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เรียน Network Security / Cybersecurity ฟรีออนไลน์ที่ไหนดี

แหล่งเรียน Network Security / Cybersecurity ฟรีออนไลน์ 2024 (คัดสรรมากคุณภาพ)

🎓 Platform หลัก (Structured Learning Paths)

  • Fortinet NSE Institute — NSE 1, 2, 3, 4 **ฟรีทั้งหมด** + Lab VM (FortiGate) — คุณค่าสูงมากสำหรับ Network Security
  • Palo Alto Networks Cybersecurity Academy — Free Digital Learning (EDU-210 Network Security Fundamentals, EDU-310 Cloud Security) + Lab Access
  • Cisco Networking Academy (NetAcad) — Networking Basics, Cybersecurity Essentials, IoT Security — ผ่าน Partner/School บางแห่งฟรี
  • Microsoft Learn — SC-900, SC-200, SC-300, AZ-500 Learning Paths + Free Sandbox
  • Google Cloud Skills Boost — Cloud Security, Security Command Center, Chronicle SIEM Labs — Free Credits ทุกเดือน
  • AWS Skill Builder — Security Fundamentals, Security Engineering, Specialty Prep — Free Digital Training
  • IBM SkillsBuild — Cybersecurity Analyst, Threat Intelligence, Incident Response — Free
  • Platformจุดเด่นคอร์สแนะนำค่าใช้จ่าย
    TryHackMeGuided Labs, Room-based, Gamified, Beginner-friendlyPre-Security, Complete Beginner, SOC Level 1, Network Fundamentals, Jr Penetration TesterFree Tier พอใช้ / $10/mo (Sub)
    Hack The Box (HTB)Realistic Machines, CTF Style, Proving Grounds, AcademyStarting Point (Free), Academy Modules, Retired Machines (Write-ups)Free Tier / $14/mo (VIP)

    📺 YouTube Channels (คุณภาพสูง, ฟรี, อัปเดต)

    • Professor Messer — A+, Network+, Security+ (SY0-701) **Full Course ฟรี** — Gold Standard
    • NetworkChuck — Networking, Certifications, Career, Labs, Motivation
    • David Bombal — Networking, Python, Cisco, Cybersecurity, Interviews
    • John Hammond — CTF, Malware Analysis, Reverse Engineering, Exploit Dev
    • LiveOverflow — Binary Exploitation, Web Security, CTF, Hardware
    • IppSec — HTB Machine Walkthroughs (Methodical, 教學式)
    • The Cyber Mentor (Heath Adams) — Pentesting, OSCP Prep, Career Advice
    • HackerSploit — Penetration Testing, Malware Analysis, Tools Tutorials
    • Computerphile — Computer Science Concepts (Crypto, Compression, Algorithms)
    • Ben Heck / Low Level Learning — Hardware, Firmware, Reverse Engineering

    📚 Open Courseware / University Courses

    • MIT OpenCourseWare: 6.858 Computer Systems Security, 6.857 Network and Computer Security
    • Stanford CS253: Web Security (Video + Slides)
    • CMU 15-440/18-733: Distributed Systems / Applied Crypto
    • NYU Tandon: Cybersecurity MOOCs (Coursera/edX Audit Free)
    • HEC Paris / EPFL / ETH Zurich: Cryptography, Privacy, Security Courses (Coursera/edX Audit)

    🏆 CTF / Practice Platforms (Learn by Doing)

    • picoCTF (CMU) — Beginner CTF, Year-round, High School/College Focus — **Best Starting Point**
    • OverTheWire: Bandit — Linux CLI Wargame (Level 0-33) — **Must Do First**
    • OverTheWire: Narnia, Behemoth, Krypton — Binary Exploitation, Crypto, RE
    • CryptoHack — Cryptography Challenges (Interactive, Modern)
    • AttackDefense — Hands-on Labs (Free Tier)
    • Blue Team Labs Online (BTLO) — SOC/Blue Team Labs (Free Tier)
    • Let's Defend — SOC Analyst Simulation (Free Tier)
    • CyberDefenders — DFIR/Blue Team Challenges (Free)

    📖 Documentation & References (Primary Sources)

    • NIST Publications: SP 800-53, 800-171, 800-61 (IR), 800-37 (RMF), CSF 2.0 — **Free PDF**
    • MITRE ATT&CK® / D3FEND™ — Threat Modeling, Detection Engineering — Free
    • OWASP Top 10, ASVS, MASVS, Cheat Sheets, SAMM — AppSec Bible — Free
    • CIS Benchmarks / Controls — Hardening Guides (PDF Free) / Controls v8
    • RFCs (IETF): TLS 1.3 (8446), IPsec, DNSSEC, BGPsec, QUIC — Free
    • Vendor Docs: Palo Alto, Fortinet, Cisco, Check Point, CrowdStrike, SentinelOne, Splunk, Elastic — Excellent Free Docs

    🎓 Certifications ที่มี Free Training

    • Fortinet NSE 1-4: Free Training + Lab → Exam ค่าสอบ $100-200
    • Palo Alto Networks PCCSA / PCNSE: Free Digital Learning (EDU-210)
    • Microsoft SC-900 / SC-200: Free Learning Paths (Exam แยก)
    • AWS Cloud Practitioner / Security Specialty: Free Digital Training
    • Google Cybersecurity Certificate (Coursera): $49/mo (7-day Free Trial, Financial Aid Available)
    • CompTIA Security+: Professor Messer (Free) + Exam $404

    🇹🇭 แหล่งภาษาไทย (Thai Resources)

    • CyberThai / ThaiCERT / ETDA / NCSA — ข่าวสาร, แนวทาง, Training ฟรีบางครั้ง
    • DEVCON Thailand / OWASP Thailand / B-Sides Bangkok — Meetup, Workshop, Conference
    • YouTube Thai: **Cyber Security TH, InfoSec Thailand, Thai Hacker, P'Chai Cyber, Kru Jay IT** — เนื้อหาไทย คุณภาพดี
    • Platform ภาษาไทย: **CodeMentor TH, DataRockie, LearnDeveloper** — คอร์ส Cybersecurity ภาษาไทย

    แผนเรียน 3 เดือน (3-Month Sprint Plan) — ตัวอย่าง

    เดือนFocusResourcesOutput
    1Networking + Linux BasicsProfessor Messer Net+, OverTheWire Bandit, TryHackMe Network Fundamentalsเข้าใจ TCP/IP, Subnetting, Linux CLI พื้นฐาน
    2Security+ (SY0-701)Professor Messer Sec+, Jason Dion Udemy, TryHackMe Pre-Security/Complete Beginnerสอบ Security+ ผ่าน / เข้าใจ Security Fundamentals
    3Specialization (เลือก 1)SOC: TryHackMe SOC L1, BTLO, Let's Defend / NetSec: Fortinet NSE 4, Palo Alto EDU-210 / Cloud: AWS Security Specialty PathPortfolio: 3-5 Lab Write-ups, GitHub Repos, LinkedIn Posts

    สรุป

    **เรียน Network Security / Cybersecurity ฟรีได้จริง** — จุดสำคัญคือ **Consistency + Hands-on + Community** เริ่มจาก **Professor Messer Security+ + OverTheWire Bandit + TryHackMe** แล้วค่อยขยายตามเส้นทางที่ชอบ — **ไม่ต้องจ่ายเงินมาก (หรือเลย)** ก็สร้าง Career ได้ครับ 🚀