Michael Calce (born 1984, also known as Mafiaboy) is a security expert and former computer hacker from
ÃŽle Bizard
ÃŽle Bizard () is an island near the Island of Montreal in the Hochelaga Archipelago region. It is one of the three populated islands within the city of Montreal, along with the Island of Montreal and Nuns' Island (ÃŽle des Soeurs). The islan ...
,
Quebec
Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...
, who launched a series of highly publicized
denial-of-service attack
In computing, a denial-of-service attack (DoS attack) is a cyberattack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host co ...
s in February 2000 against large commercial websites, including
Yahoo!
Yahoo (, styled yahoo''!'' in its logo) is an American web portal that provides the search engine Yahoo Search and related services including My Yahoo, Yahoo Mail, Yahoo News, Yahoo Finance, Yahoo Sports, y!entertainment, yahoo!life, and its a ...
,
Fifa.com,
Amazon.com
Amazon.com, Inc., doing business as Amazon, is an American multinational technology company engaged in e-commerce, cloud computing, online advertising, digital streaming, and artificial intelligence. Founded in 1994 by Jeff Bezos in Bellevu ...
,
Dell, Inc.,
E*TRADE
E*TRADE is an investment brokerage and electronic trading platform that operates as a subsidiary of Morgan Stanley.
History
In 1982, physicist William A. Porter and Bernard A. Newcomb founded TradePlus in Palo Alto, California, with $15,00 ...
,
eBay
eBay Inc. ( , often stylized as ebay) is an American multinational e-commerce company based in San Jose, California, that allows users to buy or view items via retail sales through online marketplaces and websites in 190 markets worldwide. ...
, and
CNN
Cable News Network (CNN) is a multinational news organization operating, most notably, a website and a TV channel headquartered in Atlanta. Founded in 1980 by American media proprietor Ted Turner and Reese Schonfeld as a 24-hour cable ne ...
.
He also launched a series of failed simultaneous attacks against nine of the thirteen
root name server
A root name server is a name server for the root zone of the Domain Name System (DNS) of the Internet. It directly answers requests for records in the root zone and answers other requests by returning a list of the authoritative name servers for ...
s.
Early life
Calce was born in the
West Island
The West Island (, ) is the unofficial name given to the city, towns and boroughs at the western end of the Island of Montreal, in Quebec, Canada. It is generally considered to consist of the Lakeshore municipalities of Lachine (specific ...
area of
Montreal
Montreal is the List of towns in Quebec, largest city in the Provinces and territories of Canada, province of Quebec, the List of the largest municipalities in Canada by population, second-largest in Canada, and the List of North American cit ...
,
Quebec, Canada
Quebec is Canada's largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, New Brunswick to the southeast and a coastal border ...
. When he was five, his parents separated and he lived with his mother after she had won a lengthy battle for primary custody.
[Calce, Michael. Mafiaboy: How I Cracked the Internet and Why It's Still Broken. Toronto: Penguin Group, 2008.] Every second weekend he would stay at his father's condo in
Montreal
Montreal is the List of towns in Quebec, largest city in the Provinces and territories of Canada, province of Quebec, the List of the largest municipalities in Canada by population, second-largest in Canada, and the List of North American cit ...
proper. He felt isolated from his friends back home and troubled by the separation of his parents, so his father purchased him his own computer at the age of six. It instantly had a hold on him: "I can remember sitting and listening to it beep, gurgle and churn as it processed commands. I remember how the screen lit up in front of my face. There was something intoxicating about the idea of dictating everything the computer did, down to the smallest of functions. The computer gave me, a six-year-old, a sense of control and command. Nothing else in my world operated that way."
Project Rivolta
On February 7, 2000, Calce targeted
Yahoo!
Yahoo (, styled yahoo''!'' in its logo) is an American web portal that provides the search engine Yahoo Search and related services including My Yahoo, Yahoo Mail, Yahoo News, Yahoo Finance, Yahoo Sports, y!entertainment, yahoo!life, and its a ...
with a project he named Rivolta, meaning "rebellion" in
Italian
Italian(s) may refer to:
* Anything of, from, or related to the people of Italy over the centuries
** Italians, a Romance ethnic group related to or simply a citizen of the Italian Republic or Italian Kingdom
** Italian language, a Romance languag ...
.
