How does fraud happen using public wifi?

A step-by-step understanding to know how fraud can take place using a public wifi
How does fraud happen using public wifi?
3 min
03-June-2025
In today's digital age, staying connected is essential. Whether it's checking emails at a café, accessing bank accounts on the go, or browsing social media at airports, public Wi-Fi networks offer convenience. However, this convenience comes with significant risks. Public Wi-Fi networks are often unsecured, making them prime targets for cybercriminals. In India, with the rapid expansion of digital infrastructure and increased internet penetration, the use of public Wi-Fi has surged. Unfortunately, many users remain unaware of the potential threats these networks pose.

Cyberattacks such as data interception, malware distribution, and identity theft are prevalent on unsecured networks. Hackers can exploit vulnerabilities to access sensitive information, leading to financial losses and compromised personal data. Understanding the risks associated with public Wi-Fi is crucial for safeguarding oneself in the digital realm.

This article delves into the dangers of public Wi-Fi, common threats users face, and practical steps to enhance public Wi-Fi safety. By staying informed and adopting recommended practices, individuals can enjoy the benefits of connectivity without compromising their security.

Understanding the risks of public Wi-Fi

Public Wi-Fi networks, commonly found in places like airports, cafés, hotels, and shopping malls, are often unsecured. This lack of security means that data transmitted over these networks can be easily intercepted by malicious actors. One of the primary public Wi-Fi risks is the absence of encryption, allowing hackers to monitor and capture data packets transmitted between a user's device and the internet.

Another significant threat is the potential for man-in-the-middle (MITM) attacks. In such scenarios, attackers position themselves between the user and the network, intercepting communications and potentially altering data. This can lead to unauthorized access to sensitive information, including login credentials and financial details.

Moreover, cybercriminals can set up rogue hotspots, mimicking legitimate networks to deceive users into connecting. Once connected, attackers can deploy malware, steal personal information, or redirect users to phishing websites. The proliferation of such tactics underscores the importance of public Wi-Fi safety awareness.

In India, where digital adoption is rapidly increasing, the risks associated with public Wi-Fi are particularly pertinent. Users must exercise caution and implement protective measures to mitigate these threats and ensure secure online experiences.

Common threats on public Wi-Fi networks

When connecting to public Wi-Fi networks, users may encounter several threats that compromise their security and privacy. Here are some common risks:

  • Man-in-the-middle (MITM) attacks: Attackers intercept communication between the user's device and the network, capturing sensitive data such as login credentials and personal information.
  • Evil twin hotspots: Cybercriminals create fake Wi-Fi networks that mimic legitimate ones, tricking users into connecting and exposing their data.
  • Malware distribution: Unsecured networks can be used to distribute malicious software, infecting devices and granting attackers unauthorized access.
  • Session hijacking: Attackers exploit vulnerabilities to take control of a user's active session, potentially accessing private accounts and information.
  • Data sniffing: Without encryption, data transmitted over public Wi-Fi can be intercepted and read by malicious actors using packet-sniffing tools.
  • Phishing attacks: Users may be redirected to fraudulent websites designed to steal login credentials and personal information.
  • Rogue access points: Unauthorized Wi-Fi access points can be set up to lure users into connecting, facilitating data theft and malware installation.
  • Unencrypted networks: Many public Wi-Fi networks lack encryption, making data transmitted over them vulnerable to interception.
  • Ad hoc networks: Devices may connect directly to each other without proper security measures, increasing the risk of data breaches.
  • Shoulder surfing: In public spaces, attackers may physically observe users entering sensitive information, such as passwords or PINs.
Being aware of these threats is the first step towards enhancing public Wi-Fi safety. Implementing protective measures can significantly reduce the risk of falling victim to cyberattacks.

What are evil twin hotspots and how do they work

Evil twin hotspots are fraudulent Wi-Fi networks set up by cybercriminals to mimic legitimate public Wi-Fi connections. These malicious networks often use names similar to trusted establishments, such as "Free Café Wi-Fi" or "Airport_Public," to deceive users into connecting.

Once a user connects to an evil twin hotspot, the attacker can monitor and intercept all data transmitted over the network. This includes sensitive information like login credentials, personal messages, and financial details. In some cases, attackers may redirect users to phishing websites designed to capture additional personal information.

