Student develops UPI fraud-proof model — How to Identify & Stay Safe

INDIA — By BharatSecure Threat Intelligence Team · Updated Jun 13, 2026

Severity: Medium | View Full Scam Details

Student Develops UPI Fraud-Proof Model in India 2026: A New Step Against Growing Payment Scams

UPI fraud remains a persistent risk for millions in India, but a recent innovation by a student has shown promise in making digital payments safer from scammers.

What Is the Student Develops UPI Fraud-Proof Model?

India's Unified Payments Interface (UPI) has revolutionized digital transactions, boasting over 8 billion monthly transactions as of early 2026. However, this popularity has also attracted fraudsters who exploit vulnerabilities to dupe users. According to reports received by cybercrime authorities like CERT-In and I4C, scams involving fake payment requests, identity deception, and social engineering remain widespread.

Against this backdrop, a student researcher has developed a model aimed at detecting and preventing UPI frauds by identifying suspicious transaction patterns and verifying payee authenticity in real-time. This model uses machine learning algorithms to analyze behavioural signals and transaction metadata before approval, thereby flagging potentially fraudulent transactions before they are completed.

While still in pilot stages, India's banking and regulatory authorities are closely observing the potential of this model to reduce fraud losses, which the Reserve Bank of India (RBI) estimates to be INR 610 crore due to digital payment scams in the past year. If successful, it could be integrated within UPI platforms to complement existing security measures.

How This Scam Works — Step by Step

Scammers exploiting weaknesses in UPI payments typically follow a detailed approach to trick victims:

1. Target Identification: Fraudsters monitor WhatsApp, Facebook, and other social media for posts or messages revealing users’ financial or personal info. They also scrape contacts from compromised devices or hacked accounts.

2. Initial Contact: The scammer calls or messages the target claiming to be from a bank’s customer support or UPI helpdesk. Sometimes, they impersonate a friend or relative in urgent need of money.

3. Creating Urgency: The caller fabricates stories—such as blocking of bank accounts due to suspicious activity or needing emergency funds—to pressure quick action.

4. Requesting UPI Transaction: The victim is asked to send money or authenticate a UPI transaction, often via fake “refund” links or QR codes. The scammer may instruct the victim to share UPI PIN or OTP, exploiting a critical security lapse.

5. Deceiving via Fake Apps or Websites: Sometimes, victims are directed to clone apps resembling genuine banking or payment services that steal credentials.

6. Loss of Funds: After the victim authorizes, the scammer immediately transfers money through UPI to accounts that are hard to trace or freeze.

7. Cover-up: Victims realize the loss after a delay or notice unknown transactions in their bank passbook or UPI app notifications.

Real Warning Signs to Watch For

• Calls or messages demanding immediate action or payment without verifying identity.
• Requests to share UPI PIN, OTP, or banking credentials over phone or message.
• Unknown or suspicious UPI IDs asking for payment.
• Fake or unsolicited “refund” or “transaction failure” links sent via WhatsApp or SMS.
• Pressure tactics to bypass normal verification steps.
• Friends or family requesting money without prior notice via new or unverified phone numbers.
• Requests to install apps or scan QR codes from unknown sources.

What Happens to Victims

Victims of UPI fraud often face direct financial loss, with amounts ranging from a few hundred rupees to lakhs of rupees depending on the severity. Unlike some bank transactions, UPI payments are instant and generally irreversible, making recovery difficult.

Emotional distress is common as victims grapple with loss of trust in digital payments. Some may face blackmail or continuous harassment if personal details like Aadhaar numbers or mobile numbers have been compromised. SIM swap fraud can exacerbate these issues, allowing scammers to intercept OTPs and gain access to multiple accounts.

In many cases, victims must file formal complaints and obtain police FIRs before banks or NPCI consider refunds or compensation. This process can be time-consuming and stressful, underscoring the need for robust preventive tools.

What RBI and CERT-In Say

The Reserve Bank of India (RBI) actively warns users against sharing sensitive details like UPI PIN or OTP and stresses only trusted apps should be used for payments. RBI’s cybersecurity framework mandates banks and payment providers to improve transaction monitoring.

CERT-In regularly issues advisories on social engineering tactics used in UPI scams. They recommend users report suspicious messages and immediately contact their bank if unauthorised transactions occur. The National Cyber Crime Reporting Portal (I4C) facilitates complaint registration specializing in financial fraud.

For urgent reporting, the 1930 cybercrime helpline provides assistance to victims across India. RBI’s 24x7 toll-free banking helpline is also available for reporting transaction issues.

How to Protect Yourself

1. Never share UPI PIN, OTP, passwords, or banking info with anyone—even if they claim to be bank officials.
2. Verify caller identity independently before acting on any payment requests.
3. Reject urgent payment requests from unknown contacts or unexpected sources.
4. Use only official UPI apps or those recommended by your bank.
5. Avoid clicking on links or scanning QR codes received unexpectedly via WhatsApp or SMS.
6. Set transaction limits on your UPI app and enable biometric authentication if available.
7. Regularly monitor bank statements and UPI app notifications for unusual activities.

What to Do If You've Been Targeted

1. Immediately block your UPI app or disable UPI payments via your bank’s app or customer care.
2. Contact your bank’s fraud helpline to report the unauthorised transaction.
3. File a cybercrime complaint at cybercrime.gov.in or through the police station.
4. Call the 1930 cybercrime helpline or your local police to report the fraud.
5. Change all your banking-related passwords, PINs, and linked mobile numbers if necessary.
6. Inform your mobile service provider if you suspect SIM swap fraud.
7. Keep all relevant transaction details, messages, and call records for investigation.

Frequently Asked Questions

Q1: Can this UPI fraud-proof model completely stop scammers?
While promising, no model guarantees 100% prevention. This fraud-proof model enhances detection but should be used alongside safe practices and official bank safeguards.

Q2: What should I do if I receive a UPI payment request from a friend’s number asking for money urgently?
Always verify by calling them directly on a known number. Scammers often spoof or hijack contacts to impersonate friends.

Q3: Can UPI transactions be reversed after fraud occurs?
UPI payments are usually instant and irreversible, but banks may offer refunds in genuine fraud cases if reported promptly with proper police complaints.

For help verifying suspicious messages or to report potential fraud, visit BharatSecure.app or call the 1930 cybercrime helpline.

Disclaimer: This article describes a pattern of fraud reported in public sources for public-safety awareness. It is not legal, financial, or medical advice. To request correction or removal of any content, write to hello@bharatsecure.app.