What to do if your wifi is hacked? Identify and Protect Your Network

Arsalan Rathore

Arsalan Rathore

November 21, 2024
Updated on November 21, 2024
What to do if your wifi is hacked? Identify and Protect Your Network

Wi-Fi hacking isn’t just a technical buzzword; it’s a real threat that can disrupt lives and businesses. Hackers target unsecured or weakly protected networks to infiltrate your digital world, often without your knowledge. The consequences of such an attack can be far-reaching, from identity theft and financial loss to compromising the security of your connected devices.

Imagine this: someone gains access to your home Wi-Fi and intercepts the login credentials for your online banking account. Worse still, they use your network to launch malicious attacks or download illegal content, leaving you with the repercussions. Hackers could also infiltrate your smart home devices, such as security cameras or baby monitors, turning your private space into a surveillance target.

These are not isolated scenarios. With advancements in hacking tools, even amateur cybercriminals can exploit outdated routers, weak passwords, or unsecured networks. This isn’t just a privacy issue, it directly threatens your personal and financial well-being.

When your Wi-Fi is hacked, every second counts. Delaying action gives hackers more time to access sensitive data, disrupt your devices, or use your network for further attacks. Taking immediate steps to secure your network can limit the damage and stop the hacker in their tracks. Equally crucial is adopting preventive measures to ensure your Wi-Fi isn’t an easy target in the future.

This guide identifies the signs of a hacked Wi-Fi network, detailed steps to resolve the issue, and proactive strategies to protect your network. Wi-Fi hacking may be a growing problem, but with the proper knowledge and tools, you can stay one step ahead of cybercriminals. Let’s get started.

Read Also: How to Connect to McDonald’s Free WiFi Login Securely

Can Hackers Hack Your WiFi?

If you’re asking, “Can your Wi-Fi get hacked?” the answer is yes, especially if you’re not taking the proper steps to secure your network. hackers can hack your Wi-Fi if it’s not adequately secured. A Wi-Fi network that lacks strong protection is vulnerable to various cyberattacks.

Once a hacker gains access to your network, they can steal sensitive data, spy on your online activities, or use your internet connection for malicious purposes. In some cases, hackers might even launch attacks on other connected devices, making it crucial to secure your Wi-Fi to avoid widespread damage.

Here are several methods that hackers may use to compromise your Wi-Fi:

1.   Brute Force Attacks

Hackers can use automated tools to guess weak or common Wi-Fi passwords by trying a large number of combinations until they find the correct one. If your password is simple or uses common words, your network is at risk.

2.   Exploiting Weak Encryption

Older Wi-Fi encryption standards, such as WEP (Wired Equivalent Privacy), are easily crackable. Hackers can use specialized software to break through these encryption methods in minutes, gaining full access to your network. WPA2 and WPA3 are more secure, but if you’re using outdated encryption, your network remains vulnerable.

3.   Social Engineering

Hackers can attempt WiFi password hacking by tricking you into revealing your Wi-Fi password through social engineering tactics, such as phishing emails or phone calls pretending to be from your ISP (Internet Service Provider). This method preys on human error and gullibility rather than technical vulnerabilities.

4.   Rogue Routers or Evil Twins

This attack involves setting up a fake Wi-Fi network that appears to be legitimate (often using the same SSID or network name as yours). Once you connect to this rogue network, hackers can intercept your internet traffic and steal data. They may also use this method to access your Wi-Fi network.

5.   Device Vulnerabilities

If one of your connected devices (such as a laptop, smartphone, or smart home device) has security flaws, hackers can exploit those vulnerabilities to gain access to your network. Once inside, they can bypass the router’s security and gain control over the entire network.

Now that you know how your Wi-Fi can be hacked, the next question will be how to check if my internet is hacked. So, without further ado, let’s get to that.

9 Signs Your Wi-Fi Might Be Hacked

Wi-Fi hacking often goes unnoticed until significant damage has been done, as hackers aim to operate discreetly. However, subtle signs can indicate that your network has been compromised. Recognizing these signs early is crucial for safeguarding your data and devices. So, how to tell if your wifi is hacked? Below are the detailed indicators that your Wi-Fi might have been hacked:

1. Unexplained Slow Internet Speeds

A sudden and persistent slowdown in your internet speed could indicate unauthorized users are consuming your bandwidth. Hackers often use compromised networks to download large files, stream content, or carry out high-bandwidth activities like torrenting or botnet operations. If speed issues persist despite troubleshooting with your Internet Service Provider (ISP), it may point to unauthorized access.