Setting up an evil twin hotspot is relatively simple and requires minimal technical expertise. Attackers use readily available hardware and software to create these rogue networks, making them a prevalent threat in public spaces.

In India, where public Wi-Fi usage is on the rise, the risk of encountering evil twin hotspots is significant. Users must exercise caution and verify the authenticity of Wi-Fi networks before connecting. Employing security measures such as Virtual Private Networks (VPNs) and avoiding the transmission of sensitive information over public networks can help mitigate these risks.

Tips to protect yourself on public Wi-Fi

Ensuring public Wi-Fi safety requires proactive measures to safeguard personal information and devices. Here are some practical tips:

  • Use a VPN: A Virtual Private Network encrypts your internet connection, protecting data from potential eavesdroppers.
  • Verify network authenticity: Confirm the exact name of the Wi-Fi network with the establishment to avoid connecting to rogue hotspots.
  • Avoid accessing sensitive information: Refrain from logging into banking or other sensitive accounts while on public Wi-Fi.
  • Keep software updated: Regularly update your device's operating system and applications to patch security vulnerabilities.
  • Disable file sharing: Turn off file sharing options to prevent unauthorized access to your device.
  • Use HTTPS websites: Ensure websites use HTTPS, indicating a secure connection, especially when entering personal information.
  • Turn off auto-connect: Disable automatic connection to Wi-Fi networks to prevent unintended connections to malicious networks.
  • Enable firewall and antivirus protection: Use reputable security software to detect and block potential threats.
  • Log out after use: Always log out of accounts after use to prevent unauthorized access.
  • Monitor your accounts: Regularly check bank and credit card statements for unauthorized transactions.
By implementing these measures, users can significantly enhance their security when using public Wi-Fi networks.

Legal implications of public Wi-Fi fraud in India

In India, cybercrimes related to public Wi-Fi usage are addressed under various legal provisions. The Information Technology Act, 2000, and the Indian Penal Code (IPC) provide the legal framework to combat such offenses.

Section 66C of the IT Act deals with identity theft, where individuals fraudulently use others' personal information. Section 66D addresses cheating by personation using computer resources, applicable in cases like evil twin hotspot scams. Violations under these sections can lead to imprisonment of up to three years and fines.

Additionally, Sections 419 and 420 of the IPC pertain to cheating and dishonestly inducing delivery of property, which can be invoked in cases of financial fraud over public Wi-Fi networks. Convictions under these sections can result in imprisonment of up to seven years and fines.

Victims of public Wi-Fi-related cybercrimes can file complaints with the Cyber Crime Cell or report incidents through the National Cyber Crime Reporting Portal (https://cybercrime.gov.in/). Prompt reporting and cooperation with law enforcement agencies are crucial for effective legal recourse.

Impact on financial services and online banking

The proliferation of public Wi-Fi networks has transformed how individuals access financial services and conduct online banking. While offering convenience, these networks also introduce significant security risks.

Unsecured public Wi-Fi can be exploited by cybercriminals to intercept sensitive financial information, including login credentials and transaction details. Such breaches can lead to unauthorized access to bank accounts, resulting in financial losses for individuals.

Impact on financial services and online banking

Financial institutions in India have acknowledged these risks and implemented measures to strengthen digital security. Banks use multi-factor authentication (MFA), end-to-end encryption, and secure login protocols to protect customer data. However, these safeguards can still be bypassed if a user accesses their account over an unsecured or malicious public Wi-Fi network.

Additionally, online banking apps and mobile wallets are particularly vulnerable when used on public networks. Cybercriminals can deploy spyware or intercept data packets, gaining access to OTPs, passwords, and account numbers. In many cases, users are unaware that their devices have been compromised until fraudulent transactions are noticed.

These attacks not only result in monetary loss but can also damage a user's credit score, lead to emotional distress, and require time-consuming recovery efforts. Some victims may even face difficulties in recovering stolen amounts if it is proven that unsafe browsing practices contributed to the breach.

To mitigate these risks, financial institutions often issue safety advisories. Customers are advised to avoid accessing banking services on public Wi-Fi or to use secured networks with reliable VPNs. It is also essential to regularly update banking apps and monitor account activity for unusual behaviour.

Protecting financial data is a critical part of overall public Wi-Fi safety. As digital banking continues to expand in India, both users and institutions must adopt proactive security measures.

