Company
Hana Bank is a major South Korean commercial bank and core subsidiary of Hana Financial Group, offering retail and corporate banking services.
Singapore's cyber chief Gwenda Fong urged continuous monitoring a day after Korea's FSC found weaknesses at 130 of 555 inspected firms. Singapore's two-hour reporting clock starts only once an incident is known, so the hours before discovery are where monitoring works.
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Kakao Bank opened its main app to foreign residents on Monday, adding accounts, debit cards and overseas remittances among more than 50 features. The target is about 2.2 million long-term residents, up 38% since 2021, per the Ministry of Justice.
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Shinhan Financial's board took up information security five times between March 2025 and May 2026, according to minutes Seoul Economic Daily reviewed. Analysts quoted by the paper say the effectiveness of those security systems needs examining.
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A dev.to post says a Chinese-speaking attacker used Artex AI and Claude agents to breach Shinhan, KB Kookmin and Hana banks in October 2026. It proposes runtime guards on tool calls, yet the CrowdStrike finding it cites puts the agent sessions on the attacker's own infrastructure.
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Citibank and Bank of America each have about 3,400 dedicated cybersecurity staff, 34 to 47 times the headcount at Korea's four largest banks. Scaled for the 10-to-12-fold asset gap, the lead is 2.8 to 4.7 times on staff and 1.8 to 3.7 times on spending.
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Korea's cyberinsurance market was worth $3 million in 2023, about a sixty-fifth of Japan's $196 million. AI-based attacks are now reaching banks such as KB Kookmin and Hana, yet most Korean companies still pay for breaches out of their own funds.
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President Lee Jae Myung says AI appears to have been used in hacks on South Korean banks that leaked data on at least 25,000 Shinhan customers. If his claim that AI removes the need for specialized skills holds up, banks should plan for many more attackers.
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South Korea's police added 15 specialists to the team investigating hacks of financial institutions, taking it from 28 to 43 investigators. Because the trail leads to attack servers abroad and the case could be handed to another agency, part of the probe's timing depends on people outside the police.
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CrowdStrike tied AI-assisted South Korean bank attacks, run on an open-source pentest tool and DeepSeek, to a possible 26-year-old suspect in Guangdong. The reported breaches involved systems banks run for brokers and staff, so the exposure to manage sits at the bank's edge, whoever the attacker proves to be.
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South Korea's FSC paused a plan to open bank network-separation exemptions to 75 firms after ARTEX-assisted hacks breached seven financial firms. The pause holds back at most 15 exemptions while regulators work out whether the attacker got in through the rule they were loosening or around it.
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Koreans buying yen are paying the least in about 18 years, as 100 yen fell into the mid-800s of won this week from about 950 in early summer. Most of the drop is the won's chip-export rally against the dollar, Korea Times figures show, so the saving depends on that boom lasting.
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Naver and Brookfield are negotiating up to $9 billion of financing for a $10 billion expansion of Naver's Sejong AI data center to 200 megawatts. Korean banks weighing a share have to judge what about 100,000 Nvidia GPUs will be worth years into a loan.
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President Lee Jae-myung ordered a full probe of hacks that exposed data at four Korean banks, including about 25,000 Shinhan Bank customers. The response runs through every financial industry association before the probe has shown whether the banks share a weak point.
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President Lee Jae Myung ordered resources onto a breach of customer data at seven Korean financial firms, citing possible AI use in some attacks. What the firms pay will turn on a network law amended five days earlier and on which ministry runs the case.
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South Korea's financial regulator gave lenders until Thursday to check every internet-facing system after hackers breached at least seven banks. Attackers entered through tools built for loan recruiters and staff, so the repair falls on how much credit data banks let outsiders see.
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Shinhan Bank exposed data on about 25,000 customers through a loan-broker inquiry platform kept apart from its core banking systems. Yonhap reports AI may have automated the credential stuffing, so the side systems that touch customer data are where lenders' security spending now gets tested.
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Korea's National Police Agency booked the AI-driven attack on Shinhan Bank as a criminal case and assigned 28 cyberterrorism investigators to it. Whether the case moves to the new Serious Crimes Investigation Agency turns on how the Financial Services Commission classifies the bank's system.
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Victims of breaches at seven Korean lenders, Shinhan Bank among them, are recruiting members for class-action damages suits. With suspects in earlier Korean data cases still uncaught, the lenders look like the only parties those suits can reach.
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Korea's Financial Services Commission is due on the 7th to name about 15 more financial firms exempt from network separation rules, after a first round of 10. Network separation rules are what stop lenders running AI security tools, so the list decides who can use AI against AI-driven hacking.
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Korean regulators sent security orders to about 500 financial firms after the same attacker IP turned up in breaches at seven lenders. Almost every firm doing the emergency reviews has no reported breach, so the cost is shared across the sector.
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Invest · October 4, 2026 · Confirmed2 publishers
Invest · October 4, 2026 · Confirmed2 publishers
Invest · October 3, 2026 · Confirmed2 publishers
Invest · September 20, 2026 · Confirmed2 publishers