In order to further strengthen the network security risk response capabilities of the Zhangjiamao Intelligent Maintenance Center Support Service Unit of the Information Technology Operation and Maintenance Branch，Improve the quality of network security operation and maintenance，In accordance with the spirit of the document "Notice on Carrying out the 2023 Cybersecurity Emergency Drill of Shaanxi Coal Group"，Zhangjiamao Intelligence Center combines the actual situation of network security in mining areas，Actively prepare for war，Do a good job in defending this network M88 gamesecurity emergency drill。

During preparation for war，The center’s business managers proactively contacted the heads of relevant units at the mine，Developed the "Safety Protection Work Plan for Offensive and Defense Drills"，Organize and establish a network security emergency drill defense support team，Established a network security monitoring team、Research and Analysis Team、Emergency Response Team、Technical support group and other eight security technical support groups，Clear the job responsibilities and work content of relevant personnel；Comprehensive review of local area networks in the mining area、Dedicated line network、Operator Internet network and asset information of each information system，Form "Information System Asset List", "Hardware Asset List" and "Information System Port Mapping List"；Carry out all-round penetration testing work，Change weak passwords promptly、Fix server system vulnerability、Hardening firewall policy、Added security measures，Comprehensively build a network security shield in the mining area。

Starting at 0:00 on September 18th，The technical staff of the center strictly implement M88 appthe network security protection duty system，Each technical support team performs its own duties，Utilizing network security monitoring system，All-weather monitoring mining area related application APP、Access Internet Service Data，Prevent abnormal applications from penetrating into the internal LAN。When abnormal events are discovered, they can be traced back to the source based on penetration traces，Precisely locate the internal trapped equipment，Remove malware and deeply harden infected assets；Strengthen analysis of the collapse incident，Perform full traffic threat detection，Effectively respond to targeted attacks and random attacks。

Zhangjiamao Zhiwei Center takes this offensive and defensive drill as an opportunity，Insist on finding current network security problems through actual combat，Problem-oriented，Optimize network security protection equipment and policy deployment，Promote the construction of network security protection system，Helping network security operation and maintenance work to a new level。(Xie Wenhao)