September 06.2025
2 Minutes Read

Has IoT Security Improved Over the Past Five Years? A Deep Dive

IoT security improvements visually represented with devices and smartphone.

Understanding the Evolution of IoT Security

The Internet of Things (IoT) has revolutionized how industries operate, but this rapid expansion poses a critical question: has IoT security evolved adequately over the past five years? Experts agree that while there has been some progress, particularly with new legislation and improved best practices, the pace of development in security measures remains insufficient.

The Current State of IoT Security

Despite the incorporation of IoT devices to enhance efficiency and reduce costs, many products still face inherent security flaws. Devices that come with factory-set simple passwords, like 'admin admin,' are prime targets for attackers. A concerning trend revealed by cybersecurity experts highlights a general lack of awareness around the importance of resetting these defaults to fortify device security. According to Tod Beardsley of runZero, "The awareness of security for [IoT] devices is deplorably low."

Legislative Impact and Industry Response

California's legislation from 2018 marked a pivotal step towards better IoT security, mandating manufacturers to use unique default passwords and improve general security protocols. However, as Beardsley points out, advancements have been limited since then, influenced by the struggle to balance user-friendliness with necessary security measures. Ironically, the fear of alienating consumers due to complex security features often hinders progress.

Increased Visibility in Security Research

On a more positive note, recent events like DEF CON have seen a growing interest in IoT security, with expanded IoT villages showcasing how seriously the community takes these issues. Beardsley highlights that penetration testing for IoT devices is becoming more common, emphasizing a shift in awareness and research focus. The introduction of innovative startups into the IoT market is promising, yet it also raises concerns that these new entrants might not adequately learn from historical security lapses.

Looking Ahead: What’s Next for IoT Security?

As the IoT landscape continues to evolve, it is crucial for manufacturers to learn from past mistakes and implement more effective security measures. Awareness around IoT vulnerabilities needs to translate into concrete actions that enhance the safety of users and their data. Ultimately, stakeholders across the industry must collaborate to ensure that security keeps pace with technological advancement.

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