Subdomain Takeover: How Dangling DNS Records Hand Attackers Your Brand
A dangling CNAME pointing at a deprovisioned cloud service is a one-click takeover for whoever claims the resource next. Here's how it happens and how to catch it.
A dangling CNAME pointing at a deprovisioned cloud service is a one-click takeover for whoever claims the resource next. Here's how it happens and how to catch it.

Every TLS certificate ever issued is logged in Certificate Transparency logs — including every subdomain. Here is how attackers use that for recon, what they find, and how to audit your own attack surface before they do.

Read any domain's DNS records like an infrastructure engineer. A, AAAA, MX, NS, TXT, CNAME, SOA — what each field reveals, what to look for, and where the security risks hide.

Everything you need to read, deploy, and monitor DMARC — the email authentication standard that decides whether spoofers can fake email from your domain. Real records, the migration playbook, and the eight-item checklist.

DNS is the foundation of your attack surface. Here is a practical checklist covering SPF, DMARC, DKIM, DNSSEC, and CAA records — with examples.

Most security vendors bolt AI on as a chatbot. AI-first means AI triages, explains, and prioritizes every finding automatically — not on demand.

SSL certificates expire silently and break everything. Learn what goes wrong, how to monitor it, and how to automate certificate health checks.

Small teams ship real products on real infrastructure but get priced out of the tools that protect them. The gap between shipped and secured is widening.

Not every security improvement requires a six-month project. Here are five high-impact changes you can make to your infrastructure in less than a week.

That staging server from last year's project? The subdomain a contractor set up? Shadow IT creates blind spots that attackers love to exploit.

Your scanner found 200 vulnerabilities. Now what? A practical framework for deciding what to fix first when your team has limited time and resources.

Annual penetration tests leave 364 days of blind spots. Here's why continuous automated scanning is the foundation of a modern security program.
Start scanning in under 5 minutes. No credit card required. 7-day free trial included.