This is what Jake has to do, letting go of his attachment to his physical body.
Sears's followers call this progression "attachment parenting" and it seems to have something to do with attachment.
When that attachment is opened, the trojan is unleashed, giving the adversary control of the unlucky computer, Raff said.
c.1400, "arrest of a person on judicial warrant" (mid-13c. in Anglo-Latin), from French attachement, from attacher (see attach). Application to property (including, later, wages) dates from 1590s; meaning "sympathy, devotion" is recorded from 1704; that of "something that is attached to something else" dates from 1797 and has become perhaps the most common use since the rise of e-mail.