Telesign Team
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August 17, 2023If you romanticized the days of internet past, one of the things you might reminisce about would be login processes. It used to be that the only steps required to securely access an account were a username and password.
My, how things have changed.
Today, the digital experience can feel like the Wild West, with fraudsters everywhere, doing everything in their power to find ways into secure accounts.
Username and passwords that used to shut them down? Quickly becoming a thing of the past.
The future is now, and it involves layering security with things like SMS verification. This article breaks down SMS verification, including how it works, who uses it, pros and cons, and more.
SMS stands for Short Messaging Service, and it is a type of text messaging that occurs on most smartphones and mobile devices. The length of SMS messages is limited to 160 characters.
SMS verification establishes the identity of a user through the use of a verification code sent to a smartphone. SMS verification adds a layer of security to a login process, typically after a user has input their login details. This extra step of security allows businesses greater control over who accesses their platforms.
Banks, for example, might require SMS verification to use their app or website, making it harder for someone to access another person’s account by stealing their password.
How secure is SMS at its core? Unfortunately, the reality is that SMS is a huge target for cybercriminals. When a person sends a text message to someone else, there is a chance that prying eyes could intrude. This is because SMS messages are not end-to-end encrypted.
When something is encrypted end-to-end, the only parties able to read the messages are the sender and receiver. SMS messages are able to be read by third parties, including your wireless carrier. Though this is unlikely to happen, and could cross legal lines depending on the location, it is technically possible.
A bigger worry, of course, would be if a cybercriminal were to read your messages. As a standard, it makes sense to configure your important accounts with MFA (multi-factor authentication), so in the rare case a hacker gains access to your SMS messages, they won’t be able to penetrate the other layers of your account successfully.
Adding multi-layer security to a sign-up process is relatively straightforward. Here’s how it works:
A wide variety of companies use SMS verification as their main source of account security. You’ve probably been prompted to enter a phone number when signing up for a social media account or online business website or app, so that a bad actor doesn’t infiltrate your profile.
As banks now encourage digital deposits and transfers, they usually require SMS verification during the sign-in process.
Though there are some exceptions, it has become standard for many platforms to require that users go through an SMS verification process. Sometimes they opt for a different form of verification, one that sends a OTP (one-time passcode) through a third-party app. Whether this is safer or not varies, as each platform creates their own level of security.
Finally, note that just because SMS verification is used as a standard by many businesses, that doesn’t mean it’s the best or only option. However, due to the fact that so many people now have a smartphone, the convenience factor of this option comes into play.
In the digital age, every account is protected at the very least by something like a password. A person logging in to their account would have to enter their username and password to gain access.
At first, this mechanism was successful, for the most part, in keeping bad actors at bay. Eventually, cybercriminals began using the power of technology to uncover passwords and break into accounts. As a result, password requirements were established to make passwords more secure. Users were instructed to do certain things when constructing a password, like add special characters (!@$%^&&*, etc.), capitalize some letters, and make the password a certain length.
Again, this wasn’t enough. Brute force attacks made it so bad actors could eventually gain access to an account protected by these types of passwords.
What was needed was an extra layer of security. An OTP sent to an email was one way to give them that extra security. There is the concern that passwords are often reused, so if someone got hold of one password, they might also have access to their target’s email.
SMS verification doesn’t have this problem, so it’s widely preferred, especially considering smartphones are widely available to almost everyone these days.
We know that SMS verification is effective, and we know what types of companies use it, but what are the main benefits they get from applying it? Here are the most common:
Of course, SMS verification isn’t 100% impenetrable. Here are a few negatives to consider:
To make the process more efficient and secure, an SMS verification API can be put into place.
Implementing an SMS verification API depends on your company’s specific requirements. To be sure you’re setting up a solution that best fits your needs, find a solution that offers a way to test out the process.
Be sure the provider you’re working with has a support team that is responsive and makes themselves fully ready to assist you with any questions you have.
When looking for an SMS verification API, you want a solution that goes above and beyond what you get from a basic verification process.
Look at the following factors in any potential provider:
When looking into the downsides and vulnerabilities of SMS verification, there will be some concern for businesses looking for high levels of security. This concern is warranted, but it can be mitigated by pairing SMS verification with a solution that ensures vulnerabilities are eradicated.
For example, if a SIM swap has previously affected a number, wouldn’t it be nice if you had a verification API that automatically flags it? That and more are what Telesign, the global leader in digital security, offers.
What else does Telesign’s SMS Verify solution provide? Here are some key features:
Telesign helps some of the world’s largest and most popular brands prevent digital fraud, through the use of modern, developer-friendly APIs.
There is a thin line of security between your digital ecosystem and fraud. Sometimes, all that’s stopping fake accounts from ending up on your platforms is a username and password. This minimal barrier is bound to break, especially with so many fraudsters seeking to exploit every weakness.
SMS verification strengthens this thin line of security, making the theft of a password insufficient for a bad actor to gain access to your digital platform, as they would still need the user’s mobile device.
Committing to greater security is a big step in the right direction, and signals to your end-users that you are focused on keeping them safe. Yet, this only holds true if the verification service you use can perform a wide range of functions. Telesign’s SMS verification API stands alone as a modern solution that accounts for many potential security issues.
If you’re interested in implementing an SMS verification solution capable of scaling globally, chat with us today.
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