Everything You Need to Know About IoT Security

Haseeb Awan
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May 24, 2022
Modified On
April 5, 2023

In This Article


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Modified On
April 5, 2023

What is IoT?

IoT is the abbreviation for the Internet of Things. It is a system of connected objects embedded with software, sensors, and other technologies to access and exchange information between systems and devices over the web. These gadgets include everything from everyday household items to complex industrial machines.

IoT devices analyze and/or control critical systems and retrieve personal data. Findstack experts predict that by 2025, there will be 38.6 billion connected IoT devices.

What is IoT Security?

IoT security is the process of protecting internet-connected devices and networks from attacks. This includes recognizing and securing devices that may pose a risk to the organization and helping to repair any security flaws that are found.

IoT security refers to the appropriate inventory, transparency, and management of internet-connected devices, machines, or things that enable data gathering and interchange.

IoT security is similar to traditional network security, but the data that IoT systems acquire and the processes they administer are more complex, so the security requirements are higher.

Challenges of IoT Security

To better understand IoT security, we should learn about IoT devices' most significant difficulties. Since they are not designed with safety in mind, resulting in many device security flaws. Security software cannot be installed on the IoT device itself in most circumstances. Furthermore, they may include malware that compromises the network they are linked to.

Most network security systems cannot detect IoT connected devices and/or access what devices are interacting across the network. Here are the main IoT Security challenges we should know about:

Software Updates Shortage

IoT devices are frequently not adequately updated to combat emerging security flaws. IoT devices are often modest and installed in remote areas. Because a business may have millions of IoT devices to handle, it is common for them to distribute and ignore them. Furthermore, many IoT devices rely on users to update the software, and many users either do not care or are unaware that they are required to do so.

Default Passwords

Several IoT devices have default passwords that let users access the software and operating systems. Hackers with databases of standard IoT passwords can exploit them to obtain unauthorized access to the device and its network if users forget to change their passwords.

Read here how to create a secure password

API Defenselessness

As sharing data across the network via API (Application Programming Interface) is essential for how IoT devices work, API weaknesses are a significant IoT security issue. If an API issue is discovered, hackers can utilize it to steal data through MiTM (Man-in-the-Middle) attacks or assume monitoring and control systems to execute DDoS (Distributed Denial of Service) cyberattacks.

API vulnerabilities are not pre-defined as currently, we do not have a universal IoT API. However, different IoT vendors have shared dozens of IoT APIs, and you may also develop one yourself. All APIs that security professionals use must be knowledgeable of all inherent risks.

Standard Implementations

No common standards regulate the architecture of IoT devices, the categories of applications they execute, and how they share data, just like there is no one IoT API. However, many alternative techniques are continually evolving alongside IoT software and hardware.

Since many variables are at play, it is more challenging to protect IoT devices from a security standpoint. No one security technique can secure all IoT networks or devices from attacks. Hence, the lack of correct standard implementation is another biggest IoT security challenge.

Shadow IoT Devices

The potential of shadow devices connected to the network but not permitted by or recognized by the system administrator is a key IoT security concern. Untrained and uneducated users, including an employee who takes an IoT weather monitor into the workplace, may add shadow devices to the system. Alternatively, hostile parties could use them, like hackers attempting corporate espionage via unprotected meeting rooms, smartphones, or smart televisions. As they are frequently not fully protected, shadow IoT devices are also vulnerable to malware infiltration.

How to Secure IoT Devices and Systems?

Many parties are involved in ensuring IoT devices. Device makers must create hardware that is resilient to hacking. To operate on the devices, software engineers must design secure software. Developers who install and use IoT devices must take precautions to protect themselves from security threats. End users who utilize the Internet of Things to view data and systems must maintain their devices safe and prevent providing unauthorized users access.

As each of these groups has a different function in IoT security, they can all apply the same set of recommendations to identify and manage any IoT security risks. Here is how to secure IoT devices:

  1. Unauthorized devices that arise on an IoT network should be discovered by all users. Ephemeral assets can go down and subsequently return to a different network or physical location. It is critical to obtain accurate data to identify these gadgets.
  2. A security officer must understand the job of each IoT device on a network in order to analyze and predict its behavior patterns. To identify possible breaches, look for irregularities in these patterns.
  3. Not all IoT devices are equally dangerous. A medical gadget that regulates a patient's heart poses a more significant threat than an Internet of Things device that regulates a lamp. Companies must create risk profiles for every device on their systems to estimate risk appropriately. They can correctly prioritize security events and know which devices to upgrade first.
  4. After identifying and classifying the IoT devices on a system, IT and security staff can create policies to isolate vulnerable, high-risk, or mission-critical devices from the rest of the network. Segment policies can also regulate how every device interacts, monitor network access, and guarantee that every device is reviewed and encrypted in real-time.

Companies must understand and manage the security threats offered by IoT software and hardware and take actions to secure the networks, devices, and data to reap the benefits of IoT devices.

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Haseeb Awan
CEO, Efani Secure Mobile

I founded Efani after being Sim Swapped 4 times. I am an experienced CEO with a demonstrated history of working in the crypto and cybersecurity industry. I provide Secure Mobile Service for influential people to protect them against SIM Swaps, eavesdropping, location tracking, and other mobile security threats. I've been covered in New York Times, The Wall Street Journal, Mashable, Hulu, Nasdaq, Netflix, Techcrunch, Coindesk, etc. Contact me at 855-55-EFANI or haseebawan@efani.com for a confidential assessment to see if we're the right fit!

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