What Is 2FA (Two-Factor Authentication) and How Can You Implement It?

14 January 2026 0 minutes read

Your customers’ security should be one of your top priorities. Two-Factor Authentication (2FA) is one of the most effective ways to protect user accounts and sensitive information.

By implementing 2FA, you add an extra layer of security beyond a simple password, significantly reducing the risk of unauthorized access. In this article, you’ll learn what Two-Factor Authentication is, how it works, and how you can easily implement it to enhance both customer security and trust.

How Does 2FA Work?

2FA stands for Two-Factor Authentication and refers to a security process that requires users to provide two different forms of identification in order to access an account or complete a transaction. This additional layer of protection typically combines a password with a second verification method, such as a mobile phone or another personal device.

The most common form of 2FA is applied during login: the user enters their password and then receives a one-time password (OTP) to confirm their identity. An OTP or 2FA PIN is an automatically generated code, usually sent to the user’s mobile device via SMS, voice call, or an app, and is valid only for a single login session or transaction.

The Benefits of 2FA

The primary benefit of Two-Factor Authentication (2FA) is the added layer of security it provides, making unauthorized access to accounts significantly more difficult. Even if a password is compromised, the second authentication factor acts as a critical safeguard.

Simply integrating 2FA into login and transaction verification processes can dramatically reduce the risk of data breaches, fraud, and unauthorized actions. In this way, businesses protect both their systems and their customers’ sensitive information, while simultaneously strengthening trust and credibility.

1. Stronger Security

Two-Factor Authentication (2FA) is one of the most effective tools for preventing fraud and cyberattacks. Bypassing 2FA is extremely difficult, as attackers would need access to multiple authentication factors rather than just a single password.

Enabling 2FA adds an additional defensive layer that deters even basic attack attempts. Even the simplest form of two-factor authentication creates a near-impenetrable barrier between hackers and your customers’ personal data.

2. Improved User Experience (UX)

The goal of 2FA is to protect personal data without compromising the user experience. Modern authentication methods are designed to deliver high security in the fastest and simplest way possible.

For example, with push notifications, users don’t need to enter a PIN to complete authentication, one tap on the notification is enough. This makes the process seamless, quick, and user-friendly.

By using an omnichannel 2FA solution, customers can choose the communication channel that best suits them (SMS, voice call, push notification, etc.), ensuring both excellent UX and maximum security.

3. Increased Customer Trust

Implementing strong security measures such as 2FA significantly boosts customer trust, especially in eCommerce environments and online marketplaces. When users know that everyone is required to go through the same strict authentication process, they feel safer during transactions and interactions.

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Example Use Cases for 2FA

Banking & Financial Services

2FA has become essential for banks and financial institutions, as it serves as a core mechanism for protecting sensitive data and financial transactions. From entering a PIN to access a bank card, to using TOTP (Time-Based One-Time Passwords) to complete money transfers, 2FA ensures that only authorized users can perform critical actions.

eCommerce

Online retailers frequently use 2FA during the login process. When sensitive information such as credit card details is stored in customer accounts, adding an extra layer of protection is essential for customers to feel safe when making purchases.

Healthcare

Healthcare organizations are responsible for securing sensitive patient data and medical information. By using 2FA, they can ensure that only authorized individuals can access medical records, strengthening both security and patient trust.

2FA also allows patients to feel confident that their personal data is protected, while serving as a mandatory requirement for doctors and healthcare professionals accessing medical files and information systems. This ensures compliance with data protection regulations and the secure handling of critical information.

Government & Public Sector

Governments worldwide have transitioned to online and cloud-based platforms to provide citizens with access to digital government services. These include student loans, retirement savings, driver’s license applications, and many other public services.

In this environment, 2FA is crucial, ensuring that only citizens themselves can access their personal data and government applications. By implementing two-factor authentication, public sector organizations enhance security, transparency, and public trust in digital services.

How to Implement 2FA Effectively

With near-universal mobile phone usage across most developed markets, sending OTP PIN codes to mobile devices is the most common method of implementing 2FA. This approach provides fast verification and a high level of security for both users and businesses.

