16 October 2026 23:00 (UTC+04:00)
South Korea’s five largest commercial banks are preparing to
increase investments in information security following a series of
customer data leaks and cyberattacks. The move reflects growing
concerns about the safety of financial information as banking
services become increasingly digitalized.
The country’s five biggest banks have allocated a combined total
of approximately 332 billion won to information security this year,
representing a 3.8% increase compared with the previous year.
However, recent incidents have prompted financial institutions to
consider additional spending on cybersecurity infrastructure and
specialized personnel.
KB Kookmin Bank plans to allocate more than 100 billion won to
information security next year. Woori Bank is considering
increasing spending on security systems by more than 20%, while
also expanding its team of cybersecurity specialists.
Hana Bank is developing security initiatives worth tens of
billions of won. NH NongHyup Bank intends to strengthen server
protection and expand testing of artificial intelligence systems.
Meanwhile, Shinhan Bank plans to bring in external experts, improve
threat detection capabilities and establish an AI-powered security
monitoring center.
Why Are Banks Investing More in Cybersecurity?
Financial institutions are facing increasingly sophisticated
threats, ranging from phishing and ransomware to attacks designed
to exploit vulnerabilities in digital banking platforms. The
growing use of mobile banking and AI-powered financial services has
created new opportunities for customers, but it has also expanded
the potential attack surface for cybercriminals.
Artificial intelligence is becoming both a security tool and a
potentialnsactions, identify unusual behavior and detect
suspicious activity faster than traditional systems. At the same
time, cybercriminals can exploit AI to create more convincing
phishing messages and automate certain types of attacks
For South Korea’s major banks, the challenge is not simply to
spend more money, but to ensure that investments translate into
stronger protection for customers. This includes improving
real-time monitoring, regularly testing security systems, training
employees and responding quickly when suspicious activity is
detected.
The increased spending also highlights a broader trend across
the global financial sector: cybersecurity is no longer just an IT
issue but a core part of risk management and customer trust. As
digital payments and online banking continue to grow, the ability
to protect personal and financial data is becoming an increasingly
important competitive advantage.
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