Extra Resources

Official site with book updates, podcast & tools (current edition available on Amazon)

Free guides, case studies & methodology articles

Live, searchable toolkit maintained by Bellingcat

Peer-reviewed whitepapers (free with registration)

DFIR whitepapers, free

Course outline, free sample content

Official US gov PDF, free

Full EU report, free PDF

UK government cyber threat reports

Official INTERPOL publications hub

Academic research on digital threats, free PDFs

Peer-reviewed RAND papers

Think-tank reports on tech & security

Academic preprints, fully free

CSIRT best-practice guides

Framework docs, FAQs, training

Missing persons OSINT CTF methodology

Free daily challenges & training paths

Live searchable tree of OSINT tools

Curated mega-list, GitHub

Curated free & actionable resources

Spanish cybersecurity articles (free)

Real-world intrusion case studies, free

Investigative cybersecurity journalism

Daily threat intel blog

Free multilingual guides on privacy & OPSEC

Free ASU-hosted security course platform

daily challenges