The Hacker's Choice, also known as THC, is a non-commercial
group of international security researchers

Computer security

Computer security is a branch of computer technology known as information security as applied to computers and networks. The objective of computer security includes protection of information and property from theft, corruption, or natural disaster, while allowing the information and property to...

 and
hackers

Hacker (computer security)

In computer security and everyday language, a hacker is someone who breaks into computers and computer networks. Hackers may be motivated by a multitude of reasons, including profit, protest, or because of the challenge...

.

About

THC was founded in 1995 in Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 and has published over 70 software
releases and technical papers covering a wide range of network and system
security aspects.

In 2011 the group released a tool (thc-ssl-dos) which exploited a SSL

Transport Layer Security

Transport Layer Security and its predecessor, Secure Sockets Layer , are cryptographic protocols that provide communication security over the Internet...

 vulnerability. The tool allows an attacker with a regular Internet connection to DoS

Denial-of-service attack

A denial-of-service attack or distributed denial-of-service attack is an attempt to make a computer resource unavailable to its intended users...

 a more powerful webserver.

See also

TESO

TESO

TESO was a famous hacker group, which originated in Austria and quickly became international. It was active from 1998 to 2004, and during its peak around 2000, it was responsible for a significant share of the exploits on the bugtraq mailing list.- History :...

Phrack

Phrack

Phrack is an ezine written by and for hackers first published November 17, 1985. Described by Fyodor as "the best, and by far the longest running hacker zine," the magazine is open for contributions by anyone who desires to publish remarkable works or express original ideas on the topics of interest...

w00w00

W00w00

w00w00 is currently one of the largest non-profit security teams in the world with more than 30 active participants . w00w00 was created in 1998. Participants come from 5 continents, and 14 countries , as well as several U.S...

Biometric passport

Biometric passport

A biometric passport, also known as an e-passport or ePassport, is a combined paper and electronic passport that contains biometric information that can be used to authenticate the identity of travelers...

-- Biometric passport and its security
vulnerabilities as identified by THC