In today’s digital age, your home Wi-Fi network is the gateway to your online world — whether it is for streaming movies, attending online classes, managing your smart devices like cameras and lights, or making digital payments. However, an unsecured Wi-Fi network can be an open door for unauthorized individuals, commonly known as hackers, putting your personal information, like bank details or passwords, at risk. For Indian households, where multiple family members and various devices connect to the same Wi-Fi, securing it is essential. This article explains simple, practical steps to keep your home Wi-Fi safe, even if you are not a technology expert.
Your Wi-Fi network connects nearly all your digital devices, from smartphones and laptops to smart TVs and even modern kitchen appliances. If it is not secure, several serious risks can arise:
Hackers can steal your personal data: Unauthorized individuals can gain access to your connected devices and steal sensitive information such as your passwords, bank account details, personal photos, or even your identity.
Your internet connection can become very slow: If unauthorized users connect to your Wi-Fi network without your knowledge, they will consume your internet bandwidth. This can make your online activities sluggish, causing buffering during streaming or slow downloads.
Your devices can be harmed by malware or viruses: An unsecured network can be a pathway for malicious software (malware) or viruses to infect your computers, smartphones, and other connected devices, leading to data corruption or complete system failure.
Your privacy is at significant risk: Hackers can monitor your online activities, tracking which websites you visit, which apps you use, and even what you type. This compromises your privacy and can be used for targeted scams.
Your network can be used for illegal activities: If someone uses your unsecured Wi-Fi network to conduct illegal activities, those actions could be traced back to your internet connection, potentially leading to legal trouble for you.
With affordable internet plans from providers like Jio, Airtel, or BSNL, Wi-Fi is a common feature in most Indian homes. However, many users skip basic security steps, leaving their networks vulnerable. Let us explore how to protect your Wi-Fi with easy-to-follow tips.
When you acquire a new Wi-Fi router from your internet service provider (ISP), such as Jio, Airtel, BSNL, or ACT, it comes with a default username and password. These are often simple and well-known combinations like "admin/admin" or "user/password". Hackers are aware of these common defaults and can easily gain access to your router's settings if you do not change them.
192.168.0.1
, 192.168.1.1
, or 192.168.1.254
).If you are unsure about the IP address or default login credentials, check the router’s box or contact your internet provider’s customer care (e.g., Airtel at 121 or Jio at 1800-889-9999). Be aware that some ISPs retain remote access to your router for support and updates, but you should still change the local administration password.
Your Wi-Fi password, also known as the network security key or passphrase, is distinct from the router's administration password. This is the password you enter on your phone, laptop, or smart TV to connect to your Wi-Fi network. Many people use simple, easily guessable passwords like "12345678" or their phone number, which hackers can crack in minutes.
Log in to your router (as explained in Step 1, using your newly set admin password).
Find the Wi-Fi settings: Look for a section often labeled "Wireless Settings", "Wi-Fi Setup", "WLAN", or "Security Settings".
Update devices: After saving the new Wi-Fi password, all your currently connected devices (phones, laptops, smart TVs, etc.) will lose their connection. You will need to reconnect them by entering the new password.
Avoid using common Indian names, festivals, or popular phrases (e.g., "Sharma123" or "JaiHind@2025"). A truly unique and complex password is much harder for automated tools to crack.
Encryption scrambles your Wi-Fi data as it travels between your devices and the router, making it unreadable to anyone without the correct key (your Wi-Fi password). Without strong encryption, unauthorized individuals can easily intercept and understand your internet traffic. Older routers may use WEP or WPA, which are very weak and easily broken. Modern routers support WPA2 or WPA3, which are significantly more secure.
Log in to your router.
Save changes: Your router will likely restart, and your devices may need to reconnect after this change.
If your router is an older model (e.g., from BSNL or older Airtel models), it may only support WPA2. If that is the case, ensure you are using WPA2-PSK (AES). For optimal security, consider upgrading your router if it does not support WPA3 or WPA2 (AES).
Your Wi-Fi network name, also known as the SSID (Service Set Identifier), is usually visible to everyone nearby, often appearing as "Airtel_1234" or "JioFiber-XXXX". Hiding it means your network will not appear in the list of available Wi-Fi networks on devices. This makes it slightly harder for casual observers to find and target your network, though it is not a foolproof security measure.
Log in to your router.
