PTA (Persistent Threat Analysis System) by Antiy Labs is an anti-APT product designed for in-depth identification and analysis of advanced persistent threats. It performs comprehensive security analysis on documents and executable files to detect both known and unknown threats. PTA utilizes Antiy's AVL SDK, extensive virus databases, and whitelist databases to achieve high-accuracy detection of known threats and marking of whitelist objects. Leveraging Antiy's 17 years of antivirus experience and APT incident analysis, PTA offers superior detection and analysis capabilities for advanced threats compared to ordinary sandbox products in terms of accuracy, capability, and speed.