One-time Passwords; Single Sign-on and Secure Sign-on (with two-factor authentication); Instant Registration; SAASPASS Authenticator 2-step verification. Gmail and two-step authentication. 2 Antworten; 8 haben dieses Problem; Aufrufe; Letzte Antwort. Secure your website with Wordfence Login Security, providing two-factor authentication, login and registration CAPTCHA, and Wordfence + aktive.
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Some apps like the mail apps on some phones or devices like the Xbox can't use regular security codes. App passwords are only available if you use two-step verification.
If you don't have two-step verification turned on, you won't see the App passwords section on the Additional security options page.
How to use two-step verification with your Microsoft account Microsoft account More Need more help? Join the discussion.
Was this information helpful? Yes No. Any other feedback? The more you tell us, the more we can help. Home Features Help. Why you need it How it works How it protects you.
Why you need it It's easier than you think for someone to steal your password. It's easier than you think for someone to steal your password Any of these common actions could put you at risk of having your password stolen: Using the same password on more than one site Downloading software from the Internet Clicking on links in email messages 2-Step Verification can help keep bad guys out, even if they have your password.
Imagine losing access to your account and everything in it When a bad guy steals your password, they could lock you out of your account, and then do some of the following: Go through — or even delete — all of your emails, contacts, photos, etc.
Pretend to be you and send unwanted or harmful emails to your contacts Use your account to reset the passwords for your other accounts banking, shopping, etc.
Join millions of others who have made their accounts stronger with 2-Step Verification Get Started See how it works.
Signing in to your account will work a little differently. Signing in to your account will work a little differently 1 You'll enter your password Whenever you sign in to Google, you'll enter your password as usual.
Keep sign-in simple During sign-in, you can choose not to use 2-Step Verification again on that particular computer.
Join millions of others who have made their accounts stronger with 2-Step Verification Get Started See how it protects you.
Two other examples are to supplement a user-controlled password with a one-time password OTP or code generated or received by an authenticator e.
A third-party authenticator app enables two-factor authentication in a different way, usually by showing a randomly-generated and constantly refreshing code which the user can use, rather than sending an SMS or using another method.
A big benefit of these apps is that they usually continue to work even without an internet connection. Examples of third-party authenticator apps include Google Authenticator , Authy and Microsoft Authenticator ; some password managers such as LastPass offer the service as well.
An example of a second step in two-step verification or authentication is the user repeating back something that was sent to them through an out-of-band mechanism such as a code sent over SMS , or a number generated by an app that is common to the user and the authentication system.
Knowledge factors are the most commonly used form of authentication. In this form, the user is required to prove knowledge of a secret in order to authenticate.
A password is a secret word or string of characters that is used for user authentication. This is the most commonly used mechanism of authentication.
Many multi-factor authentication techniques rely on password as one factor of authentication. Variations include both longer ones formed from multiple words a passphrase and the shorter, purely numeric, personal identification number PIN commonly used for ATM access.
Traditionally, passwords are expected to be memorized. Many secret questions such as "Where were you born? Possession factors "something only the user has" have been used for authentication for centuries, in the form of a key to a lock.
The basic principle is that the key embodies a secret which is shared between the lock and the key, and the same principle underlies possession factor authentication in computer systems.
A security token is an example of a possession factor. Disconnected tokens have no connections to the client computer. They typically use a built-in screen to display the generated authentication data, which is manually typed in by the user.
This type of token mostly use a "one-time password" that can only be used for that specific session. Connected tokens are devices that are physically connected to the computer to be used.
Those devices transmit data automatically. A software token a. Software tokens are stored on a general-purpose electronic device such as a desktop computer , laptop , PDA , or mobile phone and can be duplicated.
Contrast hardware tokens , where the credentials are stored on a dedicated hardware device and therefore cannot be duplicated, absent physical invasion of the device.
A soft token may not be a device the user interacts with. Typically an X. These are factors associated with the user, and are usually biometric methods, including fingerprint , face , voice , or iris recognition.
Behavioral biometrics such as keystroke dynamics can also be used. Increasingly, a fourth factor is coming into play involving the physical location of the user.
While hard wired to the corporate network, a user could be allowed to login using only a pin code while off the network entering a code from a soft token as well could be required.
This could be seen as an acceptable standard where access into the office is controlled. Systems for network admission control work in similar ways where your level of network access can be contingent on the specific network your device is connected to, such as wifi vs wired connectivity.
This also allows a user to move between offices and dynamically receive the same level of network access in each. Many multi-factor authentication vendors offer mobile phone-based authentication.
Some methods include push-based authentication, QR code based authentication, one-time password authentication event-based and time-based , and SMS-based verification.
SMS-based verification suffers from some security concerns. Phones can be cloned, apps can run on several phones and cell-phone maintenance personnel can read SMS texts.
Not least, cell phones can be compromised in general, meaning the phone is no longer something only the user has.
The major drawback of authentication including something the user possesses is that the user must carry around the physical token the USB stick, the bank card, the key or similar , practically at all times.
Loss and theft are risks. Many organizations forbid carrying USB and electronic devices in or out of premises owing to malware and data theft-risks, and most important machines do not have USB ports for the same reason.
Physical tokens usually do not scale, typically requiring a new token for each new account and system. Procuring and subsequently replacing tokens of this kind involves costs.
In addition, there are inherent conflicts and unavoidable trade-offs between usability and security.
Two-step authentication involving mobile phones and smartphones provides an alternative to dedicated physical devices.
To authenticate, people can use their personal access codes to the device i. The passcode can be sent to their mobile device  by SMS or can be generated by a one-time passcode-generator app.
In both cases, the advantage of using a mobile phone is that there is no need for an additional dedicated token, as users tend to carry their mobile devices around at all times.
As of [update] , SMS is the most broadly-adopted multi-factor authentication method for consumer-facing accounts. In and respectively, both Google and Apple started offering user two-step authentication with push notification [ clarification needed ] as an alternative method.
Security of mobile-delivered security tokens fully depends on the mobile operator's operational security and can be easily breached by wiretapping or SIM cloning by national security agencies.
Advances in research of two-factor authentication for mobile devices consider different methods in which a second factor can be implemented while not posing a hindrance to the user.
For example, by recording the ambient noise of the user's location from a mobile device and comparing it with the recording of the ambient noise from the computer in the same room in which the user is trying to authenticate, one is able to have an effective second factor of authentication.
The second Payment Services Directive requires " strong customer authentication " on most electronic payments in the European Economic Area since September 14, In India, the Reserve Bank of India mandated two-factor authentication for all online transactions made using a debit or credit card using either a password or a one-time password sent over SMS.