Understanding IDS and IPS
Technical overview of intrusion detection and prevention: IDS components, HIDS/NIDS classifications, deployment strategies, IPS inline blocking and relationship with IRS.
Security Devices & Systems
Practical Analysis of Full-Stack Tracing for Microservices
Overview of full-stack tracing and Google Dapper concepts, call-chain instrumentation, collectors, analysis, and comparison of Zipkin, Pinpoint, and SkyWalking.
How Cloud Security Differs from Traditional Security
Concise technical overview of cloud computing, deployment and service models, and cloud-native risks, with emphasis on cloud security and Kubernetes misconfigurations and threats.
Security System Components and Their Functions
Technical overview of security systems and video management system components: access control, intrusion alarms, intelligent analysis for monitoring, response and evidence.
5 Key Areas of Cybersecurity and Why It Matters
Summary of five cybersecurity areas—confidentiality, integrity, availability, trust, and risk management—and their role in protecting privacy, assets, and national security.
Commissioning and Preparation for Video Surveillance Systems
Structured guide to video surveillance commissioning: preparation, equipment checks, camera and VMS adjustments, alarm linkage verification, and commissioning report requirements.
Firewall: Definition and Core Technologies
Technical overview of firewalls, their roles, key functions and principal technologies for network security to control access, inspect traffic and log events.
Types of Network Monitoring Systems and Required Devices
Overview of network monitoring systems, common types (firewall, IDS/IPS, traffic and log analysis, IAM) and required devices with deployment and privacy considerations.
Security System Components and Functions
Technical overview of security systems covering surveillance cameras and access control, plus DVR/NVR, alarm integration, remote monitoring, and incident response.
Why Attackers Target IoT Devices
Analysis of rising IoT device attacks on OT networks: risks from legacy devices and default credentials, impact on manufacturing, mitigations: discovery, segmentation, identity.
Analysis of Automotive Cybersecurity Technical Requirements
Review of China's Vehicle Information Security Technical Requirements draft, analyzing cybersecurity implications for plug-and-play, authorization, risk-based scope and management.
Mini Program Decompilation: A Security Testing Case Study
Guide to decrypting and decompiling WeChat mini program wxapkg on macOS, capturing traffic, extracting SM2 keys, and testing backend authorization risks.
