The Security, Functionality, and Usability Triangle

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Technology is advancing rapidly, prioritizing ease of use over secure computing. While originally developed for research and academic purposes, technology has not evolved in line with users' proficiency. As a result, vulnerabilities are often overlooked during system design. Adding built-in security mechanisms enhances user competence, but system administrators struggle to allocate resources for securing systems amidst increasing routine activities.

Key challenges include:

  • Time constraints – Administrators have limited time to check logs, detect vulnerabilities, and apply security patches.
  • Growing security demands – The rise of ICT use has increased the need for dedicated security professionals to monitor and protect systems.

Hacking: Then vs. Now

  • Originally, hacking referred to advanced skills used to explore computer systems.
  • Today, hacking often involves exploiting vulnerabilities, made easier by automated tools and scripts available online.
  • The rise of "script kiddies" – individuals with limited technical knowledge using pre-made exploits – has reduced the skill level required for attacks.

Challenges in Cybersecurity

  • Many victims of cyberattacks hesitate to report incidents for fear of losing customer trust, market share, or facing negative publicity.
  • The increasing reliance on networked environments makes it critical for organizations to implement strong security measures.

The Security-Functionality-Usability Triangle

A system's security is determined by three interdependent components:

  1. Functionality – The system’s features and capabilities.
  2. Usability – The ease of use, often shaped by the graphical interface.
  3. Security – The restrictions imposed to protect the system.

These components exist in a triangle relationship:

  • Increasing security reduces usability and functionality.
  • Enhancing usability may weaken security and functionality.
  • Balancing all three is crucial for an effective and user-friendly system.

Organizations must carefully evaluate these factors to achieve an optimal balance—ensuring strong security without compromising functionality and usability.

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