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Use the learn hub to move from raw findings into operator-ready understanding across DNS, email, web security, and attack-surface exposure.
Structured as one dynamic MDX system so new topics ship fast without route sprawl.
Email, DNS, web security, and threat exposure.
Topic cluster
Browse the email security articles in this cluster.
what is dmarc
Learn how DMARC uses SPF and DKIM alignment to control spoofed mail and reporting.
Updated 2026-04-29
what is spf
Understand how SPF authorizes senders, where it breaks, and how lookup limits create drift.
Updated 2026-04-29
what is dkim
See how DKIM signing, selectors, and key length shape sender trust and deliverability.
Updated 2026-04-29
Topic cluster
Browse the dns security articles in this cluster.
what is dnssec
Learn how DNSSEC adds authenticity to DNS answers and why deployment errors still matter.
Updated 2026-04-29
dns zone walking
Understand how NSEC-based zone walking can expose DNS inventory and operational clues.
Updated 2026-04-29
dns cache poisoning
See how forged or manipulated DNS responses can redirect traffic and break trust.
Updated 2026-04-29
Topic cluster
Browse the web security articles in this cluster.
what is csp
Review how CSP constrains browser execution and where policy design commonly breaks.
Updated 2026-04-29
what is hsts
Understand how HSTS pins browsers to HTTPS and what settings matter for preload and subdomains.
Updated 2026-04-29
x-frame-options
Learn how framing protections reduce clickjacking on public web applications.
Updated 2026-04-29
Topic cluster
Browse the threat exposure articles in this cluster.
subdomain takeover
Understand how unclaimed third-party resources and stale DNS combine into takeover risk.
Updated 2026-04-29
what is credential stuffing
See how reused credentials from breaches turn into login abuse against public applications.
Updated 2026-04-29
what is typosquatting
Learn how lookalike domains exploit user mistakes and brand trust for phishing and abuse.
Updated 2026-04-29
Topic cluster
Browse the compliance articles in this cluster.
what is soc2
A deep dive into SOC 2 Type II trust services criteria, audit preparation, and continuous compliance.
Updated 2026-06-03
what is iso27001
Learn how to implement an ISMS and map Annex A controls for ISO 27001 certification.
Updated 2026-06-03
what is nist csf
Understand the NIST Cybersecurity Framework core functions and how to measure organizational maturity.
Updated 2026-06-03
what is bimi
Learn how BIMI depends on DMARC enforcement and brand validation to display logos safely.
Updated 2026-04-29
dns hijacking
Learn how registrar, NS, or record-level changes can redirect web or mail traffic silently.
Updated 2026-04-29
what is referrer policy
See how referrer handling can leak URLs, tokens, or user context across origins.
Updated 2026-04-29
what is a data breach huge
Review the operational and financial realities of breaches and why early detection matters.
Updated 2026-04-29
what are cis controls
Review the Center for Internet Security (CIS) Critical Security Controls and Implementation Groups.
Updated 2026-06-03