Quantum computers are often hailed as a revolutionary technology that will change the worlds of computing, science, and industry. However, behind its incredible potential, there are a variety of serious risks and dangers that need to be understood. If not properly anticipated, the development of quantum computing can actually become a threat to data security, digital system stability, and global technological balance. 

1.Threats to Data Security and Encryption 

One of the biggest dangers of quantum computers is their ability to break modern encryption systems. Many of today’s digital security systems—such as banking, e-commerce, and government communications—rely on classical cryptographic algorithms (RSA, ECC). 

With algorithms like Shor’s Algorithm, quantum computers have the potential: 

  1. Breaking into state secret data 
  2. Access the financial information of millions of users 
  3. Undermining the global internet security system 

This poses a “harvest now, decrypt later” risk, i.e. data stolen today can be decrypted in the future when quantum computers are strong enough. 

2.Global Inequality of Technology and Power 

Quantum computers require a huge investment in research, sophisticated technological infrastructure, and highly skilled human resources, so its development is currently only accessible to developed countries and large corporations. This condition has the potential to widen the technology gap between countries, because developing countries will increasingly lag behind in access to and mastery of strategic technology. In addition, the dominance of a few parties in the development of quantum computers can create a monopoly of computing power, where high-level processing capabilities are only owned by certain actors. This situation also triggers a cyber arms race, because countries that control quantum computers first will have significant strategic advantages in the military, intelligence, and global economy. 

3.Risk of Misuse of Technology 

Like other advanced technologies, quantum computers are vulnerable to abuse. Potential abuse includes: 

  1. Hacking of defense and satellite systems 
  2. Manipulation of financial markets through extreme optimization 
  3. Large-scale data abuse 

Without clear regulation, quantum computers can become a tool that amplifies advanced cybercrime. 

4.Impact on AI and Automation Systems 

Quantum computers have the potential to drastically accelerate the development of Artificial Intelligence. If not controlled, the combination of AI + quantum computing can: 

  1. Accelerate massive automation 
  2. Threatens analytics-based employment and optimization 
  3. Reducing the role of human decision-making 

This poses significant social and economic risks, especially for developing countries. 

Quantum computer technology offers great potential for the advancement of science and industry, but it also carries serious risks that cannot be ignored. Its ability to crack modern encryption systems could threaten global data security, while inequality in technological mastery could widen the gap between developed and developing countries. In addition, quantum computers are at risk of being misused for high-level cybercrimes and can accelerate AI-based automation that disrupts socioeconomic stability. 

Therefore, the development of quantum computers must be balanced with strong regulations, new security strategies, and international collaboration so that this technology benefits all parties without posing a major threat to the digital world and society.