Persona que
se supone muerta y que ha sido reanimada por arte de brujería, con el fin de
dominar su voluntad.
DRAE. Diccionario
de la Lengua Española.
Es el nombre
que se da a los ordenadores que han sido infectados de manera remota por un
usuario malicioso con algún tipo de software que, al infiltrarse dentro del
propio ordenador manipulado y sin consentimiento del propio usuario, un tercero
puede hacer uso del mismo ejecutando actividades ilícitas a través de la Red.
Su uso más frecuente es el envío de comunicaciones electrónicas no deseadas,
así como la propagación de otros “virus informáticos”, conocidos así en el
lenguaje cotidiano, que constituyen uno de los grandes problemas de seguridad
informática.
http://www.inteco.es/glossary/Formacion/Glosario/
Un ordenador
generalmente infectado con un troyano de acceso remoto, capaz de recibir
órdenes externas, y de actuar, generalmente en actividades maliciosas, sin el
conocimiento de sus dueños.
http://www.alerta-antivirus.es/seguridad/ver_pag.html?tema=S
(I) /slang/ An Internet host
computer that has been surreptitiously penetrated by an intruder that installed
malicious daemon software to cause the host to operate as an accomplice in
attacking other hosts, particularly in distributed attacks that attempt denial
of service through flooding. [RFC4949:2007]
A program that is installed
on a system to cause it to attack other systems. [NIST-SP800-83:2005]
A computer attached to the
Internet that has been compromised by a security cracker, a computer virus, or
a trojan horse. Generally, a compromised machine is only one of many in a
"botnet", and will be used to perform malicious tasks of one sort or
another under remote direction. Most owners of zombie computers are unaware
that their system is being used in this way. Because the vector tends to be
unconscious, these computers are metaphorically compared to a zombie.
http://en.wikipedia.org/wiki/Zombie_computer
In the West Indies, a zombie
is a will-less, automaton-like person who is said to have been revived from the
dead and must now do the will of the living. There are at least three usages of
the term related to computers and the Internet.
1) In one form of denial of
service attack, a zombie is an insecure Web server on which malicious people
have placed code that, when triggered at the same time as other zombie servers,
will launch an overwhelming number of requests toward an attacked Web site,
which will soon be unable to service legitimate requests from its users. A
pulsing zombie is one that launches requests intermittently rather than all at
once.
A more recent use of zombies
is to use them as an army of unwitting spam purveyors.
2) On the World Wide Web, a
zombie is an abandoned and sadly out-of-date Web site that for some reason has
been moved to another Web address. It's a ghost site that appears to have
moved. Zombies contribute to linkrot.
3) In the Unix operating
system world, developers sometimes use the term to refer to a program process
that has died but hasn't yet given its process table entry back to the system.
http://searchsoftwarequality.techtarget.com/glossary/