INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).

Daiwa Securities Hit by Cyber Attack

| 2026-10-05 06:07 HIGH LOW DATA BREACH
Executive Summary
AI-generated
Japan - Daiwa Securities Daiwa Securities disclosed a data breach at customer-inquiry service provider Scala Communications, whose servers were accessed without authorization on October 2–3, 2026. The targeted entity is Japan - Daiwa Securities Daiwa Securities itself, which was the victim of this cyber operation type known as Data Breach. This incident affected Japan - Daiwa Securities Daiwa Securities and Scala Communications, with no specific number of individuals or data records impacted reported in the sources. The attack appears to have been carried out by accessing servers without authorization on October 2–3, 2026, resulting in a breach at Scala Communications' customer-inquiry service provider for Japan - Daiwa Securities Daiwa Securities.
Technical Mitigations AI-generated
• Reset credentials and API keys that may have been exposed, and review access logs for the affected accounts or integrations.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
Target & Sectors
JP
Incident Timeline
‎October 2–3, 2026
Threat actors accessed Scala Communications' servers without authorization on October 2–3, 2026.
target_region Japan
tactic Data Breach
organisation Japan - Daiwa Securities Daiwa Securities
organisation Scala Communications
‎2026/10/05
Threat actors used a phishing campaign to target Japan - Daiwa Securities on October 5, 2026.
organisation Japan - Daiwa Securities Daiwa Securities
Intelligence Sources
Bluesky Hackmanac 2026-10-05