CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. Between 75-95% of retail investor accounts lose money when trading CFDs with this provider. You should consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.
Open platformOpen platform

SMBC Reports Leak of 227,216 Email Addresses After Third-Party Service Breach

By Public Technologies
  • Sumitomo Mitsui Banking disclosed on November 5, 2026, that unauthorized access to Arara’s email distribution service exposed 227,216 email addresses.
  • The leak covered recipients of SMBC emails sent between July 1 and October 31, 2026, primarily corporate customers.
  • Arara initially reported no evidence of leakage on October 28; further investigation confirmed the exposure on November 2.
  • The exposed information excluded bank account details and login credentials, but affected customers could face impersonation emails.
  • SMBC will investigate the breach’s timing, methods and scope with Arara, reporting the incident to relevant authorities.


Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Sumitomo Mitsui Financial Group Inc. published the original content used to generate this news brief on November 05, 2026, and is solely responsible for the information contained therein.

Capital.com is an execution-only brokerage platform and the content provided on the Capital.com website is intended for informational purposes only and should not be regarded as an offer to sell or a solicitation of an offer to buy the products or securities to which it applies. No representation or warranty is given as to the accuracy or completeness of the information provided.

The information provided does not constitute investment advice nor take into account the individual financial circumstances or objectives of any investor. Any information that may be provided relating to past performance is not a reliable indicator of future results or performance.

To the extent permitted by law, in no event shall Capital.com (or any affiliate or employee) have any liability for any loss arising from the use of the information provided. Any person acting on the information does so entirely at their own risk.

Any information which could be construed as “investment research” has not been prepared in accordance with legal requirements designed to promote the independence of investment research and as such is considered to be a marketing communication.