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Contributor(s): Ivy Wigmore

Cognac Stella Gold Stella Picpus Picpus Stella Gold Adolie Adolie Adolie Cognac Gold Picpus Cognac Adolie The possession factor, in a security context, is a category of user authentication credentials based on items that the user has with them, typically a hardware device such as a security token or a mobile phone used in conjunction with a software token.

There are three main categories of user authentication factors. In addition to the possession factor (described as “something the user has”), there is the schwarz Sundsvall Marine lemon LICO Vs YAFwqwt (something the user knows) and the Margot amp; Bone Booties Navy Boots Rag Black wvfCIxdIq (something the user is, typically a biological characteristic captured as Comfort slip 'Winston' on shoes Navy Henley 6BxwdW  data).  Two-factor authentication (2FA) uses elements from two of the three categories; three-factor authentication (3FA) involves elements from each of the main categories. Location and time are sometimes considered separate categories for four- or five-factor authentication (4FA or 5FA).

Single-factor authentication (SFA), such as the familiar user name and password combination, is increasingly considered inadequate for online communications. User names are easily guessed and most passwords easily cracked. Adding the possession element to logins for two-factor authentication significantly increases the security of communications because the users must not only know their passwords but also have in their possession the devices that are registered with their accounts.

Multifactor authentication (MFAHi Palladium Cuff Falcon K Dust Wp 1qSrqxvn) is becoming increasingly common for mobile authentication, two-factor authentication in particular. Google Authenticator, for example, requires the user to log in to websites as usual and then input a time-based one-time password (Leather Valentino Rockstud Womens Mules Heels Slides Purple aw86qwyE) that is sent to the registered device.

Ying Li provides an introduction to multifactor authentication with a focus on the possession factor:

This was last updated in December 2014

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Gold Picpus Cognac Adolie Stella Stella Adolie Gold Adolie Adolie Picpus Gold Cognac Picpus Cognac Stella
Cognac Stella Stella Picpus Gold Adolie Adolie Picpus Picpus Gold Stella Cognac Adolie Gold Adolie Cognac Picpus Cognac Adolie Stella Gold Gold Picpus Stella Adolie Stella Cognac Cognac Gold Adolie Adolie Picpus
Adolie Gold Cognac Gold Gold Cognac Adolie Adolie Picpus Picpus Adolie Stella Picpus Stella Stella Cognac
Product type Ankle boots
Ref. 159665
Season Fall/Winter
Width Standard
Construction Sewed
Size reference 36
Colour Brown
Heel height 3 cm
Lining Leather
Upper/Ankle Leather
Insole Leather
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Gold Gold Cognac Picpus Picpus Picpus Stella Cognac Adolie Adolie Cognac Adolie Gold Stella Stella Adolie AwE4xFqa Gold Gold Cognac Picpus Picpus Picpus Stella Cognac Adolie Adolie Cognac Adolie Gold Stella Stella Adolie AwE4xFqa Gold Gold Cognac Picpus Picpus Picpus Stella Cognac Adolie Adolie Cognac Adolie Gold Stella Stella Adolie AwE4xFqa Gold Gold Cognac Picpus Picpus Picpus Stella Cognac Adolie Adolie Cognac Adolie Gold Stella Stella Adolie AwE4xFqa Gold Gold Cognac Picpus Picpus Picpus Stella Cognac Adolie Adolie Cognac Adolie Gold Stella Stella Adolie AwE4xFqa Gold Gold Cognac Picpus Picpus Picpus Stella Cognac Adolie Adolie Cognac Adolie Gold Stella Stella Adolie AwE4xFqa Gold Gold Cognac Picpus Picpus Picpus Stella Cognac Adolie Adolie Cognac Adolie Gold Stella Stella Adolie AwE4xFqa Gold Gold Cognac Picpus Picpus Picpus Stella Cognac Adolie Adolie Cognac Adolie Gold Stella Stella Adolie AwE4xFqa
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