Qualysec

BLOG

Common IoT Security Risks and How to Mitigate Them

Chandan Kumar Sahoo

Chandan Kumar Sahoo

Published On: June 6, 2025

chandan

Chandan Kumar Sahoo

August 29, 2024

Common IoT Security Risks and How to Mitigate Them
Table of Contents

The Internet of Things (IoT) is rapidly expanding in India. Devices such as smartwatches, home security cameras, connected cars, and industrial machines are now pervasive in our lives. IoT Security Risks offer many benefits by sharing data and working autonomously. However, along with those benefits, smart devices present serious security challenges.

 

Most IoT devices are designed with limited security functions. If a device is insecure, it is susceptible to being hacked or used in malicious ways. This may result in a loss of data, the ability to spy, or even damage systems as a result of the malicious act. In India, where the adoption of technology is exponential, securing IoT devices is critical.

In this blog, we will look at the most common IoT security risks and explain how to protect your devices. Whether you are a business owner or a regular user, knowing about these risks can help you stay safe and make better decisions.

What Is IoT Security Risks?

IoT Security Risks is several best practices and technologies used to protect networks and devices from potential cyber threats. These connected devices have low processing power and often lack strong built-in security, and can be vulnerable to attacks. So both manufacturers and users need to work together to protect the IoT devices, applying proper IoT security standards and practices.

Top Common IoT Security Risks

Top Common IoT Security Risks

As IoT (Internet of Things) devices continue to grow in popularity in both homes and businesses across India, it’s essential to know the risks involved. The intelligent devices in the IoT space can make life much easier, but they come with security risks. Let’s take a look at the most prevalent risks related to IoT security.

1. Weak Passwords and Login Security

The majority of IoT devices come with easily guessed default usernames and passwords. The majority of users forget to change these default names and/or passwords and thereby leave themselves vulnerable to hackers. Other devices do not request a password. This very low level of authentication makes for an easy attack vector to exploit the access and maliciously use the target IoT device.

2. No Regular Software Updates

Many IoT devices get infrequent (if any) updates for either the software or firmware. Older security issues are going to remain fixed, and hackers are going to use known bugs to exploit your device. Regularly updated devices are certainly going to be safer, but not all manufacturers provide those updates. This increases the demand for regular IoT security audit practices.

3. Low Processing Power

The CPU power and storage of an IoT device are small in comparison to a normal computer. Due to the limited memory and CPU power, it is not viable to implement a strong security tool, such as an antivirus or a firewall. IoT devices are left vulnerable to cybercrimes, where the cybercriminal can generally breach the basic protection level.

4. Unencrypted Data Transfer

Some IoT devices send and receive both information and data in the clear, unencrypted. This means an attacker on that network has access to anything sent to/from that device, so your sensitive information, such as your passwords, health data, and location data, is at risk. If this information is broadcast without encryption, then it becomes very easy for them to capture it and utilise that data inappropriately.

5. Using the Same Network for All Devices

Some users connect their IoT devices to the same wi-fi as devices such as laptops or mobile phones. If an IoT device is hacked, then the attacker can access other connected systems. This makes all aspects of this network unsafe and increases the possibility of data theft.

 

Read our recent suggested blog on IoT Device Security.

Latest Penetration Testing Report
Pentesting Buyer Guide

How to Mitigate IoT Security Risks

Securing your IoT devices from hackers is important. It’s not difficult to protect your IoT devices and personal data, and there are a few easy steps you can take to secure your devices. By taking a few common-sense steps, you can minimise your risks and enjoy smart technology and its benefits. The following outlines some essential ways to secure your IoT devices.

1. Create Strong and Unique Passwords

When you first set up any IoT device, change the default password. Ensure you are using strong and unique passwords that are not easily guessed. Avoid using common passwords like “123456” or “admin”. When available, two-factor authentication adds another layer of safety. It is a simple way to deter easy break-ins.

2. Ensure Firmware is Current

IoT devices often have updates to address security bugs. Be sure always to keep the device firmware up-to-date. Enable automatic updates, if available, so you do not have to update manually. In this way, your device will continue to be protected against existing threats. This is a common step in any IoT security audit or IoT device penetration testing.

3. Encrypt Data Transfers

Be sure that all data that the device sends or receives is encrypted. Encryption will help protect the data from any hacker intrusion. Use secure protocols and file transfers, such as TLS and HTTPS. As a bonus, using a VPN will protect the device’s security during communication and protect data.

