In cybersecurity, authentication is crucial for guarding sensitive information against those who would use it for ill gains. Traditionally, passwords have been the primary means of authentication. However, as cyber threats become increasingly sophisticated, the limitations of password-based systems have become apparent.
To address these challenges, many organizations are transitioning to passwordless authentication methods. These innovative systems offer enhanced security and user experience by eliminating the need for passwords.
Authentication in the context of cybersecurity is the process of ensuring that the entity attempting to access sensitive information (banking information, identity documentation, government information, medical documents, etc.) is both an entity that is properly permitted to access it and is the entity that they are claiming to represent. To put it more simply, authentication is a service’s method of making sure that only the right people – people you specify – get to see your data.
The most classic form of authentication online is a password. Passwords are specific phrases or strings of symbols that act as a sort of key for the “lock” protecting your information. Users enter an account identifier – usually a name, email, or username – and a password into the verification screen. The service compares what was entered to what is on file as valid for this information and, if they match, grants access. It’s a relatively straightforward system.
Because of its simplicity, however, password authentication systems are insecure in the modern world. Simple programs like keyloggers and common scams like phishing gather information quickly and can make it easy for cybercriminals to access your information. Beyond this, there are thousands of password databank breaches annually that can mean your information is exposed even if you yourself are extremely careful with it. Passwords are easy to misplace, forget, or input incorrectly, meaning that lots of time needs to be spent recovering password-protected accounts, which is both frustrating and time-wasting.
To combat this, many companies are now switching to passwordless authentication systems. As the name implies, a passwordless authentication system uses alternative methods to verify a user’s identity, not requiring a specific password at all. This eliminates the need for a password databank and can be easier to encrypt for security. It also means that keyloggers are rendered useless and spoofing for a phishing scam is harder to do.
Of course, there are methods of bolstering password authentication. This usually involves establishing multi-factor authentication with additional layers like reCAPTCHA. ReCAPTCHA is Google’s authentication system based on the CAPTCHA method; users input the digits or letters presented to them in a slightly distorted photo that many image identification bots struggle to read. In newer versions of reCAPTCHA, users must select a particular object from a grid system of a photo or set of photos or must answer a question.
Systems like reCAPTCHA can still have vulnerabilities, however. Modern machine learning models and artificial intelligence programs have vastly improved photo recognition algorithms and can parse the tests relatively easily and quickly, meaning that bad actors can still access sensitive information with relatively little effort. Passwordless authentication is still not as vulnerable to this kind of attack because it doesn’t rely on a specific typed input in the same way from users and often instead relies on another personal identifier selected at account creation, which can’t be predicted by these programs.
When it comes to securing online accounts, Photolok from Netlok is a passwordless authentication method that offers a practical and user-friendly alternative to traditional password-reliant methods like reCAPTCHA. Photolok leverages photos to authenticate users in a way that’s both effective and intuitive.
This unique software’s authentication process works like this. Users select and categorize photos to use as verification keys; they can be labeled as multi-use, one-time use, or “Duress” (a distress signal). During login, users are asked to identify their chosen photo from a grid of similar photos from Photolok’s proprietary database. This approach eliminates the need for passwords entirely, making it a robust alternative to conventional password-based systems.
In terms of defending against AI and machine learning attacks, Photolok is particularly effective by design. Its system is built with advanced encryption and lateral defenses, which standard password-cracking tools cannot bypass. Since there are no passwords to crack and photo recognition software needs specific training and prompting to identify photos, AI attacks are considerably less effective; there is no “please choose this item” prompting for them to rely on for identification. The use of one-time-use photos further complicates any potential data collection by attackers, making it challenging for them to amass useful information over time. Additionally, keylogging systems are ineffective with Photolok, as the user’s photo location on the grid changes with each login.
As mentioned, traditional CAPTCHA tests, including advanced versions like Google’s reCAPTCHA, were designed to thwart simple automated attacks, but AI’s rapid advancement left CAPTCHA systems of all kinds outdated and less effective against sophisticated threats. Photolok provides a modern solution with its photo-based system, offering superior protection against both AI-driven and human social engineering attacks alike. Photolok’s ease of use and strong security make it an excellent choice for enterprises seeking a more reliable authentication method. Visit Netlok’s website to learn more and schedule a demonstration to see Photolok in action.
