MAGO Intelligence Blog

Domain intelligence, security research, and threat analysis. Guides for security professionals, investigators, and anyone who needs to understand digital infrastructure.

OSINT

What is OSINT? A Complete Beginner's Guide

Open Source Intelligence explained from scratch: the intelligence cycle, categories of OSINT, tools and techniques, legal boundaries, ethical principles, and real-world applications across cybersecurity, journalism, and law enforcement.

Mar 2026 11 min read Pillar Post
OSINT

OSINT: Tools, Techniques, and Ethics

The complete OSINT methodology stack: footprinting, fingerprinting, vulnerability correlation, threat intelligence enrichment, and analysis. Essential tools by category and the ethical framework professional practitioners operate within.

Mar 2026 11 min read Pillar Post
Tools

Shodan vs Censys vs MAGO: Domain Intelligence Compared

Feature-by-feature comparison of three intelligence platforms: Shodan for device search, Censys for certificate intelligence, and MAGO for formatted domain reports. Pricing, data sources, and use case mapping.

Mar 2026 9 min read
Tools

10 Best OSINT Tools in 2026

The 10 tools that deliver the most value for professional OSINT work: MAGO, Shodan, Maltego, SpiderFoot, Censys, theHarvester, Amass, VirusTotal, Recon-ng, and Nuclei. Comparison matrix and toolkit building guide.

Mar 2026 10 min read
Security

How to Investigate an IP Address

Step-by-step IP investigation: geolocation, WHOIS registration, reverse DNS, open ports via Shodan InternetDB, threat intelligence feeds, co-hosted domains, and historical context. All using free, passive tools.

Mar 2026 9 min read
Security

How to Audit Website Security in 30 Minutes

A 30-minute security audit checklist in 6 phases: TLS inspection, HTTP security headers, DNS and email security, subdomain discovery, technology fingerprinting, and threat intelligence checks.

Mar 2026 9 min read
Compliance

Third-Party Risk Management: The Complete Guide

The TPRM lifecycle: vendor identification, risk tiering, due diligence, continuous monitoring, and incident response. Compliance framework mapping across NIST, SOC 2, ISO 27001, PCI DSS, GDPR, and EU DORA.

Mar 2026 10 min read Pillar Post
Compliance

NIST vs ISO 27001 vs SOC 2: Compliance Compared

Head-to-head comparison of the three most referenced cybersecurity frameworks: scope, cost, timeline, audit requirements, and which framework fits your organization's stage and market.

Mar 2026 9 min read
Career

How to Start a Career in Cybersecurity in 2026

A practical 12-month roadmap: technical foundations, security fundamentals, certifications, portfolio building, and landing your first role. Salary data, role descriptions, and career path mapping.

Mar 2026 10 min read
Attack Surface Management

7 Best Attack Surface Management Tools in 2026

The 7 ASM tools that matter in 2026: MAGO, Censys ASM, Microsoft Defender EASM, Mandiant ASM, Cortex Xpanse, ProjectDiscovery, and CrowdStrike Falcon Surface. Features, pricing, and selection criteria.

Mar 2026 9 min read
Domain Intelligence

What is Domain Intelligence? A Complete Guide

Domain intelligence is the comprehensive analysis of a domain's digital footprint -- DNS, WHOIS, subdomains, certificates, tech stack, security posture, and IP reputation. A guide for security teams, legal professionals, and investigators.

Mar 2026 10 min read Pillar Post
Attack Surface Management

Attack Surface Management: The Complete 2025 Guide

External attack surface management (EASM) is now a board-level concern. Cloud sprawl, shadow IT, and M&A activity have made it impossible to track assets manually. Here is how modern ASM works.

Mar 2026 10 min read Pillar Post
Domain Intelligence

How to Find All Subdomains of a Domain

Subdomain enumeration is the first step in understanding any organization's attack surface. From Certificate Transparency logs to passive DNS databases, here are five methods that work in 2025.

Mar 2026 8 min read
Security

Security Header Audit Guide: From F to A Grade

HTTP security headers are your first line of defense against XSS, clickjacking, and data exfiltration. Most sites get an F. Here is every header you need and how to configure each one correctly.

Mar 2026 9 min read
Domain Intelligence

DNS Reconnaissance Explained: What Your DNS Records Reveal

Every DNS record tells a story about an organization's infrastructure. A, MX, TXT, SPF, DKIM, DMARC -- what each record reveals and how attackers use passive DNS reconnaissance.

Mar 2026 8 min read