Now Hacked
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Week 46, 2026 security incident reportIn progress

Hacking and data breach incidents newly reported 2026.11.09 ~ 11.15

New in South Korea37
New elsewhere365
Exposed in South Korea (as announced)284.4K

By type

  • Data breach284
  • Hacking & intrusion79
  • Ransomware23
  • Malware7
  • Phishing & smishing6
  • DDoS3

Key incidents in South Korea

  • Data breachKB CapitalBreach lookup available

    KB Capital hack exposes data of 1,811 customers, employees and others

    1.8KImpact: Personal information of 1,811 people, including customers, employees, executives, and partner company personnel

    KB Capital's employee system was hacked, exposing the personal information of 1,811 people, including customers, employees, executives, and partner company personnel. The exposed information included names, addresses, and vehicle registration numbers, and 20 customers were reportedly affected. KB Capital said it would fully compensate any resulting losses.

    Related reports: 44 →
  • Data breachAnthropic

    Anthropic breach exposes data from 112 Claude business accounts in South Korea

    Impact: Information from 112 Claude business accounts in South Korea exposed

    Unauthorized access to Anthropic's internal systems through a vulnerability in third-party business software exposed information from 112 Claude business accounts in South Korea. The exposed data included names, email addresses, account and organization identifiers, and usage and spending metrics, while the company said conversations and payment information were not accessed. The Personal Information Protection Commission (PIPC) launched a formal investigation on November 10, and it was subsequently confirmed that Anthropic reported the intrusion to South Korean authorities 21 days after detecting it and notified customer companies after 28 days.

    Related reports: 33 · last report →
  • Data breachKakao EnterpriseBreach lookup available

    Kakao Work hack exposes personal data and work emails of about 5,000 users

    5KImpact: Personal data, work emails, attachments, and other information belonging to about 5,000 users at 44 client companies

    On November 9, an external attacker gained unauthorized access to Kakao Work systems, exposing the personal data of about 5,000 users at 44 client companies. The exposed data included names, contact details, departments, email subjects and bodies, original attachments, and encrypted chat messages. The company and the Personal Information Protection Commission (PIPC) are investigating the exact scope and circumstances of the incident, and users have been advised to change their passwords and watch out for impersonation.

    Related reports: 24 →
  • Data breachPast incidentSamyang Group

    Hack at four Samyang Group companies exposes 149,767 people's personal information

    149.8KImpact: Approximately 850,000 files totaling 1.3 TB containing 149,767 people's personal information were leaked, including the resident registration numbers of 82,750 people

    In July 2022, approximately 850,000 files totaling 1.3 TB and containing the personal information of 149,767 employees, shareholders, and other associated individuals were leaked from four Samyang Group companies. The attacker exploited a mail server vulnerability to gain administrator privileges, stole file server credentials, and exfiltrated data, which included the resident registration numbers of 82,750 people. The Personal Information Protection Commission (PIPC) found that a server no longer in use had been left connected to an external network and that resident registration numbers had been inadequately encrypted, among other shortcomings, and approved sanctions including an administrative fine of KRW 552 million; Samyang Group said it had strengthened its security systems after the incident.

    Related reports: 23 · last report →
  • Data breachKorea Digital ExchangeBreach lookup available

    Flybit groupware hack exposes 40 customers' personal information

    40Impact: Personal information of 40 customers

    On November 1, unauthorized external access to cryptocurrency exchange Flybit's internal groupware, DaouOffice, exposed the personal information of 40 customers. Names, resident registration numbers, contact details, and some tax-related information were exposed in email attachments related to tax authorities' requests for taxpayer information. Flybit is operated by Korea Digital Exchange.

    Related reports: 17 · last report →
  • Data breachPublic Procurement Service

    Procurement agency exposes facial photos of 189 evaluators to external AI

    189Impact: Facial photographs used to verify the identities of 189 online evaluators

    A Public Procurement Service employee sent facial photographs used to verify the identities of 189 online evaluators to ChatGPT, an external generative AI service, while developing and testing a work-related AI system from July to October 2026. The agency confirmed the exposure on November 6, reported it to the Personal Information Protection Commission (PIPC), and proceeded with individual notifications to those affected and a request to the service operator to delete the photographs. No exposure of personal data other than the photographs or secondary harm was confirmed.

    Related reports: 15 · last report →
  • KOMSCO Chak platform exposes personal data of 3,083 users

    3.1KImpact: Personal information of 3,083 users

    An unauthorized external party accessed Chak, KOMSCO’s mobile platform for local gift certificates, and viewed the personal information of 3,083 users. The exposed information varied by individual and included some of the following: names, dates of birth, mobile phone numbers, bank account numbers, connecting information (CI), email addresses, and encrypted card numbers. KOMSCO blocked access from the attacker’s IP address and overseas IP addresses and is investigating the intrusion route and any additional harm.

