Weekly Cyber Intel Brief | 2025-10-31

Weekly Cyber Intel Brief: Week Ending 2025-10-31

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Weekly Cyber Intel Brief | 2025-10-31

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 critical CISA alert on actively exploited WSUS vulnerabilities, a confirmed data breach at Toys “R” Us Canada, and a milestone in AI-driven security with the discovery of new OpenSSL zero-days.

Sources - [CISA and Microsoft Alert on Actively Exploited WSUS Vulnerability](https://www.cisa.gov/news-events/alerts/2025/10/24/microsoft-releases-out-band-security-update-mitigate-windows-server-update-service-vulnerability-cve) - [Toys “R” Us Canada Confirms Data Breach After Dark Web Leak](https://www.securityweek.com/toys-r-us-canada-customer-information-leaked-online) - [Autonomous AI System Discovers Multiple Zero-Day Vulnerabilities in OpenSSL](https://www.lesswrong.com/posts/7aJwgbMEiKq5egQbd/ai-found-12-of-12-openssl-zero-days-while-curl-cancelled-its)