Symantec Exposes Chinese APT Overlap: Zingdoor, ShadowPad, and KrustyLoader Used in Global Espionage Cyber Security Malware Symantec Exposes Chinese APT Overlap: Zingdoor, ShadowPad, and KrustyLoader Used in Global Espionage Ddos October 23, 2025 Read More Read more about Symantec Exposes Chinese APT Overlap: Zingdoor, ShadowPad, and KrustyLoader Used in Global Espionage