The CNAME that points at someone else's S3.
When a subdomain CNAMEs to a resource that's no longer yours, an attacker can register that resource and serve content from your domain. We detect this pattern across 30+ cloud services and alert before someone else claims it.
Wide Watch ships on a published roadmap. Below is the scope we're committing to for Subdomain Takeover; if you want input on priorities, join the waitlist and reply with your wishlist — we read every reply.
Join the waitlist and we'll email you when Subdomain Takeover is ready for design partners.