Cybersecurity Knowledge Hub

The Cyber121 Blog

Insights, research, and practical guides from the cybersecurity community. Written by practitioners, for practitioners.

5 articles

Featuredcveapacherce

CVE-2024-44000: Understanding the Critical Apache Vulnerability

A deep dive into the critical Apache vulnerability that affected millions of servers worldwide — how it works, who was affected, and how to patch.

S
Sarah Mitchell
6m5,123187Today
qr-codequishing

QR Code Phishing (Quishing): The Attack Vector You're Probably Ignoring

QR codes have become a mainstream attack vector. Learn how threat actors use malicious QR codes to bypass email security filters and steal credentials.

J
James Okafor
7m1,895672w ago
cvssvulnerability-management

CVSS v3.1 Explained: How to Read and Use Vulnerability Scores

CVSS scores are everywhere in security, but many practitioners misuse them. This guide explains what each metric means and how to apply scores in real-world risk decisions.

P
Priya Sharma
9m3,2451123w ago
Featuredthreat-intelligenceosint

Building a Threat Intelligence Programme from Scratch

Most organisations know they need threat intelligence but don't know where to start. This practical guide walks through building a TI programme on any budget.

M
Marcus Webb
11m4,104157Feb 24, 2026
Featuredcommunityannouncement

Welcome to Cyber121: A Community for Cybersecurity Enthusiasts

Cyber121 is a community-driven platform for cybersecurity enthusiasts, practitioners, and learners. Here's what we're building and how you can get involved.

C
Cyber121 Team
5m8,936312Jan 25, 2026

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