2. Unknown Devices Connected to Your Network

Hackers or unauthorized users often connect their devices to your network. Modern routers allow you to view a list of connected devices through the admin interface. Your Wi-Fi may have been breached if you notice devices with unfamiliar names, IP addresses, or MAC addresses.

For instance, a device with a name like “Unknown” or “Generic Device” in your connected devices list should raise suspicion, as many hackers use generic identifiers to mask their presence.

3. Unexpected Spikes in Data Usage

If your monthly data usage skyrockets without changing your browsing habits, this is a red flag and one of the signs your internet is tapped. Hackers might be:

  • Streaming videos or downloading large files.
  • Using your network to send spam emails or launch attacks.
  • Engaging in illegal activities like hosting pirated content.

4. Frequent Connection Drops or Network Instability

An unstable Wi-Fi connection, characterized by frequent disconnections, could indicate interference from unauthorized users. Hackers manipulating or overloading the network with their activities can cause these issues. Such behavior is especially suspicious if other network settings and your ISP confirm everything is normal.

5. Changes to Router Settings

Hackers often tamper with router configurations to maintain access to the network. Signs of such tampering include:

  • A changed SSID (Wi-Fi network name).
  • A modified Wi-Fi password that you didn’t reset.
  • Port forwarding or firewall rules you didn’t create.
  • Altered DNS settings, which can redirect your traffic to malicious websites.

6. Redirects to Suspicious Websites or Pop-ups

Hackers exploiting your Wi-Fi can intercept your browsing sessions and redirect you to malicious websites. This may result in:

  • Frequent pop-ups or ads, even on websites usually don’t display them.
  • Redirects to phishing pages that mimic legitimate websites to steal credentials.
  • Unexpected warnings from your browser about unsafe connections.

7. Unauthorized Software or Apps

A hacked Wi-Fi network may be used to push malware onto connected devices. Look for:

  • New apps or programs on your devices that you didn’t install.
  • Browser extensions that appear without your consent.
  • Unexplained changes in device behavior, such as sudden system crashes or increased CPU usage.

8. ISP Warnings About Unusual Activity

Your ISP may alert you to abnormal network behavior, such as:

  • Excessive data consumption.
  • Suspicious outbound traffic.
  • Reports of malicious activity originating from your IP address.

9. Suspicious Email or Account Activity

If hackers have intercepted your Wi-Fi, they might also be accessing sensitive accounts. Indicators include:

  • Password reset emails you didn’t request.
  • Notifications of login attempts from unknown locations.
  • Accounts are being locked due to failed login attempts.

Immediate Steps to Take if Your Wi-Fi is Hacked

If you suspect your Wi-Fi has been hacked, immediate and precise action is critical to preventing further damage and securing your network. You should know what to do if your wifi is hacked. Hackers can exploit your connection to access personal data, install malware, or conduct illegal activities under your IP address. Below is a step-by-step guide on how to respond if you find your Wi-Fi compromised.

1. Disconnect Devices from Your Network

When you identify unusual activity or signs of a hack, the first step is to disconnect all devices from your Wi-Fi network. This includes:

  • Laptops, smartphones, tablets, and any smart home devices.
  • IoT devices, such as smart thermostats, security cameras, or voice assistants, which are prime targets for hackers.

2. Reboot Your Router

Rebooting your router is a simple yet effective way to temporarily interrupt the hacker’s access. This action doesn’t eliminate the threat entirely, but it can force the hacker to re-establish their connection. Here’s how to reboot your router safely:

  • Unplug your router from the power source and leave it off for at least 30 seconds.
  • Reconnect the power, and allow the router to restart fully.

3. Reset Your Router to Factory Settings

If the hack appears to have changed your router’s settings, such as the Wi-Fi password, DNS, or firewall configurations, a factory reset is a necessary measure. This will erase all previous configurations and restore the device to its original settings. Here’s how you can reset the router:

  • Find the reset button on your router (typically a small, recessed button).
  • Press and hold the reset button for about 10-30 seconds until the router’s lights blink or change color.
  • Once the router resets, you must reconfigure the Wi-Fi settings, including creating a new network name (SSID) and password.

Note: After the reset, ensure you’ve updated the router’s firmware to the latest version to eliminate known vulnerabilities.

4. Change Your Wi-Fi Password and Router Admin Credentials

When your network is compromised, the attacker likely has access to your Wi-Fi credentials. Changing the password immediately is crucial in cutting off the hacker’s access. Here’s how to do it securely:

  • Log into the router’s admin panel (usually accessible by typing your router’s IP address into a browser; shared IPs are 192.168.0.1 or 192.168.1.1).
  • Change the Wi-Fi password to a robust and unique password. Avoid common phrases or easily guessable combinations.
  • Change the router’s admin password as well. Hackers may have altered this to regain future access. Create a robust password here, too, using a mix of numbers, letters, and special characters.

