Piggybacking (security)

[2] The act may be legal or illegal, authorized or unauthorized, depending on the circumstances.

[3] Piggybacking came to the public's attention particularly in 1999, when a series of weaknesses were exposed in airport security.

A study showed that the majority of undercover agents attempting to pass through checkpoints, bring banned items on planes, or board planes without tickets were successful.

Piggybacking was revealed as one of the methods that were used in order to enter off-limits areas.

These may include: Piggybacking can be regarded as one of the simpler forms of social engineering.