This edition tracks the week’s highest-impact cybersecurity and AI-security developments, selected for relevance to security, technology, and communications leaders.
This issue highlights a massive data breach at Japanese telco KDDI affecting 14.2 million users and a zero-day exploit targeting the NAIC. It also covers Microsoft's expansion of its autonomous AI security scanning system, Codename MDASH.
Sources
- [Microsoft Expands Preview of Codename MDASH for Agentic Vulnerability Scanning](https://www.microsoft.com/en-us/security/blog/2026/06/30/whats-new-in-microsoft-security-june-2026)
- [Data Breach at Japanese Telco KDDI Exposes 14.2 Million Email Logins](https://www.bleepingcomputer.com/news/security/data-breach-exposes-up-to-142-million-email-logins-at-six-isps)
- [NAIC Confirms Data Theft by ShinyHunters via Oracle PeopleSoft Zero-Day](https://www.bleepingcomputer.com/news/security/naic-says-public-data-stolen-in-shinyhunters-peoplesoft-breach)