Most people who have used the Internet are familiar with the little boxes at the bottom of forms that ask you to prove that you’re human. It’s become a common joke that the distorted letters are illegible and that it’s just as hard for a human to solve these puzzles as it would be for a robot. But is that true? And if so, why do we still use this outdated verification?
Google’s ReCaptcha is beginning to show its limitations, and many site owners and internet users are seeking alternatives. To know why, it’s important to know what Recaptcha is, why it is being phased out, and what authentication methods are being used to replace it.
ReCaptcha is a Google property. This program is a multi-factor authentication method that uses a risk analysis engine to prevent spam responses to forms online. It’s most often used for surveys, email list registration forms, account creation and login screens, and purchase forms, among other applications. ReCaptcha uses a CAPTCHA test, which stands for “Completely Automated Public Turing test to tell Computers and Humans Apart.”
The Turing Test is a method of determining whether a computer can effectively mimic a human being’s thought processes. For a classic Turing Test, a human asks a series of questions to two responders, one other human and one computer program. After all questions are answered, the questioner must determine which responder is the computer. If, on more than half of the trials of the test, the computer is incorrectly identified, the computer is said to have passed the Turing Test.
So, using this idea, CAPTCHA tests generate an image that the user has to correctly interpret to access or submit the form. This is usually either an image with distorted letters and numbers that must be typed in the correct order or a series of images that ask users to identify a specific object. Some reCaptcha tests may be a single checkbox to select labeled “I am not a robot.” With this version of the test, the program takes into account the speed and accuracy of the click on the box, verifying a certain level of human error for authenticity.
While reCaptcha started as a go-to authentication method, modern internet users and site owners have criticisms that are beginning to spell the end of the software as an industry standard.
For one, reCaptcha has extremely limited accessibility features. Many users with accessibility needs, such as low vision or blind users, express frustration with reCaptcha’s distorted letter mechanic. With accessibility for all becoming a major focus for most online brands, having essential features of your site hidden behind a feature that cannot accommodate people with visual disabilities can be a major hindrance.
Another major complaint is the overall tedium of filling out reCaptcha forms. Some versions of the system require users to go through two, three, or even four layers of identification and authentication to verify their legitimacy as users, which can take an upsetting amount of time to complete, and in the event of an internet issue, can be extremely frustrating to have to restart. There have also been issues with image reCaptchas specifically having errors that result in the user being asked to identify an object that isn’t present at all, which can lead to further confusion and annoyance.
The final major concern with reCaptcha is the advancement of artificial intelligence technology. AI algorithms are becoming so advanced that they can pass the Turing test with relative ease, and with reCaptcha specifically, programs have been developed by scammers and bot managers that can replicate the minute randomizations in clicks of a human being and identify images more clearly than ever before. Many people are concerned that reCaptchas have become obsolete in the face of these advancements, and many site owners are finding that more and more bots are slipping through reCaptcha filters because of it.
While it’s unlikely that reCaptcha will be completely phased out anytime soon – as this would be a massive undertaking and require the reconfiguration of millions of sites worldwide – other authentication methods are slowly becoming more prevalent as a way of warding off AI advancements and bots.
Some sites choose to use methods like Cloudflare’s Turnstile, which uses specific code to verify a user’s connection and authenticity and filter out bots. Others choose to add another layer of security to their reCaptcha authentication instead of replacing it, using bot-sweeping software to filter out any spam that may get past the Captcha and into their system. They may also choose to implement a firewall system to block AI. Some companies are also fighting AI with AI; they use AI software to detect spam accounts and users across networks and block them instantly.
A new authentication method from Netlok called Photolok allows users to log into their accounts by selecting an image of their choosing from a grid of similar images. This system allows users to upload their security images with labels including one-time use and duress – a label that would alert administrators if a user is forced to log into their account by a bad actor. It is an extremely secure method that works well against bots and AI alike thanks to clever encryption and a unique verification algorithm.
Other methods include 2FA requiring outside devices such as phones or tablets and biometric authentication, which may include facial recognition software or fingerprint reading.
While reCaptcha has been a go-to authentication method for many years, its limitations and drawbacks are becoming increasingly apparent to both internet users and site owners, especially concerning accessibility. Alternative authentication methods are slowly gaining popularity as a way to fight against AI advancements and bots. Again, while it is unlikely that reCaptcha will be completely phased out anytime soon, site owners need to consider alternative authentication methods that are more accessible, user-friendly, and secure.
If you are interested in implementing Photolok into your network as a Captcha alternative, you can schedule a demo online.
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