CTF Event
CSS CTF 2026: Return of Nexus
Sep 30 – Oct 1, 2026
about
CSS CTF 2026: Return of Nexus is a 40-hour online Capture The Flag competition organized and hosted by the USYD Cybersecurity Society. A year after the network went dark, the Quantum Nexus Network is back online. Join us for a 40-hour sprint featuring challenges spanning Web Exploitation, PWN, Reverse Engineering, Cryptography, Forensics, OSINT, and AI/Prompt Injection across skill levels. Organizer: USYD Cybersecurity Society Format: Jeopardy-style (Team & Solo) Start: Wednesday, 30 September 2026 @ 4:00 PM AEST End: Friday, 2 October 2026 @ 10:00 AM AEST Duration: 40 Hours continuous Categories: Web, Pwn, Rev, Crypto, Forensics, OSINT, AI, etc Discord / Updates: https://discord.gg/gUGqmt4Gqf Platform: CTFd
stuck on a CSS CTF 2026: Return of Nexus challenge?
get progressive, spoiler-free hints — nudge → technique → near-solution. never the flag. covers web, crypto, pwn, forensics, reversing, osint, and misc.
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