Connect devices manually: After saving, your devices will no longer automatically detect your network. You will need to manually enter your Wi-Fi name (SSID) and password on each device to connect.
Hiding your SSID can be especially useful in crowded areas like apartment complexes, where many Wi-Fi networks are visible, reducing casual curiosity. However, specialized tools can still detect hidden SSIDs, so it is an additional layer, not a primary defense.
Routers run specialized software called firmware. Just like the apps on your phone or the operating system on your computer, this firmware can have security bugs or weaknesses that hackers can exploit. Router manufacturers regularly release updates (new firmware versions) to fix these vulnerabilities and improve performance.
Power cuts are common in some Indian cities and rural areas. Ensure your router is connected to a UPS (Uninterruptible Power Supply) or wait for a period of stable electricity before starting a firmware update to avoid interruptions that could damage the router.
When friends or family visit, they often ask for your Wi-Fi password. Sharing your main Wi-Fi password can be risky, as their devices might unknowingly carry malware or viruses that could then spread to your home network. A guest network provides a separate, isolated internet connection for visitors, keeping your main network secure.
Log in to your router.
Limit access: Most guest network features allow you to configure them to block access to your main network's devices (like your laptops, smart TVs, or connected storage). Ensure this isolation setting is enabled.
Guest networks are excellent for festive gatherings (e.g., Diwali, Eid, Christmas, or weddings) when many visitors might need temporary Wi-Fi access. This allows you to provide internet without compromising your core home network security.
DNS (Domain Name System) is like the internet's phonebook, translating website names (like google.com) into numerical IP addresses that computers understand. Hackers can sometimes manipulate DNS to trick you into visiting fake websites (e.g., a fake bank site) even if you type the correct address, aiming to steal your information. Using secure DNS providers helps block access to known malicious sites.
Log in to your router.
1.1.1.1
and Secondary DNS to 1.0.0.1
(these are Cloudflare’s secure and fast DNS servers).9.9.9.9
for Primary DNS and 149.112.112.112
for Secondary DNS (Quad9, which specifically blocks known malicious domains).Save changes: Your router will usually restart after this, and all devices connected to it will then use the new secure DNS settings.
This step is especially useful for protecting against phishing scams targeting Indian banks like SBI, HDFC, or ICICI, as secure DNS can prevent you from reaching fake login pages.
Some routers come with a feature called "Remote Management" or "Remote Access" enabled by default. This allows you to log in and change router settings from outside your home network, for example, from a cafe or office. While seemingly convenient, this feature can be a significant security risk, as it provides a potential entry point for hackers to try logging into your router from anywhere in the world.
Log in to your router.
Save changes.
If you are unsure about this setting or cannot find it, it is best to call your internet provider’s customer care helpline for assistance in disabling this feature. Most home users do not require remote management.
The increasing number of smart devices in Indian homes – from smart bulbs and security cameras to speakers and smart plugs – all connect to your Wi-Fi network. While convenient, if these "Internet of Things" (IoT) devices are not secured, they can become weak points in your network, providing an easy entry for hackers.
Update device apps and firmware regularly: Ensure that the mobile apps used to control your smart devices (e.g., Mi Home, Google Home, Philips Hue app) are updated to their latest versions. Also, check for and install firmware updates for the smart devices themselves through their respective apps.
Use strong, unique passwords for each smart device: Many smart devices use simple default passwords or allow easy setup without a strong password. Change these defaults immediately to unique, strong passwords.
Isolate devices (if your router supports it): Some advanced routers allow you to create separate network segments (VLANs) or put smart devices on the guest network. This isolates them from your main network, so if a smart device is compromised, it cannot easily affect your computers or phones. Check your router's advanced settings or consult your provider.
Popular brands in India like Xiaomi, Philips Hue, Amazon Alexa, and Google Assistant devices regularly release updates. Make it a habit to check their apps monthly for available updates and security patches.
Even with strong passwords, it is possible for unauthorized individuals or neighbors to connect to your Wi-Fi without permission, perhaps through a brute-force attack or by social engineering. This can result in slow internet speeds and potential data theft.
Log in to your router.
