why is one-time password safe and how does it work?

Password safe
Written by signingnoel

By changing one-time passwords (OTPs) with each action, the dangers of conventional, static password-based security are mitigated. Two-factor authentication (2FA) may also be used in OTP systems to help authenticate the identity of the person by utilizing a second trusted source as an extra protective layer.

The major advantage of OTPs over unmanaged passwords is that, as opposed to unmanaged passwords, they are not susceptible to repeat assaults. In other words, an actor who receives an OTP that has been used during a lawful session will not be able to utilize the same since once it has been captured, it would no longer be usable for future sessions or acts. OTPs are usually randomly generated and not vulnerable to pattern-based or dictionary word password assaults. They are thus suitable for some of a company’s most sensitive and privileged operations.

OTP which is synced

Synchronization may become an issue with this approach. Dedicated devices, on the other hand, are extremely dependable to keep everything in sync. On the other hand, mobile phones receive their time from the frequently extremely precise cell phone network. If mobile phones fail, they may utilize that time to ultimately rectify themselves. Time zones may be an issue depending on how your telephone maintains the time and how the app is built, so remember. When traveling to another time zone, the clock on your telephone may be reset such that synchronization breaks down if the timings are not synchronized to a global time.

One minor benefit of locking time is that everyone knows what time it is (despite the song by Chicago). If your seed has been taken, hackers may still assume where you are; however, lockstep synchronization enables hackers to evaluate whether you’re in the sequence if your seed was stolen (depending on how he compromised the seed – if he obtained it from the server, he might have stolen state information as well). However, this is a small benefit. It should be acknowledged. If you have started the lock stage using password #1, you only have to attempt several keys to authenticate yourself. We shouldn’t have much hope for the future once the seed is manipulated.

what is an OTP password?

The user and the system in which the one-time password is used must be aware of the password in order to be effective. There are two ways to be sure about this:

Possible passwords list

The best method to utilize one-time passwords is to always have a password list on hand. This is an advanced list of passwords known to both the user and the system. If the user uses one single password, the user may simply delete the one-time password from the list.

This method’s drawback is obvious: if the password list is lost, unauthorized persons may have access to credentials. While these lists of one-time passwords are still used for online banking, a growing number of service providers are shifting away from static OTP passwords to dynamically generated ones for the reasons stated above.


The major benefit of single passwords (OTPs) and the main reason for their use is safety. As a single-use password is different with each login attempt, the chances of hacking a user’s account are substantially decreased, but not totally eliminated.

The phrase “one-time password” refers to a randomly generated sequence of characters that may be digitally devalued. Consumers may rest and trust when accessing their resources with one-time passwords that assist to minimise the risk of fraud in highly sensitive industry-related private information such as banking. The fact that it is randomly created removes the need for the user to remember this kind of password, which is still another benefit. The OTP is always supplied through a mobile application or physical token.


One of the major drawbacks of utilizing one-time passwords is that some users may find it difficult. More technologically unskilled consumers may find the OTP procedure complicated or superfluous, for example, and need to clarify all its benefits. Another option is to prevent a user from accessing the OTP. Some of the OTPs sent may take a long time or wind up in the spam bin. If the physical token of a user is lost, they can no longer access your OTP.

Many find one-time passwords irritating or unpleasant, even if they understand and appreciate the safety advantages of using them. As a consequence, some users opt to utilize single passwords on their cellphones to generate mobile apps. Although consumers are more likely to lose their key fob or token, their smartphone is almost assured.

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