However, successful 2FA implementation depends not only on the method used, but also on choosing the right communication channel based on the specific use case and individual customer preferences.

For example, users living or working in areas with unreliable mobile or data connectivity may experience delays in receiving authentication codes. In such cases, configuring a failover channel is critical to ensure that codes are delivered securely and on time—especially when using TOTP (Time-Based One-Time Passwords) with short expiration windows.

The most popular 2FA methods include:

SMS
Email
Viber
Voice (OTP via phone call)
Mobile push notifications

How Yuboto Can Help You with 2FA

Yuboto provides comprehensive Two-Factor Authentication (2FA) solutions, helping businesses of all sizes protect users and digital services with reliability and flexibility. Through an omnichannel communication platform, Yuboto enables the delivery of OTP codes across multiple channels, ensuring fast and secure authentication.

More specifically, Yuboto supports One-Time Password delivery for 2FA via three communication channels: SMS, Viber, and Voice (phone calls).

Thanks to easy API integration, high availability, and global coverage, Yuboto’s 2FA solutions help reduce fraud, ensure compliance with security regulations, and deliver a seamless and trustworthy user experience.

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SMS Analytics: Everything You Need to Know

17 December 2025 0 minutes read

Discover how SMS analytics, the most important performance metrics, can help you track your messaging campaigns in real time and significantly improve your SMS marketing results.

With the right data at your fingertips, you can understand how recipients respond, which messages perform best, and how to adjust your strategy for greater effectiveness and higher engagement.

Tracking and truly understanding your SMS campaigns is the most effective way to improve their performance. This is exactly what SMS analytics enables.

It goes beyond simply confirming message delivery. SMS analytics allows you to see what actually happens after a message is sent:

Are your customers reading your messages? Clicking links? Unsubscribing?

By leveraging SMS analytics, you can accurately evaluate how your campaigns contribute to both engagement growth and revenue generation, alongside your other marketing channels.

In this guide, we’ll explore:

what SMS analytics really means
which metrics deliver the most value
how to use data to optimize your SMS campaigns

What Is SMS Analytics?

SMS analytics is the process of tracking, measuring, and visualizing data generated by your SMS campaigns. It’s not just about counting sent messages, it helps you truly understand how your messages perform and enables you to make meaningful improvements to your SMS strategy.

With SMS analytics, you can answer critical questions such as:

What percentage of my messages were successfully delivered?
How many recipients opened or clicked my messages?
Which offers or audience segments performed best?
At what point do users drop off or choose to unsubscribe?

Modern SMS platforms automatically collect and organize message data, providing key metrics such as delivery rate, open rate, click-through rate, opt-outs, and more all in real time.

SMS Analytics: Core Metrics

There are many metrics you can analyze in an SMS campaign. Some are specific to the SMS channel, while others help measure overall campaign effectiveness.

Below are some of the core SMS metrics you should be tracking:

Delivery Rate

What it is:
The percentage of SMS messages that successfully reach recipients’ devices without being blocked or bounced.

Why it matters:
Delivery rate is the most reliable indicator of how many messages actually reach your audience. A sudden drop may signal delivery infrastructure issues, routing problems, or even compliance-related concerns.

Open Rate

What it is:
The percentage of delivered SMS messages that are opened by recipients.

Why it matters:
A high open rate indicates an engaged and receptive audience.
It also shows that:

your sender name is recognizable and trusted
your message preview captures attention effectively

The higher the open rate, the greater the likelihood that your message will lead to clicks, replies, or conversions.

Click-through Rate (CTR)

What it is:
The percentage of recipients who click on a link, offer, or call-to-action within an SMS. It’s calculated by dividing the number of unique clicks by the number of delivered messages and multiplying by 100.

Why it matters:
CTR is one of the clearest indicators of real engagement and interest. It’s especially critical for campaigns that include links, landing pages, or promotional offers.
For SMS campaigns, a good CTR typically ranges between 10% and 30%, while anything above that is considered excellent.