5. Update Router Firmware

Many router vulnerabilities stem from outdated firmware, which attackers can exploit. Hackers may already have ways to bypass security protocols if your router is running old firmware. Updating your router firmware ensures you have the latest security patches and features. Here’s how:

  • Log into the router’s admin interface.
  • Navigate to the Firmware Update or Maintenance section.
  • Follow the instructions to check for and install available updates.

6. Check the List of Connected Devices

Review the list of devices connected to your router to detect any unauthorized ones. Modern routers allow you to see a real-time list of connected devices through the admin panel. Here’s how to proceed:

  • Open the Device List or LAN Status section in your router settings.
  • Look for any unfamiliar device names or IP addresses.
  • Disconnect or block any unknown devices from the network.

7. Monitor Data Usage for Abnormal Activity

Hacked networks often experience increased data consumption, especially if the hacker downloads large files, streams content, or engages in illegal activities. Keep an eye on your data usage to spot any unusual spikes that could indicate further compromise. Many ISPs and router admin panels provide access to data usage reports, where you can review patterns over the past month.

If you notice abnormal data usage, note it and check with your ISP for a more detailed report of any suspicious activity from your IP address.

8. Run Malware Scans on Your Devices

Once you’ve secured your Wi-Fi, you must ensure your devices haven’t been infected by malware. Hackers often use network vulnerabilities to push malicious software to connected devices. Use reputable antivirus software to scan all devices connected to your Wi-Fi.

9. Notify Your Internet Service Provider (ISP)

After securing your Wi-Fi network, you must report the incident to your ISP. They can assist with monitoring your network for unusual activity, identify any weaknesses, and guide you on additional steps to secure your connection. Your ISP might even offer to replace your router if a known vulnerability caused the breach.

They may also offer insight into whether the attack is part of a larger trend affecting users in your area.

10. Review Security Features and Update Your Settings

Now that the immediate threat has been addressed, further strengthen your Wi-Fi security to prevent future breaches. Some of these measures include:

  • Enable WPA3 Encryption: If your router supports WPA3, use it for more robust encryption.
  • Disable WPS (Wi-Fi Protected Setup): WPS is a known vulnerability that can make it easier for attackers to guess your password.
  • Set Up a Guest Network: Separate guest devices from your main network to limit exposure.

How to Secure Your Wi-Fi Against Future Hacks

Securing your Wi-Fi against future hacks is essential in today’s digital world, where cyber threats are becoming increasingly sophisticated. Once you’ve taken immediate steps to resolve a Wi-Fi hack, it’s time to focus on fortifying your network to prevent future breaches. With a few essential practices, you can enhance the security of your Wi-Fi network and reduce the risk of cybercriminals gaining access. Here are key strategies to ensure your network stays safe.

1. Use Strong, Unique Passwords for Your Wi-Fi and Router Admin Panel

The first line of defense in securing your Wi-Fi is creating a strong password. If your Wi-Fi password is weak or predictable, it is easier for attackers to guess. Here’s how to strengthen your passwords:

  • Wi-Fi Password: Use a complex, unique password with at least 12 characters. Include a combination of uppercase and lowercase letters, numbers, and symbols. Avoid using easily guessable information like names, birthdates, or common phrases.
  • Router Admin Password: Don’t rely on the default admin password provided by the manufacturer. This can often be found in the router’s manual or online, making it an easy target for hackers. Create a unique password for your router’s admin panel, ensuring it is equally strong and complex.

Using different passwords for the Wi-Fi network and the router’s admin panel will add an additional layer of security, reducing the chance of a breach.

2. Enable WPA3 Encryption

Wi-Fi encryption protocols are crucial for protecting your data from unauthorized access. WPA3 is the latest and most secure Wi-Fi encryption standard, offering enhanced protection over its predecessor, WPA2. Some older routers may only support WPA2, but upgrading to a WPA3-capable router is highly recommended for the highest security level.

WPA3 offers more robust encryption methods, protection against dictionary attacks, and stronger defenses against offline password-guessing attempts. Access your router’s admin panel and check the security settings. If WPA3 is available, select it from the encryption options. If not, consider upgrading your router to one that supports WPA3.

