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daily briefOctober 28, 2026 3 min read

Security Brief — October 28, 2026

The cybersecurity landscape remains volatile as state-aligned actors leverage agentic AI for supply-chain attacks and major financial institutions manage data exposure incidents.

By SecureIDsafe Threat Team · SecureIDsafe Threat Research#daily-brief

Breaches

  • State Bank of India Data Exposure — SBI confirmed 3,897 customer records were exposed on the dark web, with all affected individuals notified.
  • IDC Frontier Ransomware Outage — The SoftBank subsidiary continues recovery efforts following an early October ransomware attack that impacted its East Japan Region 1 cloud infrastructure.

AI Attacks

  • Storm-0940 ARTEX Campaign — A China-state-aligned actor is using the ARTEX framework to automate cloud intrusions, impacting over 2,250 Microsoft 365 tenants via compromised ConnectWise credentials.

Dark Web

  • October 2026 Ransomware Surge — Global ransomware activity remains elevated, with hundreds of victims reported across various sectors throughout October.
daily briefbreachesai attacksdark web

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