They are designed to protect against some degree of surreptitious and forced entry.
These locks afforded little protection against forced and surreptitious entry.
One of the programmers had picked up on it and reported to Harrison four months after the surreptitious entry had been squelched.
The Shadow's plan was one of surreptitious entry, to be followed by keen observation.
There would be no surreptitious entry by simply climbing over the fence.
Part of the course consisted in the techniques of surreptitious entry.
Consequently, there is little discouragement to surreptitious entries and little pressure to return home.
"Recommended action is surreptitious entry by parachute or other silent aerial approach."
Hunt said that to "investigate this report, a surreptitious entry of Democratic national headquarters at the Watergate was made."
Liddy states that the proposal did provide for several "surreptitious entries" and for "electronic surveillance."