Daiwa Securities says info on 110,000 clients may have been leaked

What it is about

Who published it, and when

How it spread - 18 original reports

1. Mon, 5 October 2026

   2 reports
   • Japan Times07:12first to report
     Daiwa Securities says info on 110,000 clients may have been leaked

     The brokerage said the leak resulted from the servers of an external vendor being hacked.

   • Anadolu Agency (AA)14:56
     Data of over 10M customers exposed in cyberattacks on Japanese firms

     Restaurant operator reports massive customer data leak, while brokerage says information belonging to around 110,000 clients may have been compromised

2. Tue, 6 October 2026

   1 report
   • Anadolu Agency (AA)10:12
     Japanese internet firm says data of nearly 950,000 members stolen in cyberattack

     Retailer Mr Max reports separate breach affecting up to 1.7M customers

3. Wed, 7 October 2026

   2 reports
   • Japan Times04:13
     Cyberattacks against Japanese firms continue, putting millions at risk of identity theft

     Authorities are trying to get to the bottom of the situation after more companies across various sectors reported data breaches.

   • thearabianpost.com09:01
     Nikkei confirms two employee cloud account breaches

     Nikkei has disclosed unauthorised access to two employee cloud accounts with one compromised Microsoft 365 mailbox used to send about 9 000 phishing emails

4. Sat, 10 October 2026

   1 report
   • Japan Times01:31
     More Japanese firms hit by large-scale data breaches

     The companies respectively said that they had found no evidence of unauthorized use of the affected information by third parties.

5. Wed, 14 October 2026

   1 report
   • Japan Times03:26
     Customer data breach suspected at sushi delivery operator

     The affected data includes the personal information of users of the company's Gin no Sara, Sushi Joto and Kamatora delivery services.

6. Thu, 15 October 2026

   2 reports
   • South China Morning Post00:00
     AI-armed hackers tear through corporate Japan’s neglected defences

     Japanese companies have faced a growing wave of cyberattacks in recent weeks, exposing millions of customers’ records as analysts warn that artificial intelligence is helping hackers exploit long-standing security weaknesses and overcome language barriers that once offered some protection. More than 500 breaches of corporate systems were reported in the year to this month, surpassing the total for all of 2025, the Yomiuri newspaper reported last week. On October 7, a ransomware attack on IDC...

   • livemint.com18:37
     Millions hit by data breach in Japan: How cyber insurance can protect you against such risks — check costs, coverage

     Rising cyberattacks and online fraud underscore the risks of identity theft and financial loss. Personal cyber insurance may cover eligible incidents, including phishing and unauthorised transactions. Here's all you need to know.

7. Sat, 17 October 2026

   1 report
   • Japan Times02:04
     Cyberattacks continue to menace Japan as more firms disclose data breaches

     More firms have disclosed details of data breaches that could affect millions of customers.

8. Mon, 19 October 2026

   3 reports
   • Japan Times06:00
     [Update 2] Report on Unauthorized Access to Group Managed Server and Potential Data Leak

     The Japan Times, Ltd. and News2u Holdings, Inc. (Chiyoda-ku, Tokyo; hereinafter "our Group") hereby provide an update on the progress of the investigation and monitoring being conducted in cooperation with external specialized organizations regarding the unauthorized access to our Group managed server, originally announced by The Japan Times, Ltd. on October 2, 2026.

   • Japan Times11:08
     Over 16% of Japanese companies experience data breaches

     According to the survey, 30.2% of large companies suffered or potentially suffered breaches, significantly higher than 14.3% among small businesses.

   • tokyoreporter.com23:37
     Japanese firms scrambling for help after hackers compromise over 1.8 million customer records

     A relentless wave of cyberattacks has battered major Japanese corporations, compromising over 1.8 million personal records

9. Tue, 20 October 2026

   1 report
   • Japan Times07:09
     Chinese AI tool used in cyberattacks on Japanese companies, investigation finds

     The threat of cyberattacks for Japanese companies has grown recently, as the number of companies disclosing data breaches continues to rise.

10. Wed, 21 October 2026

    4 reports
    • Channel News Asia03:36
      State Bank of India reports cyberattack involving nearly 3,900 customer records
    • Times of India06:42
      SBI data leak: Nearly 4,000 customer records found on dark web; what we know so far

      The State Bank of India has confirmed that 3,897 customer records may have been compromised and found on the dark web. Following alerts from cybersecurity agencies, an initial investigation revealed that sensitive personal data such as mobile numbers and loan details were involved. SBI has initiated its cyber incident response plan and is actively looking into the breach's validity and origins.

    • scroll.in10:12
      Personal details of nearly 3,900 SBI customers leaked on dark web in cyberattack

      More than 3.75 lakh records had been compromised, a preliminary investigation by the public sector bank found.

    • ibtimes.co.uk12:23
      Data Breach in India Exposes Customer Names, Addresses and Loan Records on Dark Web

      State Bank of India says 3,897 customer records containing personal information were identified in suspected dark-web data, while an independent agency investigates the exposure.