Cybersecurity, Curiosity & Code

Notes from a software engineer diving deep into security, architecture, and everything in between.

My Cybersecurity Journey: ReDI, TryHackMe & Finding My Path

Stepping into cybersecurity with curiosity and energy — how the ReDI course shaped my path, TryHackMe made it real, and a Pentester / Red Team result lit me up.

By Oriana • Mar 20 2026 • 4 min read

Recent Posts

My Cybersecurity Journey: ReDI, TryHackMe & Finding My Path

How joining ReDI and diving into TryHackMe revealed my path as a Pentester / Red Team learner.

Day 1: Intro to Cybersecurity: CIA, GRC, Security Models & Certifications

CIA Triad, GRC frameworks, key certifications, and formal security models — Biba, Bell-LaPadula, Clark-Wilson.

Day 2 at ReDI: Networking Fundamentals Through a Security Lens

Switches, routers, IP & MAC addresses, OSI vs TCP/IP, subnetting, CIDR, TCP vs UDP, and the encapsulation process.

Cybersecurity certifications and career paths

Red Team, Blue Team & Cybersecurity Certifications: Which Path Is Yours?

Breaking down the Red Team vs Blue Team divide, Purple Team collaboration, and the certification map for each path.

Wireshark packet analysis and network protocols

Day 3 at ReDI: Wireshark Deep Dive & The Protocol Zoo

Live packet analysis with Wireshark and a full tour of the protocol stack: DHCP, ARP, DNS, TLS, SSH, FTP, TCP, UDP, QUIC, ICMP and more — with security reflections.