Unsubscribe / Opt-out Rate

What it is:
The percentage of recipients who choose to unsubscribe from future messages

Why it matters:
A higher-than-normal opt-out rate is a clear sign that something isn’t working.
It may indicate that:

messages are being sent too frequently
content is not relevant or valuable to the target audience
proper consent has not been obtained

Monitoring opt-out rates is essential not only for performance optimization, but also for regulatory compliance and maintaining customer trust.

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How to Use SMS Analytics to Improve Your Campaigns

Tracking SMS metrics is only the first step. The real value of SMS analytics is unlocked when you use the data to improve both your message content and overall campaign strategy.

Here’s how to use analytics for better SMS campaign outcomes:

Optimize Timing and Frequency

Identify the times when your audience is most responsive. Test different scenarios, such as weekdays vs. weekends or afternoons vs. evenings.

At the same time, avoid message fatigue by monitoring response rates and opt-out rates, especially when messages are sent frequently.

Refine Targeting and Segmentation

Identify your most engaged segments based on location, demographics, or behavior, and target them with tailored offers.

For segments that consistently ignore messages, consider excluding them or applying win-back strategies with alternative content.

Personalize Your Messages

Use data from previous campaigns to understand which messages, offers, or tones drive action.

Adjust content based on click-through and conversion rates per segment, making each message more relevant and effective.

Test and Optimize Continuously

Run A/B tests with different links, CTAs, or wordings and keep what performs best.

With real-time data, you can adjust campaigns instantly—no need to wait for end-of-campaign reports.

Run A/B Tests on Content, Timing, and Segments

Send two variations of the same message and compare open rates and CTRs. Even small tweaks can have a significant impact on results.

Use Segmentation for Deeper Insights

Avoid sending the same message to everyone. Use analytics to understand each group’s preferences and tailor your strategy accordingly.

Turn SMS Analytics into a Business Advantage with Yuboto

SMS analytics isn’t just about numbers and charts. It’s the tool that allows you to understand customer behavior, optimize every campaign, and maximize ROI from your SMS marketing efforts.

With Yuboto’s SMS & Messaging solutions, you gain full visibility into campaign performance in real time:

detailed delivery and engagement insights
clear visibility into clicks, conversions, and opt-outs
the ability to instantly adjust content, timing, and targeting

Ανακαλύψτε πώς η Yuboto μπορεί να σας βοηθήσει να αξιοποιήσετε στο έπακρο το SMS marketing σας.

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SMS Marketing Copywriting: 7 Practical Tips for Better Performance

16 December 2025 0 minutes read

In SMS marketing, every word counts. With just 160 characters or less, you have one unique opportunity to capture attention, clearly communicate your value, and drive immediate action.

That’s why high-performing businesses treat SMS copywriting as a strategic asset, not just another message. Successful SMS campaigns are short, specific, and highly targeted, designed to activate recipients within seconds.

Whether you’re running a limited-time promotion, sending an automated reminder, or delivering a personalized follow-up, the right SMS copy helps your message cut through digital noise and deliver measurable business results.

In this guide, you’ll learn:

how to create SMS marketing messages that get read and drive action
7 proven SMS copywriting tips that boost engagement and conversions
what mistakes to avoid so your messages don’t feel annoying, vague, or spammy

7 Best Tips for Writing Effective SMS Marketing Messages

1. Keep it short but not boring

In SMS marketing, brevity is your greatest advantage. But short doesn’t mean bland. Even within a limited character count, your message must deliver clarity, energy, and purpose.

To write SMS messages that are both concise and engaging:

Aim for 75–115 characters, the optimal length for readability
Remove filler words without losing your brand voice and tone
Use active language and get straight to the point

A great SMS doesn’t explain, it activates the recipient in seconds.

2. Focus on one clear message

Trying to communicate too much in a single SMS leads to confusion and lower engagement. The golden rule of SMS marketing is simple: one message, one goal.

