NetworkingLinuxDevOpsSecurityHow to Set Up a Reverse Proxy with Nginx for Self-Hosted AppsStep-by-step guide to configuring Nginx as a reverse proxy for self-hosted applications like Grafana, Portainer, and Nextcloud — with SSL, load balancing, and security hardening.March 7, 20268 min read
CybersecurityNetworkingCiscoVulnerabilityCisco SD-WAN Manager CVE-2026-20128 & CVE-2026-20122 Under Active Exploitation — Patch ImmediatelyCisco confirms active exploitation of two more Catalyst SD-WAN Manager vulnerabilities. CVE-2026-20122 allows arbitrary file overwrite via API, CVE-2026-20128 leaks DCA credentials. Here's the full breakdown, exploit chain, and remediation steps.March 6, 20268 min read
AINetworkingNetwork MonitoringAutomationAgentic AI in Network Operations: The Rise of the Autonomous NOC in 20262026 marks the year Tier 1/2 network operations go autonomous. Learn how agentic AI is replacing human-in-the-loop NOC workflows for incident response, remediation, and change management.February 28, 20268 min read
SNMPCybersecurityNetwork MonitoringNetworkingThe SNMP Security Gap Nobody Wants to Admit: Why SNMPv3 Migration Can't Wait in 2026Most networks still run SNMPv1/v2c with community strings in plaintext. Learn why SNMP is the biggest unpatched security gap in 2026 and how to migrate to SNMPv3 with this practical step-by-step guide.February 28, 20267 min read
CybersecurityNetworkingCiscoVulnerabilityCVE-2026-20127: Critical Cisco SD-WAN Zero-Day Exploited Since 2023 — What You Need to Do NowCISA has issued Emergency Directive 26-03 for CVE-2026-20127, a CVSS 10.0 authentication bypass in Cisco Catalyst SD-WAN. Learn the vulnerability details, detection steps, and immediate remediation actions.February 26, 20268 min read
IoTAIRISC-VEdge ComputingIndustrial IoTEdge AI + RISC-V: The New Standard for IoT Hardware in 2026How RISC-V and Edge AI are transforming IoT hardware — from custom NPUs and chiplet designs to real-world deployments in industrial monitoring, smart agriculture, and predictive maintenance.February 26, 20269 min read
CybersecurityNetworkingAINMSMonitoringAI-Powered Network Monitoring & Threat Detection: Tools, Techniques, and Real-World SetupHow AI and machine learning are transforming network monitoring and threat detection in 2026 — covering anomaly detection, automated response, open-source tools, and practical deployment for IT and OT networks.February 24, 20268 min read
IoTNetworking5GWi-FiIndustrial IoTWi-Fi 7 vs 5G-Advanced for Industrial IoT: Which Connectivity Wins in 2026?A detailed comparison of Wi-Fi 7 (802.11be) and 5G-Advanced (Release 18) for industrial IoT deployments — covering latency, reliability, cost, spectrum, and real-world use cases for factories, railways, and smart infrastructure.February 24, 20268 min read
SNMPRailway SignallingIndustrial IoTNetworkingNMSSNMP for Industrial & Railway Device Monitoring: Switches, RTUs, and Field EquipmentLearn how to use SNMP to monitor industrial and railway signalling equipment — managed switches, RTUs, track circuits, signal controllers, and environmental sensors in harsh field environments.February 21, 20269 min read
RailwayIoTPredictive MaintenanceMachine LearningIoT-Based Predictive Maintenance for Railway Signalling — From Reactive to ProactiveHow IoT sensors, machine learning, and real-time monitoring are transforming railway signalling maintenance. A deep dive into RDPMS for track circuits, point machines, and signals.February 18, 20269 min read
SecurityOWASPWeb DevelopmentDevOpsOWASP Top 25 Web Security Vulnerabilities — A Visual Guide for 2026A comprehensive, visual breakdown of the most critical web application security risks. Learn what each vulnerability is, how attackers exploit it, and how to defend against it.February 18, 202610 min read
RailwaySignallingPoint MachineIoTRailway Point Machine — Working Principle, Types, and Fault DiagnosisA complete guide to how railway point machines work — electrical, electro-hydraulic, and clamp type. Includes current signature analysis, fault diagnosis, and IoT monitoring.February 18, 202611 min read