While worms do not need another program to attach themselves to, viruses do. Piggybacking refers to the way that viruses infect or attach themselves to legitimate programs or documents to sneak onto your computer and attempt to infect it.
man-trap
Yes, it is illegal in some places.
Piggybacking, historically, meant to ride on one's back or shoulders. These days it is more apt to refer to gaining access to a restricted website or communications channel by using the session of another established user.
No, piggybacking on someone else's internet connection without permission is not legal in Orange County or anywhere else. It is considered a form of unauthorized access to a computer network, which is against the law.
Prescriptions are filled at a pharmacy.
ACK for the last received packet need not be sent as a new packet, but gets a free ride on the next outgoing data frame(using ACK field in the frame header). The technique is temporarily delaying outgoing ACKs, so that they can be hooked on the next outgoing data frame is called piggybacking. Piggybacking is one of the feature of TCP
Piggybacking
Dentists write prescriptions for pain medication and antibiotics. They would not write prescriptions for depression medication. They write prescriptions that deal with dental issues.
Forged Prescriptions was created in 2003.
This is typically done by piggybacking... this requires special, purpose-built equipment.
No, chiropractors are not licensed to practice medicine and cannot, therefore, write prescriptions.