To keep your SMS focused and effective:

Define one clear objective per message (e.g. promotion, reminder, alert)
Avoid stacking multiple offers or conflicting instructions
Make sure every sentence supports the primary call to action

The clearer the message, the easier it is for recipients to understand what you want them to do—and do it.

3. Lead with value

Your audience receives dozens of notifications every day. To stand out, your SMS must show its value from the very first word. Lead with the benefit and focus on what truly matters to your audience.

To deliver immediate value in your SMS:

Start with the offer or outcome (e.g. “25% off today only”)
Avoid slow, generic openings like “We’re happy to inform you…”
Front-load the message so the value appears clearly in the preview text

When the benefit is instantly visible, your message is far more likely to be opened, read, and acted on.

4. Personalize your SMS whenever possible

Generic, impersonal messages are easy to ignore. Personalization, on the other hand, builds connection and shows recipients that you understand their needs and interests.

Ways to personalize SMS at scale:

Use data such as recipient name, location, or purchase history
Reference previous interactions or stated preferences
Leverage automation tools to easily insert dynamic fields

A personalized SMS doesn’t feel like a mass send, it feels like relevant, timely communication, significantly increasing engagement and conversions.

5. Create urgency (without pressure)

A clear deadline can be a powerful driver of action. The key is balance: urgency with clarity, not pressure or panic.

To create urgency in your SMS messages:

Use phrases like “today only,” “last chance,” or “limited time”
Align urgency with real relevance (e.g. an expiring cart reminder)
Avoid overused clichés and exaggerated language that feels spammy

When urgency is genuine and clear, it encourages faster decisions without damaging trust.

6. Use clear calls to action (CTAs)

If recipients don’t know what to do next, they won’t act. Every SMS needs a crystal-clear CTA that guides users toward the intended outcome.

For more effective SMS CTAs:

Use direct, action-oriented verbs like “Buy now,” “Book today”
Place the CTA early in the message, especially when space is limited
Keep it specific and unambiguous to reduce decision friction

The simpler the CTA, the easier it is for recipients to move from message to action.

7. Test and optimize continuously

Guesswork rarely delivers results in SMS marketing. The most successful marketers treat every SMS campaign as a test, continuously refining based on real data.

What to test and optimize:

CTA wording, tone of voice, message wording, and send timing
A/B testing across audience segments or offer formats
Key KPIs such as CTR, opt-out rate, and conversion rate

Continuous analysis and optimization allow you to steadily improve performance and maximize the value of every SMS you send.

What to Avoid in SMS Copywriting

Avoid vague or misleading messages that confuse recipients or overpromise

Never skip opt-in or assume consent—explicit permission is essential

Don’t bombard users with too many messages, even if the content is relevant

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New Integration: Drupal Webforms & Yuboto for Automated SMS

11 December 2025 0 minutes read

INTEGRATION Company: Drupal | Service: SMS

Drupal & Yuboto: Automated SMS Sending Directly from Your Website

We’re excited to announce a powerful new integration that enables any Drupal website to automatically send SMS messages via Yuboto. With the new Webform Yuboto module, businesses can now transform every form submission into an instant and reliable SMS notification.

This solution is ideal for websites running Drupal 9, 10 ή 11, and is designed for organizations looking to enhance customer experience, automate communication workflows, and reduce operational costs.

Webform Yuboto
What Is the Webform Yuboto Module?

Webform Yuboto is a specialized module that adds a new handler to Drupal Webforms, allowing automatic SMS delivery through the Yuboto SMS API every time a user submits a contact, registration, support, or inquiry form.

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Key Benefits for Businesses & Developers

Instant User Notifications

Send thank-you messages, registration confirmations, support alerts, or reminders in real time.

Time Savings Through Full Automation

No manual processes required - your forms become “smart” and action-driven.

Easy Installation & Configuration

All settings are managed directly through the Drupal UI, with no complex development needed.

Enterprise-Grade Reliability

SMS messages are delivered via Yuboto, one of Greece’s leading messaging providers, offering zero downtime and high delivery rates.

