Marcelle Lee – Medium

Marcelle Lee

TryHackMe Walkthrough: Snapped Phish-ing Line

This is the second of my TryHackMe (THM) walkthroughs. THM is a fabulous platform for learning, with a wide variety of topics and skill…

6 min readSep 4, 2023

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TryHackMe Walkthrough: Snapped Phish-ing Line

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Marcelle Lee

TryHackMe Walkthrough: h4cked

This is the first of my TryHackMe (THM) walkthroughs. THM is a fabulous platform for learning, with a wide variety of topics and skill…

6 min readAug 15, 2023

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TryHackMe Walkthrough: h4cked

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Marcelle Lee

CTF Challenge Walkthrough: Network Traffic Analysis, 12 Challenges in one PCAP

It has been a while since I have posted a walkthrough and I was just thinking about this network traffic analysis challenge since I was…

6 min readOct 25, 2020

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CTF Challenge Walkthrough: Network Traffic Analysis, 12 Challenges in one PCAP

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Marcelle Lee

Kickstarting Your Career in Cybersecurity — Cyber Competitions

Author’s note: I originally published this article on LinkedIn. Since then, I have curated some competition-oriented resources on my…

9 min readJul 13, 2019

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Kickstarting Your Career in Cybersecurity — Cyber Competitions

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Marcelle Lee

Roam If You Want To…Travel Tips from 43K Feet

Traveling can be an adventure. It can also be a nightmare. Learning how to best navigate (pun intended!) is an essential part of making…

5 min readJun 19, 2019

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Roam If You Want To…Travel Tips from 43K Feet

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Marcelle Lee

CTF Challenge Walkthrough: Logical Operations

The challenge in this walkthrough asked for the result in decimal of 4A & 2D. Competitors typically attempt a mathematical addition…

3 min readMay 19, 2019

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CTF Challenge Walkthrough: Logical Operations

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Marcelle Lee

CTF Challenge Walkthrough: Network Traffic Analysis, Rogue User

In this walkthrough, we will be analyzing a packet capture (PCAP) file, rogue_user.pcap. The challenge was to identify the rogue user that…

4 min readFeb 27, 2019

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CTF Challenge Walkthrough: Network Traffic Analysis, Rogue User

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Marcelle Lee

CTF Challenge Walkthrough: File Metadata

This is the second in my series of cyber competition challenge walkthroughs. As I’ve mentioned previously, Capture the Flag (CTF)…

4 min readDec 17, 2018

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CTF Challenge Walkthrough: File Metadata

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Marcelle Lee

CTF Challenge Walkthrough: Modified Header

This is the first of my promised Capture the Flag (CTF) cyber competition walkthroughs. I built the subject forensics-oriented modified…

4 min readNov 25, 2018

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CTF Challenge Walkthrough: Modified Header

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Marcelle Lee

The Importance of Networking in Cybersecurity

The cybersecurity community is relatively small and very connected, and it is essential to grow and nurture a network. Who you develop…

4 min readNov 23, 2018

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The Importance of Networking in Cybersecurity

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Marcelle Lee

Marcelle Lee

Security researcher, educator and business owner in the field of cybersecurity. Advocate of diversity in tech. https://marcellelee.github.io

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