
SMBCコンシューマーファイナンスは、カードローン保証業務システムへの不正アクセスにより最大32万118人分の顧客情報が漏洩したと発表した。漏洩情報には氏名、年収、借入額などが含まれ、ドコモSMTBネット銀行は最大12万2635人が同行顧客であると明らかにした。
AI-generated summary
SMBCコンシューマーファイナンスは三井住友フィナンシャルグループ傘下の消費者金融大手で、地方銀行や信用金庫、ネット銀行など189の金融機関からカードローンの保証業務を請け負っている。
三井住友フィナンシャルグループ(FG)傘下の消費者金融大手SMBCコンシューマーファイナンス(CF、旧プロミス)は5日、カードローンの保証業務に使うシステムが不正アクセスを受け、最大32万118人分の顧客情報が漏れたと発表した。顧客の名前や年収に加え、借入額も流出したという。
漏洩(ろうえい)したのは、SMBCCFがカードローンの保証業務を担っている地方銀行や信用金庫、ネット銀行などの顧客の情報。お金を借り入れている人の氏名、性別、生年月日、住所、電話番号、メールアドレス、運転免許証番号、勤務先、年収などのほか、ローンを借りた金融機関のコード、顧客番号、保証額(借入額)、契約日などが漏れた。ドコモSMTBネット銀行(旧住信SBIネット銀行)は同日、最大12万2635人が同行の顧客だと明らかにした。
2日に不正アクセスを検知し、保証業務で使うシステムへのアクセスを遮断した。だが一部データが外部に送信され、そこに顧客情報も含まれていたという。現時点で流出した情報の悪用などは確認されていないとしている。
SMBCCFは2026年3月時点で、189の金融機関から保証業務を請け負っている。
AI outlook — possibilities, not facts
SMBCコンシューマーファイナンスおよび関係金融機関が被害顧客への個別通知と対策を発表する
Very likely · Within days

Prime Minister Takaichi announced at the House of Representatives Finance and Finance Committee that more than 30% of the currently employed population would be eligible for subsidies to reduce the burden on workers. The Nikkei average has fallen by more than 1,600 yen, falling below 60,000 yen for the first time in five and a half months, and real wages in September have increased for nine consecutive months. Domestic and international news continued, including the reduction of the burden on the U.S. military base in Okinawa, orders to improve operations in response to fraudulent data at the Hamaoka nuclear power plant, interest rate hikes at the Bank of England, temporary management of JT's Russian assets, candidacy for FIFA president, defendant Akimoto's sentencing, upward revision of Toyota profits, and Hong Kong pro-democracy ruling.

Prime Minister Takaichi announced at the House of Representatives Finance and Finance Committee that more than 30% of the currently employed population would be eligible for subsidies to reduce the burden on workers. On the same day, the Nikkei average fell by more than 1,600 yen, dropping below 60,000 yen for the first time in five and a half months, and real wages in September remained positive for nine consecutive months. Domestic and international news continued, including the reduction of the burden on the U.S. military base in Okinawa, the strengthening of Japan-U.S. relations, the Bank of England's interest rate hike, Russia's temporary management of JT's assets, the candidacy for FIFA president, Akimoto's sentence, Toyota's upward revision of profits, and the sentencing of Hong Kong democracy activists.

Following the results of the US mid-term elections, the New York stock market plunged due to concerns about stricter regulations on AI development. The Dow fell 1,833.06 points (3.4%) from the previous day to close at $51,523.06, and the Nasdaq fell 1,421.51 points (5.5%) to close at 24,315.00, reducing the market capitalization of its constituent stocks by $2.5 trillion.

The New York stock market rebounded sharply on the 4th due to the Democratic Party's landslide victory in the U.S. midterm elections, reducing political uncertainty, and a sharp drop in oil prices. The Dow Jones Industrial Average rose 1,569.40 points to close at $53,356.12, and the Nasdaq rose 364.50 points to close at 25,736.51. WTI crude oil futures closed at $88.12.

Major news from November 2nd to 4th. Reports included a raid on Kawasaki City Hall, the results of the U.S. midterm elections, a projectile launch by North Korea, the death of a Japanese national in a train accident in Spain, and the end of a ceasefire in southern Ukraine.

On the 3rd, the New York stock market saw a mix of adjustments in holdings as voting day for the U.S. midterm elections approached. Although the Dow Jones Industrial Average fell, the tech-heavy Nasdaq index rebounded for the first time in four days.