10 Tips to Secure Your IoT Devices from Hackers

Aboah Okyere – November 1, 2024

Collected at: https://www.iotforall.com/10-tips-to-secure-your-iot-devices-from-hackers

The Internet of Things (IoT) is transforming our routines and work environments through the integration of technology into various aspects of our lives. IoT devices like fridges and linked thermostats have become commonplace items that add comfort and boost multitasking. However, the spread of these gadgets in homes and offices has seen the protection of their security become a top issue. Ensuring your IoT devices are secure against hacks remains a significant worry for individuals leveraging this technology.

Cyber attackers frequently focus on devices due to their inadequate security measures—seeking out weaknesses to manipulate for nefarious intentions like data theft or initiating a Distributed Denial of Service (DDoS) attack. The significance of ensuring security remains crucial as incidents of cybercrime escalate on a worldwide scale.

In this article, I will share insights on how to protect your IoT devices from hackers. I’ll provide 10 tips to enhance your security measures including the use of robust passwords and encryption as well as the implementation of two-factor authentication. By adhering to these recommendations, you can significantly lower the risks related to using your IoT devices and establish a more secure digital setting.

1. Make Sure to Create a Strong and Unique Password

Protecting your IoT device starts with establishing password security measures as the cornerstone of defense against potential breaches by cyber attackers who often exploit weak passwords. Therefore it is essential to use secure and distinct passwords for every device you own.

Hackers frequently take advantage of default and easily guessed passwords to gain entry to your devices and sensitive information. A reliable password serves as the barrier against entry and plays a crucial role in safeguarding your IoT gadgets connected to your home network effectively.

To secure IoT devices, try using passwords with a length of 12 to 16 characters as they’re generally more secure due to their increased length.
Create a blend of capital and lowercase letters along with numbers and symbols to increase security against hacking attempts by making it more challenging for brute force attacks.
Choose phrases wisely to enhance security like avoiding terms such as “passwords” or “123456”. Instead, opt for passphrases that blend words together for added protection.
Utilize password managers. These applications assist in creating passwords. Securely storing them to alleviate the need for manual memorization of each one.
Remember to update your passwords frequently. Refrain from using the ones on multiple platforms for enhanced security measures.

2. Enable Encryption (HTTPS/TLS)

Securing data transmission between your IoT devices and other network components relies heavily upon encryption. A safeguard that jumbles data to prevent unauthorized access and maintain privacy for personal information like financial records or sensitive business data.

To protect your network effectively, ensure its security measures are in place and working well. Encryption protocols such as HTTPS or TLS are crucial. The use of encryption helps secure the data transmitted over the web by making it indecipherable to hackers who may attempt to intercept it.

How to Activate Encryption

Make sure your device is compatible by confirming whether your IoT gadget is equipped with HTTPS/TLS encryption; a feature commonly found in device configurations.

To adjust device settings, you can access them through the device’s web interface or mobile application by navigating to the “Security” or “Network” sections.
To enable HTTPS/TLS, search for “encryption” from settings. Turn on the option for HTTPS or TLS by either flipping a switch or checking a box.

Try out the connection by checking the encryption settings and then accessing the device using a browser. Make sure to look for “https://” in the URL to ensure a secure connection.

Enabling encryption greatly boosts your protection against cyber threats that aim at your devices on home networks.

3. Implement Two-Factor Authentication (2FA)

Two-factor authentication (2FA) is one of the best ways to protect your IoT devices from potential security breaches. This is a technique that is made of an extra layer of account safety which is usually a password and a second form of authentication. It requires the password the user knows, and also a second form of verification, for instance, an SMS code or QR code, which can be received through an authenticator application.

2FA Advantages

Extra Security Layer: Passwords still are a must for IoT devices’ protection. However, they can be compromised. 2FA makes passwords even harder to crack by requiring a second form of authentication, like a text message code, authentication app, or email confirmation.
Reduced Risk of Unauthorized Access: Even if the hackers determine the password for your account, they will still be haunted by the second factor if you use it as well.

4. Regularly Update Software/Firmware

Ensuring that your software is always updated for security is a measure to protect your devices from potential hacker attacks. Manufacturers typically provide updates that contain fixes for known vulnerabilities that might otherwise be abused by individuals. Neglecting these updates can make your devices vulnerable to security risks, hence, jeopardizing the safety of your home network.

To make sure you don’t give hackers any opportunities to exploit vulnerabilities in your system, security measures, and data privacy settings must be kept up to date. Software or firmware updates is a crucial task that you should stay on top of regularly.

Enable automatic updates. Several IoT devices provide the choice for automatic update activation. When you turn this feature ON, it guarantees that the recent fixes are implemented without the need for involvement, therefore saving you time and energy.
Make sure to check for updates if automatic updates are not an option, by establishing a routine schedule to do so regularly. This could involve accessing the device settings through its application or web interface.
Continuously check the manufacturer’s website to stay updated on the updates and installation instructions that are tailored to your device model.
Watch for any email notifications or alerts, from device makers regarding updates or security fixes.

