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4F404 Founders404-founders.com3d ago · 5 min read

Cisco FMC CVE-2026-20316: Active Zero-Day Exploited

Cisco confirmed active exploitation of a vulnerability involving static credentials in the Secure Firewall Management Center. CISA added it to the catalog of known exploited vulnerabilities on July 29

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HHugohugovalters.hashnode.devJul 27 · 4 min read

Site-to-Site IPsec: Connecting Offices Without Losing Your Mind

I have spent a significant portion of my adult life staring at log buffers, watching two expensive routers scream at each other in a language they both ostensibly speak, yet neither understands. There

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Rrathsararr-cyber.hashnode.devJul 22 · 9 min read

Everything Passed. Then the End-to-End Ping Failed.

I dedicated my final year project to an unsung hero. Stanislav Petrov, the Soviet lieutenant colonel who prevented nuclear war by deciding not to trust a system that told him it was certain. My superv

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KRKishore Rkishorecybersec.hashnode.devJul 5 · 4 min read

Free Cybersecurity courses on 2026!

Cybersecurity certifications are available to help you excel in your career.There are some cybersecurity certifications that you can use to help you excel in your career in 2026. Introduction Cybersec

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4F404 Founders404-founders.comJun 23 · 3 min read

Cisco Unified CM: SSRF to Root, Exploit Public, Attacks Active

Cisco Unified Communications Manager has an SSRF bug that leads to root. Public exploit code exists. Attackers are already using it. CVE: CVE-2026-20230 Severity: Critical (CVSS 8.6, Cisco rates Criti

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VViratcoachvirat.hashnode.devJun 22 · 9 min read

Delivered Cisco Catalyst 9800 WLC | 23 Feb – 07 Mar 2026 | Training Highlights & Participant Feedback

Training Overview Training Program: Cisco Catalyst 9800 Wireless LAN Controller (WLC) Delivery Dates: 23 February – 07 March 2026 Duration: 10 Days (Instructor-Led) Trainer: Virat Training Snapshot 📅

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VViratcoachvirat.hashnode.devJun 22 · 7 min read

Delivered Cisco DCMDS 9000 | 26-29 Jan 2026 | Training Highlights & Participant Feedback

Training Overview Training Program: Cisco DCMDS 9000 Delivery Dates: 26–29 January 2026 Duration: 4 Days (Instructor-Led) Trainer: Virat Training Snapshot 📅 Dates: 26–29 January 2026 ⏱️ Duration: 4 D

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NNicknetnoobjourney.hashnode.devJun 7 · 3 min read

Why I'm Starting a Networking & Cybersecurity Journey From Absolute Zero.

Hi everyone, My name is Nick, and I am a complete beginner in the world of networking and cybersecurity. I have recently decided to submerge myself into the Networking and Cybersecurity, after being i

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RKRajmund Kuhnkhnrjm.hashnode.devJun 4 · 8 min read

Configure Zero Touch Provisioning (ZTP) on Cisco C9300 Series Switches

Zero Touch Provisioning (ZTP) is a feature embedded in Cisco IOS-XE that enables a brand-new, unconfigured switch to automatically download and execute a configuration script at first boot — without a

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SRSudhakar Reddyainetworkagent.hashnode.devMay 11 · 13 min read

Cisco AI Assistant

Building an AI-Powered Cisco Network Assistant with n8n, OpenAI, and Python Netmiko Query your Cisco IOS devices using plain English. No CLI knowledge required. What We're Building A conversational

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Trending tags this week

Cisco FMC CVE-2026-20316: Active Zero-Day Exploited

Site-to-Site IPsec: Connecting Offices Without Losing Your Mind

Everything Passed. Then the End-to-End Ping Failed.

Free Cybersecurity courses on 2026!

Cisco Unified CM: SSRF to Root, Exploit Public, Attacks Active

Delivered Cisco Catalyst 9800 WLC | 23 Feb – 07 Mar 2026 | Training Highlights & Participant Feedback

Delivered Cisco DCMDS 9000 | 26-29 Jan 2026 | Training Highlights & Participant Feedback

Why I'm Starting a Networking & Cybersecurity Journey From Absolute Zero.

Configure Zero Touch Provisioning (ZTP) on Cisco C9300 Series Switches

Cisco AI Assistant