Conclusion: staying safe on public Wi-Fi

As public Wi-Fi becomes more accessible across India, understanding its risks is no longer optional—it is essential. While it offers the convenience of free internet on the move, it also opens doors to cyber threats that can have serious consequences on your privacy, data security, and finances.

The risks associated with public Wi-Fi—such as evil twin hotspots, man-in-the-middle attacks, and malware infections—can lead to identity theft, financial fraud, and data loss. These threats highlight the urgent need for public Wi-Fi safety awareness, especially in a country experiencing rapid digital transformation.

Users must adopt a proactive approach to stay protected. Simple practices such as verifying the authenticity of networks, using VPNs, keeping software updated, and avoiding sensitive transactions on public connections go a long way. Educating oneself on cybersecurity basics and staying informed about new threats is equally important.

Financial institutions and legal frameworks in India are evolving to counter such cybercrimes, but individual responsibility remains key. By making smarter choices and following best practices, users can enjoy the benefits of connectivity without falling victim to malicious actors.

In the end, staying safe on public Wi-Fi is about awareness, preparation, and vigilance. Make cybersecurity a part of your digital habits and secure your online presence wherever you go.

Frequently asked questions

How can I identify a fake Wi-Fi hotspot?
A fake Wi-Fi hotspot often has a name similar to legitimate networks but may lack password protection. Always confirm the correct network name with the establishment. Avoid connecting to open networks with generic names like “Free Wi-Fi”. Use a VPN and disable auto-connect settings to reduce the risk of falling prey to an “evil twin” hotspot.

Is it safe to access banking apps over public Wi-Fi?
Accessing banking apps over public Wi-Fi is highly risky. Unsecured networks make it easy for hackers to intercept login details, OTPs, and financial data. Even if the app is encrypted, data transmission can be compromised. Always use mobile data or a secured private network for banking transactions. Public Wi-Fi should be avoided for any sensitive financial activity.

Can using a VPN completely protect me on public Wi-Fi?
While a VPN significantly improves your online security by encrypting data, it is not foolproof. A VPN can protect against many common threats, but it cannot stop you from connecting to malicious websites or downloading infected files. It also cannot secure compromised devices. Use a VPN as one part of a broader public Wi-Fi safety strategy.

Are there specific apps that are more vulnerable on public Wi-Fi?
Yes, apps that transmit sensitive data—like banking apps, shopping platforms, or payment gateways—are more vulnerable. Social media and email apps can also expose personal information if not encrypted properly. Apps without strong security protocols or multi-factor authentication are at greater risk on unsecured public Wi-Fi. Always use apps with updated security features and strong privacy settings.

Show More Show Less

Disclaimer

While care is taken to update the information, products, and services included in or available on our website and related platforms/websites, there may be inadvertent inaccuracies or typographical errors or delays in updating the information. The material contained in this site, and on associated web pages, is for reference and general information purpose and the details mentioned in the respective product/service document shall prevail in case of any inconsistency. Subscribers and users should seek professional advice before acting on the basis of the information contained herein. Please take an informed decision with respect to any product or service after going through the relevant product/service document and applicable terms and conditions. In case any inconsistencies observed, please click on reach us.

*Terms and conditions apply

Bajaj Finserv App for All Your Financial Needs and Goals

Trusted by 50 million+ customers in India, Bajaj Finserv App is a one-stop solution for all your financial needs and goals.

You can use the Bajaj Finserv App to:

Apply for loans online, such as Instant Personal Loan, Home Loan, Business Loan, Gold Loan, and more.

Explore and apply for co-branded credit cards online.

Invest in fixed deposits and mutual funds on the app.

Choose from multiple insurance for your health, motor and even pocket insurance, from various insurance providers.

Pay and manage your bills and recharges using the BBPS platform. Use Bajaj Pay and Bajaj Wallet for quick and simple money transfers and transactions.

Apply for Insta EMI Card and get a pre-approved limit on the app. Explore over 1 million products on the app that can be purchased from a partner store on easy EMIs.

Shop from over 100+ brand partners that offer a diverse range of products and services.

Use specialised tools like EMI calculators, SIP Calculators

Check your credit score, download loan statements and even get quick customer support—all on the app.

Download the Bajaj Finserv App today and experience the convenience of managing your finances on one app.

Do more with the Bajaj Finserv App!

UPI, Wallet, Loans, Investments, Cards, Shopping and more