Overview   Ahnlabs is monitoring APT (Advanced Persistent Threat) attacks in South Korea by utilizing their own infrastructure. This report covers the classification, statistics, and features of APT attacks in South Korea that were identified in January 2026. Figure 1. Statistics of APT attacks in South Korea in January 2026 Most of the APT attacks […]

Microsoft patches CVE-2026-20841, a high-severity Windows Notepad flaw that could allow code execution via malicious Markdown files.

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Overview   AhnLab monitoring APT (Advanced Persistent Threat) attacks in South Korea using its own infrastructure. This report covers the classification and statistics of APT attacks in South Korea that were identified over the course of one month in December 2025. It also provides an overview of the features of each attack type.    Figure 1. […]