Rivolta was a
DDoS
In computing, a denial-of-service attack (DoS attack) is a cyberattack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host co ...
(distributed-denial-of-service) attack in which servers become overloaded with different types of communications to the point where they become unresponsive to commands.
[Majid, Yar. Cybercrime and Society. Thousand Oaks: Sage Publications, 2006.] At the time,
Yahoo!
Yahoo (, styled yahoo''!'' in its logo) is an American web portal that provides the search engine Yahoo Search and related services including My Yahoo, Yahoo Mail, Yahoo News, Yahoo Finance, Yahoo Sports, y!entertainment, yahoo!life, and its a ...
was a multibillion-dollar web company and the top
search engine
A search engine is a software system that provides hyperlinks to web pages, and other relevant information on World Wide Web, the Web in response to a user's web query, query. The user enters a query in a web browser or a mobile app, and the sea ...
.
[Davis, Wall. Crime and the Internet. New York: Routledge, 2001.] Mafiaboy's Rivolta managed to shut down
Yahoo!
Yahoo (, styled yahoo''!'' in its logo) is an American web portal that provides the search engine Yahoo Search and related services including My Yahoo, Yahoo Mail, Yahoo News, Yahoo Finance, Yahoo Sports, y!entertainment, yahoo!life, and its a ...
for almost an hour. Calce's goal was, according to him, to establish dominance for himself and TNT, his cybergroup, in the cyberworld.
Buy.com was targeted in a similar attack afterwards that has been attributed to Calce. Calce claims he was not responsible and that a different hacker performed the DDoS as a challenge to coax him into targeting other websites.
Calce responded to this in turn by bringing down
eBay
eBay Inc. ( , often stylized as ebay) is an American multinational e-commerce company based in San Jose, California, that allows users to buy or view items via retail sales through online marketplaces and websites in 190 markets worldwide. ...
,
CNN
Cable News Network (CNN) is a multinational news organization operating, most notably, a website and a TV channel headquartered in Atlanta. Founded in 1980 by American media proprietor Ted Turner and Reese Schonfeld as a 24-hour cable ne ...
,
Amazon
Amazon most often refers to:
* Amazon River, in South America
* Amazon rainforest, a rainforest covering most of the Amazon basin
* Amazon (company), an American multinational technology company
* Amazons, a tribe of female warriors in Greek myth ...
, and
Dell
Dell Inc. is an American technology company that develops, sells, repairs, and supports personal computers (PCs), Server (computing), servers, data storage devices, network switches, software, computer peripherals including printers and webcam ...
via
DDoS
In computing, a denial-of-service attack (DoS attack) is a cyberattack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host co ...
over the next week.
In a 2011 interview,
/ref> Calce claimed that the attacks had been launched unwittingly, after inputting known addresses in a security tool he had downloaded from a repository on the now defunct file-sharing platform Hotline, developed by Hotline Communications. Calce left for school, forgetting the application which continued the attacks during most of the day. Upon coming home Calce says that he found his computer crashed, and restarted it unaware of what had gone on during the day. Calce claimed that when he overheard the news and recognized the companies mentioned being those he had inputted earlier in the day, he "started to understand what might have happened".
Aftermath
The U.S. Federal Bureau of Investigation
The Federal Bureau of Investigation (FBI) is the domestic Intelligence agency, intelligence and Security agency, security service of the United States and Federal law enforcement in the United States, its principal federal law enforcement ag ...
and the Royal Canadian Mounted Police
The Royal Canadian Mounted Police (RCMP; , GRC) is the Law enforcement in Canada, national police service of Canada. The RCMP is an agency of the Government of Canada; it also provides police services under contract to 11 Provinces and terri ...
first noticed Calce when he started claiming in IRC
IRC (Internet Relay Chat) is a text-based chat system for instant messaging. IRC is designed for group communication in discussion forums, called '' channels'', but also allows one-on-one communication via private messages as well as chat ...
chatrooms that he was responsible for the attacks. He became the chief suspect when he claimed to have brought down Dell's website, an attack that had not been publicized at that time. Information on the source of the attacks was initially discovered and reported to the press by Michael Lyle, chief technology officer of Recourse Technologies. Australian News Anchor Sandra Sully reported that it was apparently an Australian coder that initiated the sting performed in the IRC channel. Unreported using the nickname Ocker.