4. Use Private Networks

Never connect your IoT devices via public Wi-Fi. Use your secure home network, set up a private network, or connect through a trusted VPN provider. Public networks are open and unsafe from hackers and malware. A private network provides more control and protection for your data is a basic part of IoT security testing.

5. Monitor Device Behaviour

Pay attention to your device’s behaviour. If you notice unusual spikes in data use or failed login attempts, it may indicate a problem. There are many tools to help identify unusual activity early, which allows you to react before a bigger issue occurs.

6. Disable Unused Features

Turn off all features you do not use, e.g. voice calling, SMS, or incoming data. Fewer features will reduce points of attack for a hacker and also save data and battery, so keep only what you need.

7. Secure the Device Physically

Put IoT devices in locations where they are not easy for people to access or damage. Use strong, weather-proof cases on outdoor devices. Physical safety is as important as digital safety. The harder it is to access a device physically, the harder it is to tamper with it.

Conclusion

Internet of Things (IoT) devices can make life easier, but they can also expose you to security threats if not managed well. Weak passwords, lack of updates, or unencrypted information can lead to serious issues. Small changes can make a big difference, such as using strong passwords, checking for updates, and monitoring your devices. In a digitizing India, it is imperative to protect your smart devices. 


If you require expert assistance in securing your IoT products, talk to Qualysec, a reliable IoT security company in India offering services like IoT Security Risks, IoT security audit, IoT device penetration testing, and IoT security testing.

Talk to our Cybersecurity Expert to discuss your specific needs and how we can help your business.

FAQ’s

1. What are the Security Risks of IoT?

The IoT devices can be compromised by hackers who can extract data from the device, distribute malware, or gain unauthorized access. Also, unsecured devices could be taken over and used to attack other devices via the Internet.

2. Which Security Issues Exist In IoT?

IoT devices tend to have default passwords, old software and no encryption. These omissions facilitate the ability for hackers to breach a device and then misuse the device or obtain sensitive information.

3. What are The Three Principal Factors That Impact IoT security?

The principal factors are poor authentication (such as weak passwords), a lack of continuous software updates, and a lack of data protection (encrypted communications). The above matters exacerbate the chances of hacking and data loss.

Qualysec Pentest is built by the team of experts that helped secure Mircosoft, Adobe, Facebook, and Buffer

Chandan Kumar Sahoo

Chandan Kumar Sahoo

CEO and Founder

Chandan is the driving force behind Qualysec, bringing over 8 years of hands-on experience in the cybersecurity field to the table. As the founder and CEO of Qualysec, Chandan has steered our company to become a leader in penetration testing. His keen eye for quality and his innovative approach have set us apart in a competitive industry. Chandan's vision goes beyond just running a successful business - he's on a mission to put Qualysec, and India, on the global cybersecurity map.

Leave a Reply

Your email address will not be published.

Save my name, email, and website in this browser for the next time I comment.

0 Comments

No comments yet.

Chandan Kumar Sahoo

CEO and Founder

Chandan is the driving force behind Qualysec, bringing over 8 years of hands-on experience in the cybersecurity field to the table. As the founder and CEO of Qualysec, Chandan has steered our company to become a leader in penetration testing. His keen eye for quality and his innovative approach have set us apart in a competitive industry. Chandan's vision goes beyond just running a successful business - he's on a mission to put Qualysec, and India, on the global cybersecurity map.

3 Comments

emurmur

John Smith

Posted on 31st May 2024

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut et massa mi. Aliquam in hendrerit urna. Pellentesque sit amet sapien fringilla, mattis ligula consectetur, ultrices mauris. Maecenas vitae mattis tellus. Nullam quis imperdiet augue.

    Pentesting Buying Guide, Perfect pentesting guide

    Subscribe to Newsletter

    Scroll to Top
    Pabitra Kumar Sahoo

    Pabitra Kumar Sahoo

    COO & Cybersecurity Expert

    “By filling out this form, you can take the first step towards securing your business, During the call, we will discuss your specific security needs and whether our services are a good fit for your business”

    Get a quote

    For Free Consultation

    Pabitra Kumar Sahoo

    Pabitra Kumar Sahoo

    COO & Cybersecurity Expert