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,Ak: Uusi sivu: '''Multi-factor authentication''' (''MFA'') on monesta tekijästä yhdistelty tunnistusmenetelmä jossa sen kaikkien osatekijöiden tulee onnistua tunnistushetkellä tai muuten tun...
'''Multi-factor authentication''' (''MFA'') on monesta tekijästä yhdistelty tunnistusmenetelmä jossa sen kaikkien osatekijöiden tulee onnistua tunnistushetkellä tai muuten tunnistus hylätään.
'''Turvallisuus''' perustuu kolmeen perustekijään<ref name='scheider-cornell-edu'>[https://www.cs.cornell.edu/courses/cs513/2005fa/nnlauthpeople.html cs.cornell.edu: Fred B. Schneider: Something You Know, Have, or Are] ''All approaches for human authentication rely on at least one of the following:
* '''Something you know''' (eg. a password). This is the most common kind of authentication used for humans. We use passwords every day to access our systems. Unfortunately, something that you know can become something you just forgot. And if you write it down, then other people might find it.
* '''Something you have''' (eg. a smart card). This form of human authentication removes the problem of forgetting something you know, but some object now must be with you any time you want to be authenticated. And such an object might be stolen and then becomes something the attacker has.
* '''Something you are''' (eg. a fingerprint). Base authentication on something intrinsic to the principal being authenticated. It's much harder to lose a fingerprint than a wallet. Unfortunately, biometric sensors are fairly expensive and (at present) not very accurate.'' Viitattu: 2015-07-07</ref>
* salaiseen tietoon (''something you know'')
* fyysiseen välineeseen (''something you have'')
* biometriaan (''something you are'')
== Lähteet ==
<references/>
== Aiheesta muualla ==
* [https://en.wikipedia.org/wiki/Multi-factor_authentication en.wikipedia.org - MFA]
'''Turvallisuus''' perustuu kolmeen perustekijään<ref name='scheider-cornell-edu'>[https://www.cs.cornell.edu/courses/cs513/2005fa/nnlauthpeople.html cs.cornell.edu: Fred B. Schneider: Something You Know, Have, or Are] ''All approaches for human authentication rely on at least one of the following:
* '''Something you know''' (eg. a password). This is the most common kind of authentication used for humans. We use passwords every day to access our systems. Unfortunately, something that you know can become something you just forgot. And if you write it down, then other people might find it.
* '''Something you have''' (eg. a smart card). This form of human authentication removes the problem of forgetting something you know, but some object now must be with you any time you want to be authenticated. And such an object might be stolen and then becomes something the attacker has.
* '''Something you are''' (eg. a fingerprint). Base authentication on something intrinsic to the principal being authenticated. It's much harder to lose a fingerprint than a wallet. Unfortunately, biometric sensors are fairly expensive and (at present) not very accurate.'' Viitattu: 2015-07-07</ref>
* salaiseen tietoon (''something you know'')
* fyysiseen välineeseen (''something you have'')
* biometriaan (''something you are'')
== Lähteet ==
<references/>
== Aiheesta muualla ==
* [https://en.wikipedia.org/wiki/Multi-factor_authentication en.wikipedia.org - MFA]
