The curated list of resources we actually use ourselves and recommend without reservation. Updated regularly.
Hands-On Training Platforms HackTheBox — the canonical playground for offensive security HackTheBox Academy — structured modules and pathways TryHackMe — best onboarding for beginners PortSwigger Web Security Academy — free, irreplaceable for web OverTheWire — classic Linux + crypto wargames PWN.college — binary exploitation, Arizona State University Free Learning Resources HackTricks — the offensive cheat sheet MITRE ATT&CK — the adversary tactic & technique reference MITRE D3FEND — defensive technique counterpart OpenSecurityTraining2 — full courseware, free LiveOverflow YouTube — high-quality binary exploitation John Hammond YouTube — CTF walkthroughs Books We Recommend Offensive The Web Application Hacker’s Handbook — Stuttard & Pinto The Hacker Playbook 3 — Peter Kim Red Team Field Manual (RTFM) — Ben Clark Real-World Bug Hunting — Peter Yaworski Defensive / DFIR The Art of Memory Forensics — Ligh, Case, Levy, Walters Practical Malware Analysis — Sikorski & Honig Blue Team Field Manual (BTFM) — Alan White & Ben Clark The Practice of Network Security Monitoring — Richard Bejtlich Engineering & Foundations Computer Networking: A Top-Down Approach — Kurose & Ross Operating System Concepts — Silberschatz Cryptography Engineering — Ferguson, Schneier, Kohno Certifications by Career Stage Entry CompTIA Security+ — HR filter cert; cheap, broad eLearnSecurity eJPT — best entry-level offensive cert Microsoft SC-200 — for SOC analysts in M365 environments Mid-Career Offensive OSCP — still the canonical offensive cert HTB CPTS — increasingly accepted as OSCP alternative OSWE — web exploitation specialization CRTP / CRTE — Active Directory specialization Mid-Career Defensive GCIA / GCIH / GCFA — SANS, gold standard, expensive HTB CDSA — defensive analyst cert CCD — Certified CyberDefender by CyberDefenders Strategic / Leadership CISSP — for management track and HR filters CISM — for security management CCSP — for cloud-security leadership CTF Platforms & Competitions CTFtime — calendar of every public CTF picoCTF — beginner-friendly, year-round Cyber Apocalypse — annual HTB event Google CTF — high-quality challenges, annual DEF CON CTF — pinnacle competition Newsletters & Podcasts Newsletters tl;dr sec — Clint Gibler’s weekly AppSec roundup Risky Biz News — security news, mostly free CyberWire Daily — daily news with depth Podcasts Darknet Diaries — long-form security storytelling Risky Business — weekly news and analysis SANS ISC Stormcast — daily 5-minute brief Conferences DEF CON (Las Vegas) — annual, late summer Black Hat USA — co-located with DEF CON RSA Conference — enterprise security BSides events — local, free or low-cost; check your region OffensiveCon — offensive research focus NULLCON (India), NorthSec (Canada), Insomni’hack (Switzerland) Communities Reddit: r/netsec, r/AskNetsec, r/cybersecurity (lighter) Discord: HackTheBox, TryHackMe, individual creator servers Twitter/X: follow @csecurityelite plus established researchers InfosecMastodon: infosec.exchange — the post-Twitter holdout community If we missed a resource you find indispensable, tell us — contact [at] cybersecurityelite.com.