5. Restrict Network Access via Firewalls/Segmentation

Securing IoT devices is crucial for safeguarding your home or workplace environment through network security measures like segmenting your network into parts to prevent unauthorized access to connected devices. This ensures that in case of a breach in one area doesn’t compromise all your devices simultaneously.

Firewalls play a role in enhancing the security of your network by providing an extra layer of protection. They act as a buffer—separating your network from threats and preventing malicious traffic while permitting genuine data exchanges. Several routers are equipped with built-in firewall functionalities that can be conveniently enabled for added security measures.

Things to Note

Make sure to activate the firewall on your router by logging into your router settings through a web browser and enabling the firewall option.
Consider incorporating third-party firewall solutions to bolster security by setting up specialized firewall software or hardware devices.
Check your firewall logs to keep an eye out for any activity that could signal someone trying to break into your system.

6. Disable Unnecessary Features

Disabling unnecessary functions in your devices can help reduce the chances of cyber attacks in IoT setups by shrinking potential areas that can be targeted by hackers’ malicious activities. Several devices have configurations that include options such as control and Universal Plug and Play (UPnP). Although these functions aim to provide convenience to users, they also introduce weaknesses that malicious actors might take advantage of.

Managing your device remotely is quite convenient since it lets you control it from anywhere. However, it can pose a security risk when not properly secured. Having UPnP enables devices on the network to connect seamlessly but its automated function can create vulnerabilities for access.

If you don’t need to access your device remotely, simply switch off the remote management feature using the toggle option found in the settings menu.
Make sure to review your router’s settings and switch off UPnP if it’s not essential for your configuration to avoid access to your network via this protocol.

7. Implement Hardware-Level Security Measures

Protecting your gadgets from cyber intrusions demands more than relying on software safeguards. It also involves implementing strong security measures at the hardware level. Some smart devices and sensors from manufacturers offer enhanced security features such as boot procedures and hardware-driven encryption to bolster their defenses further.

Secure Boot Procedures: This system makes sure that reliable software gets started when the device boots up. The secure boot procedures verify the software’s integrity to stop code from running and protect the device from firmware updates.
Hardware-Assisted Encryption: By using the encryption functions integrated into devices’ hardware components—this feature encrypts data directly at the hardware level, ensuring that sensitive information remains secure even if a hacker obtains physical access to the device.

8. Regularly Monitor/Audit Systems Activity

Keeping an eye on the actions of your devices is vital for safeguarding from possible dangers like cyber threats and breaches of security measures at home or in transmitting your data securely.

By keeping an eye on things consistently detects any behavior early on and may prevent a hacking incident from causing major harm.
By reviewing system logs, you can uncover information about how devices are functioning and the level of security in place. This can detect any unauthorized access or potential security breaches that may have occurred.

Tools and Software Choices

Network monitoring tools such as Wireshark or Nagios provide real-time analysis of network traffic to help identify any occurrences.
System log auditors, like Splunk or Loggly, help with managing logs to track device activities efficiently.
Leveraging tools such as Cisco IoT Threat Defense offers a method to oversee and address security risks.

9. Secure Physical Access

Securing the surroundings of your gadgets is as important as implementing digital security protocols. Devices such as cameras are gateways that house confidential information that is susceptible to unauthorized access or tampering.

Approaches

Use protective casings that are resistant to tampering.
Add security features to enclosures to help prevent threats and deter unauthorized access or tampering with your devices.
Place devices in easy-to-reach spots can help lower the chances of tampering or access control breaches. For example, mount surveillance cameras up high. Make sure entrances are inside areas away from windows and doors.

10. Examine Third-Party Services/Integrations

Ensuring the security of your network is essential. It’s important to examine third-party services and integrations as they can be potential vulnerabilities in your security setup if not thoroughly assessed.

Before integrating a third-party service into your system or application environment, make sure to conduct security assessments on them. This involves verifying their compliance with industry certifications and familiarizing yourself with how they handle and protect data. Utilizing resources like the guidelines outlined in the NIST Special Publication 800 53 can serve as a foundation for carrying out these assessments.

It’s important to be careful about trusting what vendors promise without verifying it yourself. What seems like a safe solution at first may bring in weaknesses over time. So, it’s crucial to keep checking. Don’t forget that overlooking this could lead to cybersecurity risks.

Make sure to check on these services even after you’ve first set them up. Get a look at updates and policy changes. Keep an eye out for any new security risks that could affect your overall security situation. Refer to guides like the Department of Defenses Risk Assessment guide for help, in carrying out these evaluations.

Conclusion

Securing your IoT devices from hackers is essential in today’s era as these gadgets have seamlessly integrated into our daily lives to provide convenience but also pose significant security threats that cannot be overlooked or taken lightly. Incorporating these tactics into your routine helps keep your business information secure and enhances the security of the Internet of Things (IoT) ecosystem.