What Is Open Source Intelligence?

Primer on threat intelligence: definition and value, elements of a mature program, the data lifecycle and platform/AI-driven tooling, with market-size and adoption statistics.

Detailed guide on using DNS history in security work: DNS record type basics, then use cases—attack surface discovery, phishing investigation, OSINT—plus best tools and practices.

Automates tedious dark web reconnaissance and threat intelligence collection by combining Tor indexing with LLM reasoning, substantially reducing manual triage time for security researchers.

Separates SOCMINT fact from hype: what social media intelligence can and cannot reveal, how it differs from OSINT, the tools behind it, and real-world cases with ethical considerations.

Guide to checking historical WHOIS records: what domain owner history reveals, red flags to review before buying a used domain, and archival tools for retrieving registration data.

Survey of IP WHOIS and RDAP lookup tooling, from command-line utilities to web platforms, covering registry data, privacy-protected records, and how to investigate IP ownership fast.