Calce initially denied responsibility but later pleaded guilty to over 50 charges brought against him. His lawyer insisted the child had only run unsupervised tests to help design an improved firewall
Firewall may refer to:
* Firewall (computing), a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts
* Firewall (construction), a barrier inside a building, designed to limit the spre ...
, whereas trial records indicated the youth showed no remorse and had expressed a desire to move to Italy
Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
for its lax computer crime
Cybercrime encompasses a wide range of criminal activities that are carried out using digital devices and/or networks. It has been variously defined as "a crime committed on a computer network, especially the Internet"; Cybercriminals may exp ...
laws. The Montreal Youth Court sentenced him on September 12, 2001 to eight months of "open custody," one year of probation, restricted use of the Internet, and a small fine.
Matthew Kovar, a senior analyst at the market research firm Yankee Group
Yankee Group was an independent technology research and consulting firm, founded in 1970 by Howard Anderson. The firm "was one of the analyst industry’s most prestigious boutiques through the dot.com boom, with 70 analysts on the payroll in 2006 ...
, generated some publicity when he told reporters the attacks caused US$1.2 billion in global economic damages. Media outlets would later attribute a then-1.45:1 conversion value of 1.7 billion CAD
Computer-aided design (CAD) is the use of computers (or ) to aid in the creation, modification, analysis, or optimization of a design. This software is used to increase the productivity of the designer, improve the quality of design, improve c ...
to the Royal Canadian Mounted Police
The Royal Canadian Mounted Police (RCMP; , GRC) is the Law enforcement in Canada, national police service of Canada. The RCMP is an agency of the Government of Canada; it also provides police services under contract to 11 Provinces and terri ...
. Computer security experts now often cite the larger figure (sometimes incorrectly declaring it in U.S. dollars), but a published report says the trial prosecutor gave the court a figure of roughly $7.5 million.
Significance
While testifying at a hearing before members of the United States Congress
The United States Congress is the legislature, legislative branch of the federal government of the United States. It is a Bicameralism, bicameral legislature, including a Lower house, lower body, the United States House of Representatives, ...
, computer expert Winn Schwartau said that "Government and commercial computer systems are so poorly protected today they can essentially be considered defenseless - an Electronic Pearl Harbor waiting to happen." The fact that the largest website in the world could be rendered inaccessible by a 15-year-old created widespread concern. By this time, the internet had already become an integral part of the North American economy. Consumers lost confidence in online business and the American economy
The United States has a highly developed mixed economy. It is the world's largest economy by nominal GDP and second largest by purchasing power parity (PPP). As of 2025, it has the world's seventh highest nominal GDP per capita and ninth ...
suffered a minor blow as a result. Former CIA
The Central Intelligence Agency (CIA; ) is a civilian foreign intelligence service of the federal government of the United States tasked with advancing national security through collecting and analyzing intelligence from around the world and ...
agent Craig Guent credits Mafiaboy for the significant increase in online security that took place over the decade.
Later years
During the latter half of 2005, he wrote a column on computer security topics for ''Le Journal de Montréal
is a daily French-language tabloid newspaper published in Montreal, Quebec, Canada. It has the largest circulation of any newspaper in Quebec and is also the largest French-language daily newspaper in North America. Established by Pierre Pé ...
''.
In late 2008, with journalist Craig Silverman, Calce announced he was writing a book, ''Mafiaboy: How I Cracked the Internet and Why It's Still Broken''.
On October 26, 2008, he appeared on the television program '' Tout le monde en parle'' to discuss his book. The book received generally positive reviews.
Calce appeared on a TV show, ''Last Call with Carson Daly
''Last Call with Carson Daly'' is an American late-night television series that was broadcast by NBC from 2002 to 2019. Hosted by former MTV personality Carson Daly, the series was initially formatted as a late-night talk show in line with '' ...
'', talking about his days as a hacker, how President Clinton became involved, and how it ultimately landed him in jail all at age 15.
In 2014, Calce appeared on the twelfth episode of the Criminal podcast.
References
{{DEFAULTSORT:Calce, Michael
1984 births
21st-century Canadian criminals
Cybercriminals
Hackers
Canadian male criminals
Criminals from Montreal
Living people
People from L'Île-Bizard–Sainte-Geneviève