(computer security) A type of exploit where a victim’s session id is stolen, allowing the attacker to access a service the victim is logged into.

a form of unwanted software that modifies a web browser's settings without a user's permission, to inject unwanted advertising into the user's browser.

DNS hijacking, DNS poisoning, or DNS redirection is the practice of subverting the resolution of Domain Name System queries.

The (also known as the Max Headroom incident) a hijacking of the television signals of two stations in Chicago, Illinois, on November 22, 1987, that briefly sent a pirate broadcast of an unidentified person wearing a Max Headroom mask and costume to thousands of home viewers.

The Maersk Alabama hijacking began on 8 April 2009, when four pirates in the Somali Basin seized the Danish/U.S. cargo ship at a distance of southeast of Eyl, Somalia.

(also known as airplane hijacking, skyjacking, plane hijacking, plane jacking, air robbery, air piracy, or aircraft piracy, with the last term used within the special aircraft jurisdiction of the United States) the unlawful seizure of an aircraft by an individual or a group.

The Achille Lauro hijacking''' took place on 7 October 1985, when the Italian ocean liner was hijacked by four men representing the Palestine Liberation Front off the coast of Egypt, as she was sailing from Alexandria to Ashdod, Israel.