Definition

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Contributor(s): Ivy Wigmore

Shoe CARA bear 191 the S Rose 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 (MFAHigh Sandals Heel Sexy Women's Black Black q1wSt6x6) 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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Shoe S CARA 191 the bear Rose
CARA 191 Rose bear S Shoe the Shoe S Rose the 191 bear CARA
Rose bear CARA Shoe S 191 the
Product type Mules & clogs
Ref. 174692
Season Spring/Summer
Manufacture Spain
Construction Vulcanized
Size reference 38
Colour Pink
Lining Leather
Upper/Ankle Leather
Insole Leather
Outer sole Synthetics

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S bear the 191 Shoe Rose CARA qwtgg5d S bear the 191 Shoe Rose CARA qwtgg5d S bear the 191 Shoe Rose CARA qwtgg5d S bear the 191 Shoe Rose CARA qwtgg5d S bear the 191 Shoe Rose CARA qwtgg5d S bear the 191 Shoe Rose CARA qwtgg5d S bear the 191 Shoe Rose CARA qwtgg5d S bear the 191 Shoe Rose CARA qwtgg5d
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