Network Security – TheCyberThrone

From Gates to Grids: CISSP Executive Briefing on Multi-Tier Firewall Architecture

Preface In the evolving battlefield of cybersecurity, walls alone are no longer enough. Attackers are smarter, faster, and more persistent, slipping past single lines of defense with alarming ease. Organizations…

PravinKarthik September 24, 2025

Security Certifications

Certified in Cybersecurity Domain 4 Network Security Detailed Notes

Objective This domain introduces the core concepts of networking and how security integrates within that structure. You’ll explore topics from basic network models and devices to secure communication protocols and…

PravinKarthik August 2, 2025

Tunnel Crack Attack affecting VPN’s

TunnelCrack is a combination of two widespread security vulnerabilities in VPNs. An adversary can abuse these vulnerabilities to leak traffic outside the VPN tunnel. A team of academics – Nian…

PravinKarthik August 20, 2023

Canon Printer Vulnerability Can Expose User Data

Canon has warned its users that sensitive information on the Wi-Fi connection settings stored in the memories of home, office and large format inkjet printers may not be deleted by…

PravinKarthik August 2, 2023

Zyxel vulnerability exploited by BOTS

A critical vulnerability in Zyxel devices tracked as CVE-2023-28771 is having an increased exploitation by botnets. Since the US CISA adds it to the KEV Catalog, this surge is seen.…

PravinKarthik July 25, 2023

SonicWall addresses patches for more than dozen vulnerabilities

SonicWall addressed multiple critical vulnerabilities in its Global Management System (GMS) firewall management and Analytics network management and reporting engine. The company fixed 15 vulnerabilities that were disclosed in a…

PravinKarthik July 13, 2023

CVE-2023-20214: Cisco SDWAN Api Vulnerability

Cisco is warning that the vManage software that ships with its SD-WAN has an authentication vulnerability in its REST API. The critical-rated vulnerability, tracked as CVE-2023-20214, has a CVSS score…

PravinKarthik July 13, 2023

Fortinet Patches Critical RCE Vulnerability in FortiOS

Fortinet has released patches to address two security vulnerabilities in Fortinet’s FortiOS and FortiProxy software. The first vulnerability identified as CVE-2023-28001 in Fortinet’s FortiOS. This flaw, classified as ‘Insufficient Session…

PravinKarthik July 12, 2023