Joseph Chisom Ofonagoro

@HuntedPen

Website

Cybersecurity Analyst | Technical Writer | OSINT Enthusiast | Promoting Responsible Use of the Internet.

Lagos, Nigeria.Joined January 2023

About

Hi there! I am a curious techie. My spare time is spent with books.

Available for

Technical Writing Gigs. Cybersecurity SOC Analysis.

Joseph Chisom Ofonagoro's blogs

Joseph Chisom Ofonagorochisom.hashnode.dev29 posts

Frixx blogblog.frixxapp.com1 post

Articles Threads Comments

Recently published

chisom.hashnode.dev

A Clean Dashboard Doesn't Imply Security: Here's Why

I recently uncovered a concerning security blind spot in an enterprise case study—a flaw that highlights the dangerous assumption many make when it comes to cybersecurity: that 'no alerts' equals 'no threats'. Security is inherently complex, but the ...

Feb 14 min read

chisom.hashnode.dev

Why YARA Rules are Better Than Hashes in Malware Detection

When carrying out threat intelligence or threat hunting, one of the most vital necessities is IOCs or IOA. These little fragments are like cues that guide the analyst to a better malware investigation. However, malware are digital files, or better, b...

Dec 4, 20256 min read

chisom.hashnode.dev

5ive Stupid Ways to Avoid Phishing

Phishing is terrible. It accounts for most cyber attacks globally, costing billions of dollars annually. First things first, I don’t have a solid reason I used the word ‘stupid’ in the title, maybe because it’s so simple, and requires just a little c...

Oct 27, 20256 min read

chisom.hashnode.dev

Security by Segmentation: The 3-tiered Network Architecture

Introduction Malware infections are known to spread quickly within networks. This is better known as lateral movement. To combat this type of spread, security teams employ a variety of measures, one of which is Network Segmentation. Network Segmentat...

Oct 21, 20255 min read

chisom.hashnode.dev

Security Blue Team Wireshark Exam Walkthrough

Introduction I recently wrote and passed the Wireshark exam from the Security Blue Team with a 9/9 mark. ‎ ‎ This was part of my Networking sub-path. ‎ ‎ It was a deeply practical experience from A to Z, as I had to work with two Wireshark PCAP files...

Sep 11, 202511 min read

Joseph Chisom Ofonagoro

About

Available for

Joseph Chisom Ofonagoro's blogs

Recently published

A Clean Dashboard Doesn't Imply Security: Here's Why

Why YARA Rules are Better Than Hashes in Malware Detection

5ive Stupid Ways to Avoid Phishing

Security by Segmentation: The 3-tiered Network Architecture

Security Blue Team Wireshark Exam Walkthrough

Search Hashnode

Joseph Chisom Ofonagoro

About

Available for

Joseph Chisom Ofonagoro's blogs

Recently published

A Clean Dashboard Doesn't Imply Security: Here's Why

Why YARA Rules are Better Than Hashes in Malware Detection

5ive Stupid Ways to Avoid Phishing

Security by Segmentation: The 3-tiered Network Architecture

Security Blue Team Wireshark Exam Walkthrough