    Related reports: 14 · last report →
  • Data breachKorea Federation of SMEs (KBIZ)

    Unauthorized access raises concerns over personal data on Noran Woosan website

    On November 11, unauthorized external access and signs that a third party may have viewed some customers’ personal information were detected on the Noran Woosan website, operated by the Korea Federation of SMEs (KBIZ). Names, the first seven digits of resident registration numbers, contact details, and addresses may have been viewed, while investigators are still determining whether a leak occurred and the extent of any impact. KBIZ blocked the attacking IP addresses, reported the incident to the Korea Internet & Security Agency (KISA), and notified customers of the possible leak.

    Related reports: 14 →
  • Data breachInje University

    Attack on Inje University server exposes 24,011 personal information records

    24KImpact: 24,011 personal information records belonging to students and staff

    An external attack on a server associated with Inje University’s Flipped Learning Class system for course delivery exposed 24,011 personal information records belonging to students and staff. The university learned of the incident through a notification from the Ministry of Education on November 12, and the exposed data included student IDs, employee IDs, names, email addresses, and mobile phone numbers. Passwords and resident registration numbers were not included, and the university blocked network access to the affected server and decided to shut down the system.

    Related reports: 7 · last report →
  • Data breachDong-gu, Gwangju Metropolitan City

    Gwangju Dong-gu resident app leaks personal data of 2,101 users

    2.1KImpact: Personal information of 2,101 users

    Personal information belonging to 2,101 users was leaked from Our Neighborhood do Banjang, a resident participation app in Dong-gu, Gwangju Metropolitan City. The leaked data included names, mobile phone numbers, residential neighborhood names, nicknames, and records and amounts of points earned. An administrator menu was exposed during a feature update, resulting in six downloads of personal data files, and Dong-gu blocked external access and enabled authentication.

    Related reports: 6 · last report →

Supply-chain breaches

Key incidents in other countries

  • Data breachTSMC

    About 46,000 TSMC employee records leaked and offered on black market

    46KImpact: About 46,000 records containing employees’ personal information

    About 46,000 records containing TSMC employees’ personal information were leaked, and a hacker attempted to sell them on the black market for 3 bitcoins. TSMC confirmed the leak and said its investigation found that the information matched data stored with a cloud service provider. No evidence of a breach of TSMC’s systems was found, and neither production nor customer information was involved.

    Related reports: 43 · last report →
  • Data breachezTravel

    Taiwan’s ezTravel hacked, exposing data of over 690,000 members

    690KImpact: Personal data and order-related information of more than 690,000 members

    Taiwanese travel company ezTravel suffered an abnormal network attack that exposed the personal data and order-related information of more than 690,000 members. The exposed data included names, email addresses, and order contact details, but did not include credit card, identity document, or passport numbers. The company apologized, notified consumers of the breach, and advised them to watch out for scams and suspicious links.

    Related reports: 34 · last report →
  • Taiwan consular bureau hack exposes passport photos and powers of attorney

    774Impact: 72,702 facial photographs for passport applications, 26,072 scanned power-of-attorney files, and photographs and application-related information from 774 ABTC applications

    Some websites of Taiwan’s Bureau of Consular Affairs, under the Ministry of Foreign Affairs, were hacked, resulting in the theft of 72,702 facial photographs submitted for passport applications and 26,072 scanned power-of-attorney files from the representative office in New York. An investigation also confirmed that photographs and application-related information from 774 ABTC applications had been exposed. The bureau isolated and restored the affected servers and found no evidence that passport applicants’ names, dates of birth, identity card numbers or passport numbers had also been stolen. It said the validity of passports already issued was unaffected.

    Related reports: 30 · last report →
  • Data breachMaersk

    Maersk data breach traced to legacy IT systems inherited through acquisition

    Impact: Data breach confirmed; attackers claim about 100 GB stolen

    Maersk confirmed that attackers gained unauthorized access to legacy IT systems inherited from a company it had previously acquired and extracted data. WhiteArmor claimed to have stolen about 100 GB and demanded $5 million. While investigating the incident, Maersk denied claims that plaintext passwords had been stolen and said the codes obtained by the attackers were expired one-time codes.

    Related reports: 28 · last report →
  • Data breachSMBC Nikko Securities

    SMBC Nikko Securities shareholding association system breach affects up to 56,487 people

    56.5KImpact: Personal information of up to 56,487 people exposed or potentially exposed

    Unauthorized access to SMBC Nikko Securities’ employee shareholding association management system was found to have exposed or potentially exposed the personal information of up to 56,487 people. The affected information includes names, addresses, shareholding balances and transfer account details, and may also include information on investment holdings. The company blocked access to the system on November 9.

    Related reports: 24 →