Beyond the main steps, here are some additional actions you can take to make your home Wi-Fi network and your online activities even more secure:
Your router might have a feature called WPS (Wi-Fi Protected Setup). It is designed to make connecting new devices very easy, sometimes by just pressing a button on the router itself, or by entering a short 8-digit PIN. However, this convenience comes with a security risk. WPS has known weaknesses that could potentially allow a hacker to guess your Wi-Fi password more easily, even if your password is very strong. It is safer to turn this easy-connect feature off and connect devices by manually entering your full Wi-Fi password.
How to do it: Log in to your router (as explained in Step 1). Look for a setting named "WPS" under "Wireless" or "Security" settings, and choose to disable it. Save your changes.
Think of a VPN as creating a secure, secret tunnel for your internet activity. When you use a VPN, everything you do online – like Browse websites, checking your bank account, or sending messages – travels through this encrypted tunnel. This makes it very difficult for anyone to see what you are doing or steal your information, especially if you are using public Wi-Fi at places like cafes, airports, or railway stations. While your home Wi-Fi is already encrypted if you have followed the earlier steps, a VPN adds an extra layer of privacy and security by hiding your online identity and activities from your internet provider and other online trackers.
Where to set it up: For most people, the easiest way to use a VPN is by installing a VPN app directly on each device you want to protect, such as your smartphone, laptop, or tablet. You simply download the app from the app store, sign in to your VPN service, and turn it on. While it is possible to set up a VPN directly on some Wi-Fi routers, this is a more complex process and not all home routers support it. Usually, it requires special router firmware or a router designed for VPNs, which is not common for standard routers provided by internet service providers in India. For simplicity and flexibility, using a VPN app on your devices is generally recommended for home users.
How to do it: You will need to subscribe to a reputable VPN service (like NordVPN or ExpressVPN). You then download and install their app on your phone or computer and turn it on when you want to use the secure tunnel.
Just like your phone or computer sometimes needs a fresh start to fix small problems and keep running smoothly, your Wi-Fi router also benefits from a regular restart. This simple action helps to clear out any temporary errors, ensures the router is operating efficiently, and can sometimes even allow it to apply minor security updates that improve its performance and protection. It is like giving your router a fresh start.
How to do it: Simply unplug your router's power cable from the electrical socket. Wait for about 30 seconds to a minute, and then plug it back in. Your router will restart, and your Wi-Fi connection will come back online. It is a good practice to do this once a month.
Your Wi-Fi router is a small computer that controls your home internet connection. If someone can physically get to your router, they might be able to press buttons, reset it to its factory settings (which removes all your security changes), or even plug in a device directly to access your network without your permission. It is important to treat your router like any other valuable device.
How to do it: Place your router in a safe and central location inside your home, where it is not easily accessible to unauthorized individuals. Avoid placing it near an open window or door where someone from outside could potentially reach it.
Your internet service provider (ISP), such as Jio, Airtel, BSNL, or ACT, knows your specific router model and network very well. If you ever feel that your Wi-Fi is not working correctly, suspect that someone has hacked into it, or if you are simply unsure about how to change a specific setting mentioned in this guide, please do not hesitate to call their customer support. They can guide you through the necessary steps or even troubleshoot problems remotely to help you secure your network.
How to do it: Keep your ISP's customer care number handy (e.g., Jio at 1800-889-9999 or BSNL at 1800-345-1500) and call them if you need assistance with any Wi-Fi security steps or encounter unusual activity.
Securing your home Wi-Fi network does not require advanced technical expertise — just a few simple, consistent steps. By diligently changing default passwords, enabling the strongest encryption available, managing guest access, configuring secure DNS, and keeping your router's software updated, you can significantly protect your family’s online activities from hackers and unauthorized access.
In India, where digital payments like UPI and online shopping continue to grow exponentially, a secure Wi-Fi network is paramount to keeping your personal and financial information safe. Take 30 minutes today to follow these steps, and enjoy peace of mind knowing your Wi-Fi is protected.
If you need help, do not hesitate to contact your internet provider or a trusted local technician. Stay safe and surf smart!
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Rajeev Kumar is the primary author of How2Lab. He is a B.Tech. from IIT Kanpur with several years of experience in IT education and Software development. He has taught a wide spectrum of people including fresh young talents, students of premier engineering colleges & management institutes, and IT professionals.
Rajeev has founded Computer Solutions & Web Services Worldwide. He has hands-on experience of building variety of websites and business applications, that include - SaaS based erp & e-commerce systems, and cloud deployed operations management software for health-care, manufacturing and other industries.