Core Module Features

Webform Yuboto includes a robust feature set designed to simplify workflows for both developers and administrators:

1. SMS Delivery to Submitted Phone Numbers

The module automatically detects the phone number field in the form and sends the SMS upon submission.

2. Message Templates with Tokens

Create SMS templates using dynamic tokens populated with form data.

3. Custom Sender Name

Businesses can define their own Sender ID for fully branded communication.

4. Centralized API Key Management

The API key is securely stored in the backend and reused across all forms.

Conclusion

The new Webform Yuboto module delivers a complete, reliable, and extremely easy-to-use solution for sending SMS directly from Drupal websites. Businesses can now improve customer experience, automate workflows, and build powerful communication flows without any additional development effort.

This integration marks yet another step in Yuboto’s commitment to delivering innovative, fast, and flexible messaging solutions for organizations of all sizes.

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Christmas Marketing Campaigns with SMS, Viber & Email

11 December 2025 0 minutes read

As the holiday season approaches, the ability to boost end-of-year sales through smart, personalized campaigns becomes more important than ever.

Whether you’re a retailer, a service provider, or an eCommerce brand, planning your Christmas marketing strategy can help you stand out and maximize revenue during the most competitive shopping period of the year.

In today’s article, we’ll explore top Christmas marketing ideas using SMS, Viber, and Email so you can finish the year strong in terms of sales.

Why Christmas Campaigns Matter More Than Ever

December is traditionally the month with the highest shopping activity worldwide. Consumers are looking for deals, gift ideas, and memorable experiences—but their attention is limited, inboxes are crowded, and competition is intense. In this environment, a well-designed omnichannel strategy across SMS, Email, and Viber can truly make the difference.

SMS

Delivers instant reach with open rates that can reach 98%.

Email

Elevates your brand with rich visuals and detailed product recommendations.

Viber

Enables personalized, two-way communication with your customers.

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Smart Christmas Marketing Ideas

Below are proven strategies you can apply across all communication channels to drive more engagement and higher sales.

1. Create an 8-Day Christmas Countdown

Plan an SMS or email campaign where customers receive a new offer, gift idea, or useful tip every day. Enhance the campaign on Viber or email with images and videos to build anticipation and a festive mood.

Pro Tip:
Use SMS for daily reminders and leverage Viber for richer, more visual content—such as product showcases or curated holiday gift bundles.

2. Send Personalized Gift Guides

Analyze customer behavior and purchase history to create targeted gift guides featuring products that truly match their interests and needs.

Send them via email or Viber for a more direct and engaging experience. Personalization significantly increases click-through rates and conversions.

Example:
“Still looking for the perfect gift? Check out your personalized gift list!”

3. Give VIP Customers Early Access

Reward your most loyal customers by giving them exclusive early access to your Christmas offers before they go live for everyone else. Send the early access via SMS or Viber and pair it with a limited-time countdown and special VIP bundles to strengthen the feeling of exclusivity.

Example:
“VIP Access: You have a 24-hour head start before our Christmas offer goes live. Shop before everyone else!”

4. Remind Customers of Last Shipping Dates

Help customers avoid delays and unpleasant surprises by informing them early about final order deadlines.

Send a short SMS or Viber message clearly stating when they need to complete their purchase to receive gifts before Christmas.

Example:
“Place your order by December 20 to receive your Christmas gifts on time!”

5. Combine Email & SMS for Maximum Impact

Use the strengths of each channel by sending an email with a complete product showcase, beautiful visuals, and gift recommendations.

Then, boost campaign performance with a short SMS that creates urgency or provides a direct call-to-action.

Example:
An email featuring 5 gift recommendations + an SMS with a discount code for immediate use.

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How to Keep Engagement Going After Christmas

The holiday season doesn’t end on Christmas Eve - and neither should your marketing.

The days that follow are a great opportunity to increase engagement and drive additional sales. Post-Christmas offers work perfectly to clear seasonal stock, while promoting them via SMS or Viber ensures immediate visibility and faster customer response.

As the new year begins, take advantage of consumers’ motivation for a fresh start and promote new arrivals, upgrades, or New Year resolution–related content via email.

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