Weekly Cyber Intel Brief | 2025-12-05

Weekly Cyber Intel Brief: Week Ending 2025-12-05

PressContact Blog · 1 minute read

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 the official attribution of the Upbit hack to North Korea's Lazarus Group, Google's patch for two actively exploited Android zero-days, and a joint agency report on the PRC-linked BRICKSTORM backdoor.

Sources - [South Korea Officially Attributes 2019 Upbit Hack to North Korea’s Lazarus Group](https://www.csis.org/programs/strategic-technologies-program/significant-cyber-incidents) - [Google Patches Two Actively Exploited Zero-Days in December 2025 Android Update](https://www.securityweek.com/androids-december-2025-updates-patch-two-zero-days) - [CISA and International Partners Detail PRC-Linked BRICKSTORM Backdoor](https://www.cisa.gov/news-events/analysis-reports/ar25-338a)