Invisible Threats Within: Detecting Botnet Activity and Data Exfiltration Before It’s Too Late

**Executive summary:** The article highlights two stealthy threat patterns — DNS-heavy, botnet-like outbound communications (possible C2/DNS tunneling) and rapid, unexpected internal high-volume transfers (potential data staging/exfiltration) — maps them to MITRE ATT&CK techniques and likely APT actors, and recommends behavioral detection, DNS analysis, host isolation, segmentation, and continuous monitoring to detect and mitigate such threats.