W0x80 is a hacker interviewed by Brian Krebs of The Washington Post about his lucrative business in running "botnets", or networks of remotely controlled personal computers without the owner's consent. The article in the 2006 February Washington Post detailed 0x80's earnings of around $6,800 a month infecting controlled personal computers with adware and spyware in exchange for a per-computer commission.
WDeniss Čalovskis is a Latvian computer hacker. He is the creator of the Gozi virus. Calovskis is a certified Data Protection Officer (DPO).
WBernd Fix is a German hacker and computer security expert.
WKris Kaspersky was a Russian hacker, writer and IT security researcher.
WAdrián Alfonso Lamo Atwood was an American threat analyst and hacker. Lamo first gained media attention for breaking into several high-profile computer networks, including those of The New York Times, Yahoo!, and Microsoft, culminating in his 2003 arrest.
WGary McKinnon is a Scottish systems administrator and hacker who was accused in 2002 of perpetrating the "biggest military computer hack of all time," although McKinnon himself states that he was merely looking for evidence of free energy suppression and a cover-up of UFO activity and other technologies potentially useful to the public. On 16 October 2012, after a series of legal proceedings in Britain, Home Secretary Theresa May blocked extradition to the United States.
WJudith [Jude] Milhon, in Washington D.C., best known by her pseudonym St. Jude, was a self-taught programmer, civil rights advocate, writer, editor, advocate for women in computing hacker and author in the San Francisco Bay Area.
WKevin David Mitnick is an American computer security consultant, author, and convicted hacker. He is best known for his high-profile 1995 arrest and five years in prison for various computer and communications-related crimes.
WJeff Moss, also known as Dark Tangent, is an American hacker, computer and internet security expert who founded the Black Hat and DEF CON computer security conferences.
WAndy Müller-Maguhn is a member of the German hacker association Chaos Computer Club (CCC). Having been a member since 1986, he was appointed as a spokesman for the club in 1990, and later served on its board until 2012.
WOperation Nigeria or by the abbreviation OpNigeria is a group created by members of Anonymous. The members include LiteMods, LorianSynaro, YounesAnonymous and WhiteRabbitGang. Operation Nigeria in 2020 supports the EndSARS movement that is going on in Nigeria. The group has hacked multiple Nigerian government websites and banks as well.
WDenis Periša is a political activist, whistle blower and computer hacker from Šibenik, Croatia. He was convicted and criminally charged in September 1999. He was forbidden to use computer systems or internet for hacking e-mail of politician Veselin Pejnović and planting backdoor to his network. He founded the computer security website Jezgra.org in 1997 that is still active today. Founder of ŠI-WIFI wireless organization for his town in late 2005. Denis also claims himself to be a DJ, photographer and recently a writer of the book called "My first suicide", which has yet to be released.
WIlmārs Poikāns is a Latvian AI researcher at the Institute of Mathematics and Computer Science at the University of Latvia. He has used the pseudonym Neo, and is also known in the press as Latvia's "Robin Hood".
WEric Steven Raymond, often referred to as ESR, is an American software developer, open-source software advocate, and author of the 1997 essay and 1999 book The Cathedral and the Bazaar. He wrote a guidebook for the Roguelike game NetHack. In the 1990s, he edited and updated the Jargon File, currently in print as The New Hacker's Dictionary.
WMaksim Viktorovich Yakubets is a Russian national and a computer expert. He is alleged to have been a member of the Jabber Zeus Crew, as well as the alleged leader of the Bugat malware conspiracy.