domain and had identified its alleged owner. Artem Vaulin (), a 30-year-old
Ukrainian
Ukrainian may refer to:
* Something of, from, or related to Ukraine
* Something relating to Ukrainians, an East Slavic people from Eastern Europe
* Something relating to demographics of Ukraine in terms of demography and population of Ukraine
* So ...
man known online as "tirm", was detained in Poland after being charged with a four-count U.S. criminal indictment. The remaining domains were taken offline voluntarily after the KAT.cr domain name was seized.
Following the seizure of the original KAT domain multiple unofficial mirrors have been put online. These have no connection to the original team who have been urging users to exercise caution. A number of these mirrors have since been taken down.
Vaulin was arrested after investigators cross-referenced an
IP address
An Internet Protocol address (IP address) is a numerical label such as that is connected to a computer network that uses the Internet Protocol for communication.. Updated by . An IP address serves two main functions: network interface ident ...
he used for an
iTunes
iTunes () is a software program that acts as a media player, media library, mobile device management utility, and the client app for the iTunes Store. Developed by Apple Inc., it is used to purchase, play, download, and organize digital mul ...
transaction with an IP address used to log into KAT's
Facebook
Facebook is an online social media and social networking service owned by American company Meta Platforms. Founded in 2004 by Mark Zuckerberg with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin M ...
page. The
FBI
The Federal Bureau of Investigation (FBI) is the domestic Intelligence agency, intelligence and Security agency, security service of the United States and its principal Federal law enforcement in the United States, federal law enforcement age ...
also posed as an advertiser and obtained details of a bank account associated with the site.
The investigation was led by special agent Jared Der-Yeghiayan, who also tracked down
Ross Ulbricht
Ross William Ulbricht (born March 27, 1984) is an American serving life imprisonment for creating and operating the darknet market website Silk Road from 2011 until his arrest in 2013. The site operated as a hidden service on the Tor network ...
, the operator of the online black market
Silk Road
The Silk Road () was a network of Eurasian trade routes active from the second century BCE until the mid-15th century. Spanning over 6,400 kilometers (4,000 miles), it played a central role in facilitating economic, cultural, political, and reli ...
.
The criminal complaint, filed in the
by
Homeland Security Investigations
The U.S. Immigration and Customs Enforcement (ICE) is a federal law enforcement agency under the U.S. Department of Homeland Security. ICE's stated mission is to protect the United States from the cross-border crime and illegal immigration tha ...
, said that it was in possession of full copies of KAT's hard drives, including its
email server
Within the Internet email system, a message transfer agent (MTA), or mail transfer agent, or mail relay is software that transfers electronic mail messages from one computer to another using SMTP. The terms mail server, mail exchanger, and MX host ...
. The investigation suggested that KAT made over $12 million per year in advertising revenue.
In late August 2016, the
Department of Justice
A justice ministry, ministry of justice, or department of justice is a ministry or other government agency in charge of the administration of justice. The ministry or department is often headed by a minister of justice (minister for justice in a v ...
followed the complaint with a full
grand jury
A grand jury is a jury—a group of citizens—empowered by law to conduct legal proceedings, investigate potential criminal conduct, and determine whether criminal charges should be brought. A grand jury may subpoena physical evidence or a pe ...
indictment
An indictment ( ) is a formal accusation that a legal person, person has committed a crime. In jurisdictions that use the concept of felony, felonies, the most serious criminal offence is a felony; jurisdictions that do not use the felonies concep ...
of Vaulin and two other defendants, Ievgen Kutsenko and Oleksandr Radostin; while Vaulin was still being held in Polish prison. Vaulin has both a Polish and US legal representation
Ira Rothken as his lawyers to handle the allegations. In November 2016, a Polish appeals court refused to allow
bail
Bail is a set of pre-trial restrictions that are imposed on a suspect to ensure that they will not hamper the judicial process. Bail is the conditional release of a defendant with the promise to appear in court when required.
In some countries ...
for Vaulin, stating the evidence provided by the US is sufficient to keep him in prison.
The case of Artem Vaulin prosecution was officially put on hold after Vaulin "disappeared" from Poland. His bail of $108,000 was
forfeited. His legal team was reported has withdrawn from the case after they lost contact with Vaulin.
Revival
In mid-December 2016, some of the former KAT staff and moderators launched a website with a similar appearance as the original under the domain katcr.co.
The site has been offline since July 2020.
References
{{Tor hidden services
Dark web
Defunct BitTorrent websites
Defunct Tor hidden services
Internet properties established in 2008
Internet properties disestablished in 2016
Internet services shut down by a legal challenge
Notorious markets
Internet censorship in India
Domain name seizures by United States