What does OTP mean?
One-time password (OTP) systems provide a mechanism for logging on to a network or service using a chất lượng password that can only be used once, as the name suggests.
The static password is the most common authentication method và the least secure. If "qwerty" is always your password, it"s time to lớn change. Bạn đang xem: It sucks when your otp is an absolute rare
Why is a one-time password safe?
The OTP feature prevents some forms of identity theft by making sure that a captured username/password pair cannot be used a second time.
Typically the user"s login name stays the same, & the one-time password changes with each login.
One-time passwords (aka One-time passcodes) are a form of strong authentication, providing much better protection lớn e
Banking, corporate networks, & other systems containing sensitive data.
Authentication answers the question: "Are you indeed Mr or Mrs/en/markets/digital-identity-and-security/banking-payment/digital-banking/passkeys-for-financial-institutions X?"
Today most enterprise networks, e-commerce sites, và online communities require only a username and static password for login & access khổng lồ personal và sensitive data.
OTP and TOTP vs static password
Although this authentication method is convenient, it is not secure because online identity theft – using phishing, keyboard logging, man-in-the-middle attacks, and other practices – is increasing worldwide.
Robust authentication systems address the limitations of static passwords by incorporating an additional security credential, such as a temporary one-time password (OTP), lớn protect network access & end-users" digital identities.
This feature adds extra protection & makes it more challenging khổng lồ access unauthorized information, networks, or online accounts.
Time-based One-Time Password (TOTP) changes after a phối period, such as 60 seconds.
In India, the m
Aadhaar app on your mobile phone allows you lớn generate a dynamic OTP instead of waiting for a one-time password to arrive. The app"s algorithm generates a dynamic OTP or TOTP. The 8-digit code is valid for 30 seconds.
It sounds simple, and it is.
Here is an example of OTP in online payment.
How are one-time passwords created?
One-time passwords can be generated in several ways, each with security, convenience, cost, & accuracy trade-offs.
Grid cards
Simple methods such as transaction number lists and grid cards can provide a set of one-time passwords.
These methods offer low investment costs but are slow, difficult lớn maintain, easy lớn replicate & share, và require the users to keep track of where they are in the danh mục of passwords.
Security tokens
A more convenient way for users is khổng lồ use an OTP token, a hardware device capable of generating one-time passwords.
There"s more.
Some of these devices are PIN-protected, offering an additional màn chơi of security.
The user enters the one-time password with other identity credentials (typically user name & password), & an authentication hệ thống validates the logon request.
Although this is a proven solution for enterprise applications, the deployment cost can make the solution expensive for consumer applications.
Because the token must be using the same method as the server, a separate token is required for each vps login, so users need a different token for each web site or network they use.
Smart cards & OTP
More advanced hardware tokens use microprocessor-based smart cards to calculate one-time passwords.
Smart cards have several advantages for strong authentication, including data storage capacity, processing power, portability, & ease of use.
They are inherently more secure than other OTP tokens because they generate a unique, non-reusable password for each authentication event, store personal data, và do not transmit confidential or private data over the network.
Display payment cards can even integrate an OTP generator for 2-factor authentication.
Public Key Infrastructure for OTP strong authentication
Smart cards can also include strong authentication capabilities such as PKI or Public Key Infrastructure certificates.
When used for PKI applications, the smart card device can provide core PKI services, including encryption, digital signature, and private key generation và storage.
Thales smart cards support OTP strong authentication in both Java™ & Microsoft .NET environments.
Multiple form factors & connectivity options are available so that end-users have the most appropriate device for their network access requirements.
All Thales OTP devices work with the same Strong Authentication Server & are supported with a standard phối of administrative tools.
Single-factor authentication (SFA)
Single-factor authentication is the traditional security process that requires a username and password before granting access to the user.
In May 2021, a raid by the ransomware group Darkside forced the shutdown of Colonial Pipeline"s network. This attack, which created shortages, pushed up gas prices & led lớn a wave of panic-buying, put a spotlight on weak password protection and ransomware"s potential to disable critical infrastructure.
Bloomberg (4 June 2021) reported that the company"s system was breached through a single leak password to an old VPN account used khổng lồ access the company"s servers remotely. The account did not use multifactor authentication. Hackers breached Colonial"s network using just one compromised username & password. According to Bloomberg, the user may have used the same password for different accounts, but it would be hard for investigators khổng lồ know precisely how it"s been obtained.
Two-factor authentication (2FA)
Stronger authentication can also be implemented with two-factor authentication (2FA) or multiple-factor authentication. In these cases, the user provides two (or more) different authentication factors.
Below is another example of 2 factor-authentication in banking.
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OTP SMS is a standard second-factor authentication method for banks.
At the ATM, you will need your thẻ (something you have) và a pin code (something you know).
In Singapore, Singpass uses Two-Factor Authentication (2FA) and end-to-end encryption of passwords to access the country"s e
Government services securely.
SMS OTP deprecated
The National Institute of Standards và Technology (NIST, US Department of Commerce) deprecated the use of SMS for 2FA as early as 2016.
The reason?
This authentication method shows vulnerabilities that could compromise passwords & codes.
In addition, the European Union Agency for Cybersecurity (ENISA) called for not using SMS-based one-time passwords.
As a result, businesses & public organizations should consider ways lớn deliver codes other than SMS.
The European PSD2 regulation requests stronger customer authentication for banks and financial institutions. As a result, OTP SMS is no longer a PSD2-compliant method.
OTP markets và key industry players
The OTP segment is part of a more global two-factor authentication market evaluated at $3,5B in 2018. It will reach $8,9B by 2024, as revealed by a Market Research future study.
The OTP market is estimated at $1,5B in 2018 and will reach $3,2B by 2024.
The major players in the two-factor authentication market include Thales, Fujitsu, Suprema, One
Span, NEC, Symantec, RSA, IDEMIA, HID, Entrust, & Google name a few.
The hardware OTP token authentication business is a small part of the OTP market.
However, according khổng lồ Research and Markets, its worldwide kích cỡ is expected to reach $403m by 2025.
Primary customers are enterprises, banking, finance, insurance and securities, government, healthcare, and gaming.
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