MICROSAR Network Security Explained
Collection of circuit diagrams and schematics: gallery of detailed electrical diagrams and layout images for engineers and developers.
Security Devices & Systems
In the realm of electronics and printed circuit board (PCB) design, Security Devices & Systems represent a critical intersection of technology and protection. This category delves into the hardware and systems that safeguard homes, businesses, and infrastructure against unauthorized access, theft, and other threats. From intrusion detection sensors to advanced biometric locks, these devices rely on sophisticated PCB layouts to ensure reliability and efficiency. Understanding their design principles not only enhances security measures but also drives innovation in fields like IoT integration and wireless communication. Our articles provide comprehensive guides on selecting and assembling components for security systems, including microcontrollers, RF modules, and power management circuits. Tutorials walk through practical builds, such as creating a custom alarm system or integrating cameras with edge computing. Insights into emerging trends, like AI-enhanced surveillance and blockchain for secure data transmission, offer forward-looking perspectives. Best practices emphasize robust PCB design to withstand environmental challenges, ensuring longevity and minimal false positives in real-world deployments. The technical relevance of Security Devices & Systems extends to diverse applications, from residential smart homes that alert users via mobile apps to industrial setups monitoring critical assets in manufacturing plants. By addressing power efficiency, signal integrity, and scalability, these topics equip engineers and hobbyists with the knowledge to implement effective solutions. As cyber-physical threats evolve, staying informed on these systems is essential for maintaining secure environments. Readers will find value in the range of articles here, each building on core concepts to tackle specific challenges in security electronics. Whether optimizing battery life in portable devices or troubleshooting network vulnerabilities, the content fosters a deeper grasp of how PCBs power modern security.
Security Analysis of Query and SMS Bombing
Technical analysis of DarkComet RAT: static and dynamic behavior, infection/persistence, keylogging and exfiltration, identified IOCs and remediation steps.
Firewall Basics vs Routers and Switches
Technical overview of firewall fundamentals covering security zones, security policies, stateful session table behavior, aging and server-map handling for protocol exceptions.
Rockwell PLC Authentication and Communication Vulnerabilities
Analysis and reproduction of an authentication and communication vulnerability in Rockwell PLCs: ENIP protocol allows remote IP modification (AB1756), with patch guidance.
How Autonomous Driving Can Speed Cybersecurity Approvals
ATEEL designations and certifications: EU/UNECE technical service body; ISO/IEC 17020 & 17025 accredited; TISAX; Fusa, cybersecurity, pen and fuzz testing.
TLS Secure Connections in CANoe
Explains using private certificates to access decrypted messages from vehicle ECUs for application-layer analysis and signal manipulation while leaving ECU security unchanged.
Public Key Basics for Automotive Security
Explains public key roles, storage, and verification in connected vehicles, covering RSA-2048/SHA-256 signatures, VBT root-hash checks, and production-line/OTA key handling.
Quantum-Enhanced Network Security
DARPA QuANET outlines a 51-month plan to build hybrid quantum-classical metropolitan networks—developing a ruggedized qNIC, quantum-enhanced protocols TA2/TA3 and metrics
NPS and common NAT traversal tools
Overview and configuration examples of NAT traversal and reverse proxy tools (nps, frp, EW, ngrok), covering TCP/UDP forwarding, SOCKS5, web UI and deployment.
Intrusion Alarm System Design and Applications
Technical overview of an alarm subsystem architecture, covering front-end sensors, transmission methods (PSTN/IP/GPRS), and video verification.
White-Plus-Black Technique: Attack and Defense Analysis
Guide to white-plus-black technique and DLL hijacking: locating signed 'white' binaries, building replacement DLLs, testing loading, and detection methods for defenders.
Common NAT Traversal Tools: Principles and Usage
Survey of NAT traversal and internal network proxy tools (nps, frp, EW, ngrok), covering architecture, configuration examples, and usage for penetration testing.