3. Disable WPS (Wi-Fi Protected Setup)

Wi-Fi Protected Setup (WPS) is a feature designed to make connecting devices to your network easier, but it also creates a security vulnerability. WPS allows devices to connect to your network with a PIN, but this PIN can be cracked using brute-force methods, making it an easy target for hackers.

Log into your router’s admin panel and navigate to the settings for WPS. Disable this feature to close off this potential vulnerability.

4. Change Default Router Settings

Manufacturers often ship routers with default settings, easily found online or in manuals. Hackers often exploit these known settings, making it crucial to modify them. Your router’s SSID (Service Set Identifier) is the name of your network. Change it from the default (often the router’s model name) to something unique. This makes it harder for hackers to identify your router and exploit vulnerabilities.

Many routers allow remote management, which lets you access your router’s settings from anywhere. However, this can create a backdoor for hackers if they manage to find your login credentials. Disable remote management unless necessary.

Ensure that your router’s built-in firewall is enabled to block unauthorized traffic. Some routers also have intrusion detection systems that notify you if malicious activity is detected on your network.

5. Update Your Router’s Firmware Regularly

One of the most common ways hackers exploit routers is by targeting outdated firmware. Router manufacturers frequently release firmware updates to fix security vulnerabilities. If your router is running outdated firmware, you may be leaving it exposed to known threats.

Check your router’s admin panel for an option to update the firmware. Most modern routers will automatically check for updates, but verifying manually is crucial, significantly if you’ve recently changed settings or experienced a security breach.

If possible, enable automatic updates for your router’s firmware to ensure it is always up-to-date with the latest security patches.

6. Use a VPN to Encrypt Your Internet Traffic

If your Wi-Fi has been compromised, securing your network with a VPN is one of the most effective measures you can take. A VPN encrypts your internet traffic, preventing hackers from intercepting or reading any data sent over your connection. This is particularly important if your Wi-Fi network has been exposed, as it ensures that even if attackers have access to your network, they cannot easily access sensitive information like passwords, bank details, or personal messages.

A VPN creates an encrypted “tunnel” for your data, ensuring that your internet activity remains private and secure, even on a compromised network. This added layer of protection is crucial for securing your home Wi-Fi and safeguarding your personal information against potential threats.

7. Set Up a Guest Network for Visitors

Allowing guests to connect to your primary Wi-Fi network is risky, exposing your main devices and data to potential threats. Setting up a guest network allows visitors to access the internet without accessing your devices or files.

A guest network creates a separate connection for non-essential devices like smartphones, laptops, or IoT devices. This ensures that your primary network remains secure even if a guest device is compromised. Most modern routers allow you to configure a guest network. Access your router’s settings and enable the guest network feature, creating a separate SSID and password.

8. Monitor Your Wi-Fi for Unusual Activity

Regularly monitoring your Wi-Fi network helps you stay alert to any unusual activity that could indicate a security breach. Many routers offer features like activity logs or real-time device monitoring, allowing you to track who is connected to your network.

How do we monitor activity?

Check the list of connected devices in your router’s admin panel to identify unfamiliar devices. Also, watch your data usage for spikes, which might indicate suspicious activity.

FAQs

Does resetting a router get rid of hackers?

Yes, resetting your router can help remove hackers by clearing unauthorized access. It restores the router to factory settings, eliminating any malicious configurations. However, you should also change the default password to a strong, unique one to prevent future intrusions.

Can someone hack your Wi-Fi if they have your password?

Yes, if someone has your Wi-Fi password, they can gain access to your network. This allows them to monitor your activity, steal data, or use your bandwidth for malicious purposes. It’s essential to use a robust and complex password and update it regularly.

Can you tell if someone is stealing your Wi-Fi?

Yes, there are signs that someone may be using your Wi-Fi, such as slow internet speeds, unusual data usage, or devices appearing on your network that you don’t recognize. Some routers offer an admin panel where you can see connected devices.

Does changing Wi-Fi passwords stop hackers?

Changing your Wi-Fi password can stop hackers if they are using the old password. It’s a quick way to lock them out, but you should also ensure your password is strong and use WPA3 encryption for better security.

Can public Wi-Fi hack you?

Yes, public Wi-Fi networks are often unsecured and can expose you to risks like man-in-the-middle attacks, where hackers intercept your data. It’s best to use a VPN when connecting to public Wi-Fi to protect your privacy and prevent hacking.

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About The Author

Arsalan Rathore

Arsalan Rathore is a tech geek who loves to pen down his thoughts and views on VPN, cybersecurity technology innovation, entertainment, and social issues. He likes sharing his thoughts about the emerging tech trends in the market and also loves discussing online privacy issues.

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