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Receiving Verification Code You Didn’t Request?

Receiving Verification Code You Didn’t Request?

Profile Headshot of Amit Gairola
Amit Gairola

5
mins read

October 15, 2024

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Key Takeways

According to a report, the cybercrime cost is predicted to reach $9.5 trillion in 2024

Unexpected verification codes, sent via text or email, are meant to add security by confirming your identity. But if you get one without trying to log in, it could mean someone else is trying to access your account. Cybercriminals use various tactics to steal data hence, you must act swiftly to protect your information.

How Serious is Receiving an Unrequested Verification Code?

The seriousness of an unexpected verification code depends on the account. Codes for non-sensitive accounts (like streaming) may not be urgent.
A code for a banking or financial account is a major red flag. If you get a bank code without trying to log in, it could mean a hacker has your details. They may have gained access through phishing or a data breach. Immediately contact your bank using official channels to confirm the code and secure your account.

You can read our article on SMS phishing for a detailed guide.

How can you handle Unauthorized Account Creation?

Here’s how you can handle and manage unauthorized account creation

  1. Stay Alert for Unrequested Codes

If you receive OTP SMS verification codes for accounts you didn’t create, it may indicate someone is using your contact info without your permission.

  1. Recognize the Risks

This situation might seem harmless at first, but acting quickly is crucial to protect your personal information.

  1. Gather Information

Take note of the verification codes and any details about the unauthorized account for your records.

  1. Contact the Service Provider

Reach out to the company that sent the verification code. Use their official website or customer service number to ensure you’re contacting the right place. In some cases, it will be the OTP service provider and in others, it will be the business you are dealing with.

  1. Verify Your Identity

Be prepared to prove your identity. This may involve answering security questions or providing identification.

  1. Request Account Closure or Transfer

Ask the service provider to close the unauthorized account or transfer it to your control.

  1. Document Your Communication

Keep records of your interactions with the service provider, including dates, times and names of representatives you spoke with.

  1. Monitor for Spam

Keep an eye on your email and messages for any unwanted notifications or spam that may result from the unauthorized account.

  1. Change Your Passwords

If you suspect that your information was compromised, change your passwords for other accounts, especially those linked to the same email or phone number.

  1. Be Proactive About Security

Consider enabling two-factor authentication on your important accounts to add an extra layer of security and reduce the chances of unauthorized access in the future.

Monitoring for Data Breaches

Sometimes, an unexpected verification code can mean your personal info was exposed in a data breach. Cybercriminals use stolen login details to try accessing accounts. 

To protect yourself, regularly check trusted cybersecurity sites that track data breaches. By entering your email or phone number, you can see if your info was compromised and take steps like changing passwords or watching for suspicious account activity.

How to Distinguish Genuine Alerts and Scams?

Here are few ways to distinguish genuine alerts and scams

  1. Be Cautious with Unsolicited Codes

Always be on alert when you receive a verification code you didn’t request, as it could signal suspicious activity.

  1. Watch Out for Fake Codes

Cybercriminals may send fake codes or links to trick you into giving away personal info or infecting your device.

  1. Avoid Clicking Suspicious Links

Never click on links in unexpected messages. These could lead to scams or malware.

  1. Verify Requests Independently

Before taking any action, reach out to the company directly through official channels to check if the code is legitimate.

  1. Protect Your Information

By verifying alerts yourself, you can prevent falling victim to scams and keep your sensitive data safe.

  1. Switch on 2FA

Two factor authentication is a method of user authentication with two modes/ channel. You can switch it on for all your devices and application. You can add email/ WhatsApp in addition to SMS verification.

Management after Data Breaches

If you discover your information has been exposed, take immediate steps to protect your accounts

  1. Change passwords for affected accounts, using strong and unique passwords.
  1. Enable two-factor authentication (2FA) via OTP SMS codes wherever possible for added security. 
  1. Monitor your accounts for any unusual activity or unauthorized logins.
  1. Consider using a password manager to keep track of complex passwords.
  2. Stay informed about data breaches by signing up for alerts from trusted cybersecurity sites.

Promoting Digital Awareness

Here are some ways to promote digital awareness

  1. Stopping unrequested verification codes needs everyone to be more aware and educated about online safety.
  1. Teaching people, especially younger generations, about protecting personal info and spotting phishing attempts is important.
  1. Understanding the dangers of sharing sensitive data can help reduce risks.
  2. By encouraging digital responsibility and giving people the tools to stay safe online, we can all help fight cybercrime.

Conclusion

Receiving an unrequested verification code should never be taken lightly. It could be a warning sign that your account security has been compromised or that someone is attempting to gain unauthorized access to your sensitive information. 

By remaining vigilant, taking proactive measures, and fostering digital literacy, we can better protect ourselves against the ever-evolving threats posed by cybercriminals and safeguard our digital identities.

Frequently Asked Questions

How do I choose the right OTP service provider?

When selecting an OTP SMS service provider, focus on:

  • Delivery reliability and speed
  • Global coverage and local compliance
  • Multi-channel support and fallback
  • Ease of integration
  • Pricing transparency

The right provider should not just send OTPs but ensure they are delivered consistently across regions and networks.

Not all OTP SMS service providers are built the same.

Some optimize for cost, others for flexibility but very few balance delivery reliability, global coverage and ease of use. And that balance is what actually impacts whether your users receive OTPs on time.

If OTP is critical to your product, focus on:

  • reliable delivery (not just sending)
  • multi-channel fallback
  • scalability across regions

Try It for Yourself

Why is multi-channel OTP important?

Relying only on SMS can lead to failed verifications due to:

  • network issues
  • telecom filtering
  • device limitations

Multi-channel OTP systems (SMS + WhatsApp + voice) improve success rates by automatically retrying through alternative channels if one fails.

What is the best OTP SMS service provider in India?

Some of the commonly used OTP SMS service providers in India include MSG91, Exotel and 2Factor.

That said, India has additional challenges like DLT compliance and operator filtering. Platforms that handle these internally while also offering fallback options tend to provide more consistent OTP delivery.

Which is the cheapest OTP service provider?

Providers like Fast2SMS and 2Factor are often considered among the cheapest OTP service providers, especially in India.

However, lower pricing can come with trade-offs such as:

  • lower route quality
  • higher delivery delays
  • limited fallback options

For mission-critical OTP flows, reliability often matters more than just cost.

Which is the best OTP service provider in 2026?

The best OTP service provider depends on your use case.

  • For global scale and flexibility: Twilio, Infobip
  • For cost-effective APIs: Plivo
  • For India-focused SMS OTP: MSG91, Exotel

However, platforms like Message Central stand out by balancing global coverage, multi-channel fallback and ease of deployment, making them suitable for businesses that prioritize delivery reliability.

What is an OTP service provider?

An OTP service provider enables businesses to send temporary verification codes to users via channels like SMS, WhatsApp or voice to authenticate logins, transactions or sign-ups.

Modern OTP SMS service providers go beyond just sending messages, they ensure reliable delivery using optimized routing, retries and sometimes multi-channel fallback.

Ready to Get Started?

Build an effective communication funnel with Message Central.

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