>2) a value or sequence of symbols used to encrypt or decrypt plain text.
key change - referring to a lock in which the combination can be changed through
the use of a special key or tool without disassembling the lock.


[ASIS PSPSG: 2007]
key control system - special cabinets, trays or enclosures that store keys in an
organized system, and protect them from unauthorized removal.
key event - the first occurrence in an accident that results in appreciable damage or
injury; the occurrence determining the time and place of an accident.
keyhole - the opening through which a non-cylinder key must pass to enter a lock.

[ASIS PSPSG: 2007]
keyhole lock - a lock which blocks the keyhole of a bit key lock.


[ASIS PSPSG: 2007]
keyhole plate - an escutcheon for a keyhole.





[ASIS PSPSG: 2007]
key-in-knob lockset - any lockset with a key operated cylinder in one or more
knobs.


[ASIS PSPSG: 2007]
key-in-lever lockset - any lockset with a key operated cylinder in one or more lever
handles.



[ASIS PSPSG: 2007]
key over-ride - a feature that allows an electrically operated lock to be released or
engaged with a hand-operated key.
ASIS InternationalInformation Resources Center Last revised/updated 19 December 2007 INTERNATIONAL GLOSSARY OF SECURITY TERMS [online]
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key run - a patrol route having key stations. A security officer follows the route and
uses the key at each station to record the check-in time.
key station - a place along a route followed by a security or fire patrol officer. The
station has a key which when inserted into the watchman's clock carried by the
officer will record the check-in time.
key system - any of a variety of systems that provide control and accounting of
mechanical keys that unlock doors. Typically in a large building or group of buildings;
any system or program for controlling the keys and/or locking hardware of a facility.
Control usually includes conducting initial and periodic inventories of existing keys,
maintaining indexes or records that reflect persons holding keys, and maintaining a
limited-access key storage facility.
keyed-alike cylinders - lock cylinders designed to be operated by the same key, but
are not master-keyed cylinders.
keyed-different cylinders - cylinders requiring different keys for their operation.
keyless lock - a digital or push button mechanical lock that does not require a key
or access card to operate.
keyless system - an access system that uses a keypad and an electric door strike.
Pressing the correct sequential combination of push buttons on the keypad releases
the lock to allow entry.
keyswitch - a switch that can only be operated with a key. Also called a lockswitch.
keypad - an arrangement of finger-touch buttons on a wall plate or similar mounting
device. Pressing the buttons in a pre-designated sequence will transmit electronic
signals to achieve a security purpose, such as to turn an alarm system on or off. In
computer usage, it is the small set of keys next to the main keys on the keyboard of a
terminal..
keyway ward - a ward which prevents entry of an incorrect key into a cylinder or
lock.










[ASIS PSPSG: 2007]
kickback - money or something of value given to an employee by a vendor or
contractor in exchange for a consideration. Also, money paid by an employee to a
supervisor or third party in exchange for continued employment.
kick plate - a protective plate mounted on the bottom of a door to prevent damage or
minimize
damage
to
the
door.



[ASIS PSPSG: 2007]
kidnapping - unlawful transportation of a person without his consent, or without the
consent of his guardian, if a minor.
ASIS InternationalInformation Resources Center Last revised/updated 19 December 2007 INTERNATIONAL GLOSSARY OF SECURITY TERMS [online]
K-3
kidnapping coverage - insurance against the hazard of a person being kidnapped.
For example, a business may obtain such coverage to protect against the loss
consequences of an employee being seized outside the insured premises and forced
to open the premises or a safe therein or to give information which will enable the
criminal to do so.
kidnap-ransom insurance - insurance written usually for major corporations that are
likely targets of kidnap-ransom crimes. The insurance generally covers named
employees for individual or aggregate amounts paid as ransom, with deductibles
requiring the insured to participate in a percentage of any loss.
kinesics - the interpretation of body language and nonverbal signals present in
behavioral patterns.

kiosk - a protective housing or shield; 2) a small booth used as a shelter for security
guards; 3)a teller or cashier enclosure.
kiss-off tone - a tone generated by a digital receiver telling a digital communicator
that the emergency signal has been received. After the kiss-off, the communicator
restores the telephone line for standard voice communications.
kite scheme - a fraud where a criminal deposits money in a number of banks and
then writes checks that exceed the total amount on deposit. The time required to
transfer the cancelled checks affords the criminal an opportunity to substantially
overdraw.
klaxon - a bell which emits a sound similar to a submarines signal to dive.
kleptomania - an irresistible propensity to steal.
known solution peak of tension test - a test containing one relevant (hidden key)
question pertaining to a known fact about which the examinee has denied
knowledge. The relevant question is placed near the center of a group of similar but
unrelated, non-relevant questions. The polygraphist compares the examinee's
recorded reactions to both the relevant question and the non-relevant questions. The
subject's response to the relevant or hidden key question may appear as a peak of
tension in the polygrams.
known specimen - an article or material the origin of which is known. It is used as a
standard of comparison with a comparable article or material of questionable origin.
The character of the known specimen is determined by the circumstances of the
investigation.
knuckling - selvage obtained on a chain link fence by interlocking adjacent pairs of
wire ends and bending the ends back into a closed loop.
kymograph - a component of the polygraph instrument which moves the polygram
(chart paper) beneath and in contact with inked pens at a set rate of speed.
ASIS InternationalInformation Resources Center Last revised/updated 19 December 2007 INTERNATIONAL GLOSSARY OF SECURITY TERMS [online]
K-4


REFERENCE NOTE








The definitions source is cited in brackets [ ] following the definition. For example, an
ASIS Guideline is cited as [ASIS GDL PDS: 2006] and the PSP Study Guide as
[ASIS PSPSG: 2007].

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ASIS InternationalInformation Resources Center Last revised/updated 19 December 2007