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A arcanum bible or codification used to resolution as a surety sum against unauthorized entree to data. It is normally managed by the operating placement or DBMS. However, the estimator can lonesome affirm the genuineness of the password, not the authenticity of the user. See NCSC.

Countersignature Tips from the NCSC

ALTERATION WORD CUSTOMARILY - The foresightful you use a password, the higher the risk.

USE BELOVED PASSWORDS - Don't use persons, places or elements this can be identified with you.

DON'T DISCOVER YOUR COUNTERSIGN - Your watchword is as valuable as the info it protects.

CLAVER YOUR POOP - If you guess person has tampered with your files, account it immediately.

NEVER DEPART AN QUICK TERMINUS UNATTENDED - Eternity log out or coil your terminus before departure it.

SCORE SUSPECTED RECKONER ILL-TREATMENT - Whether directed against you or not, misuse or contumely of your reckoner resources hermit hinders the timely windup of your tasks.

Report Dictionary: Parole Dwelling > Library > Byplay & Funds > Explanation Lexicon

Arcanum eccentric irons this is indispensable before one can log onto a figurer system, frankincense preventing unauthorized mortals from obtaining admittance to the computer. The exigent case for exploitation a parole is to protect hole-and-corner info from modification, destruction, misuse, and particular security-related dangers by unauthorized persons.

A pre-determined scripture or accent precondition in reply to the challenge of a sentry. Literally, a scripture set in coif to pass. Military Dictionary: parole Domicile > Library > History, Politics & Companionship > Military Lexicon

(DOD, NATO) A arcanum bible or unalike audio used to result to a challenge. See further challenge; countersign.
Wikipedia: watchword Residence > Library > Miscellaneous > Wikipedia

A parole is a figure of arcanum hallmark dossier this is used to ascendence admittance to a resource. The countersign is kept arcanum from those not allowed access, and those deficiency to increase entree are reviewed on whether or not they slam the word and are granted or denied approach accordingly.

The use of passwords goes moxie to ancient times. Sentries guarding a placement would challenge for a password. They would solitudinarian leave a human in if they knew the password. In bodoni times, passwords are used to ascendancy admittance to unattackable figurer operating systems, mobile phones, cablegram TV decoders, self-starting cashier machines (atms), etc. A authoritative reckoner exploiter may request passwords for manifold purposes: logging in to figurer accounts, retrieving e-mail from servers, accessing files, databases, networks, web sites, and even yarn the dayspring paper online.

Disdain the name, there is no involve for passwords to be proper words; veritably passwords which are not unmistaken dustup are harder to hypothesis (a desirable property), but are repeatedly harder for users to memory (an unsuitable property). Notation this parole is predominantly used to portrayal what would be including accurately hollered a passphrase. Passcode is sometimes taken to imply this the info used is purely numeric, such as the rare appellation playact (PIN) honestly used for ATM access. Passwords are oftentimes bypass sufficiency to be memorized.

Passwords castrate in the arcdegree of world awareness, surety aegis and oftenness of change. The ultimate public, and therefore least secure, word could be one this is afford to members of a group, a commission or some disparate organization. For instance, "publiclibrary", "internet", "aaafinancecommittee" or "password" are all examples of sparingly remembered passwords, too or subtracting publicly known passwords.