AI-Powered Hacker Attacks South Korean Banks: Could European Banks Be Next?

You may no longer need to be an expert hacker to launch a sophisticated cyberattack

For years, carrying out a sophisticated cyberattack required specialist knowledge, programming experience and considerable technical resources. Artificial intelligence could be changing that equation.

A report published by The Washington Post on 1 November describes an alleged cyberattack involving a 26-year-old man in China who used AI chatbots to help attack systems connected to at least nine South Korean banks.

The incident offers a disturbing glimpse of how artificial intelligence could change the economics of cybercrime. People who previously lacked the skills to conduct complicated attacks may now be able to use AI tools to help them understand software vulnerabilities, write code and automate parts of an intrusion.

The important distinction is that AI does not magically turn every user into an elite hacker. But it can lower the technical barriers, speed up research and help inexperienced attackers make progress that would otherwise require much more expertise.

What allegedly happened?

According to the newspaper’s reporting, the alleged attacker used AI chatbots to assist with hacking activity, the handling of stolen information and the creation of a fabricated résumé.

The reported incident involved financial information connected to at least nine South Korean banks. The case is part of a wider concern among cybersecurity specialists: AI tools are increasingly capable of assisting with several stages of an attack, rather than merely answering technical questions.

That can include identifying potential weaknesses, helping to write scripts, explaining unfamiliar systems and organising information obtained during an intrusion.

The report also describes how AI has been used by security researchers to uncover previously unknown software vulnerabilities. This illustrates the uncomfortable dual-use nature of the technology: the same capabilities can help defenders secure systems and help criminals attack them.

Why this is a major warning for Europe

European banks, insurers, hospitals, government agencies and online retailers all depend on complex digital infrastructure.

Many organisations have invested heavily in cybersecurity, but their systems still contain weaknesses. These may be old software components, poorly configured servers, forgotten accounts or applications that have not been updated.

AI could make it easier for attackers to search for such weaknesses at scale.

A criminal no longer necessarily needs to understand every technical detail before beginning. They can ask an AI system to explain an error message, help interpret a security warning or suggest how a particular piece of code works.

That does not mean every chatbot will provide instructions for criminal activity. Major AI companies impose safeguards, and many systems refuse clearly malicious requests. However, safeguards are not perfect, and alternative models and tools may be less restrictive.

The uncomfortable question: can defenders keep up?

Cybersecurity teams already face a shortage of skilled professionals. They must protect thousands of devices, applications and accounts while responding to increasingly sophisticated threats.

AI can help them too. Security teams can use automated systems to analyse suspicious activity, identify vulnerabilities and investigate incidents more quickly.

But there is a race developing between attackers and defenders. If criminals use AI to increase the speed and volume of attacks, organisations may need to automate more of their own security operations simply to keep pace.

What European businesses should do now

The lesson is not that companies should ban AI. It is that traditional security practices become even more important when attackers can work faster.

European organisations should review access permissions, update exposed systems, monitor unusual account activity and regularly test their security arrangements. They should also ensure that employees know how to report suspicious messages and unexpected requests.

Most importantly, companies should not assume that a cyberattack will look obviously sophisticated. AI-assisted criminals may use ordinary-looking techniques, but carry them out more quickly and at greater scale.

The next major cyberattack may not come from a highly organised team of elite programmers. It could come from someone who knows how to ask the right questions of an AI chatbot.

Source: The Washington Post – “Anyone can be a super-hacker now”: The world faces a cybersecurity reckoning, 1 November 2026. The allegations described in the report should not be treated as a judicial finding of guilt.