This triggers an on-demand OTP to be sent to the user’s mobile phone number or email address, depending on which delivery method the organization has in place. The process begins with a user first logging in to a system with his or her username. While on-demand OTPs are commonly used for first-time user logins and password resets, a large number of companies-especially in the financial industry-use SMS and email OTPs as an extra user verification step. This post focuses on on-demand delivery methods for OTPs, specifically short message service (SMS) and email. We recently took a closer look at the benefits and drawbacks of OTP soft token and hard token delivery methods. Organizations looking into OTP authentication options need to explore and understand which delivery method best meets their needs. There are multiple delivery methods for OTPs-each with its own advantages.

These randomly generated passwords are only valid for a single login session and overcome many of the vulnerabilities of traditional passwords.

One time passwords (OTPs) are a popular choice for organizations looking to step up their security with two-factor authentication (2FA).

Otp sms