Censys Has a Free API — The Shodan Alternative for Internet-Wide Scanning

<p>Certificate Transparency logs record every SSL/TLS certificate ever issued. crt.sh gives you free access to search them all — and discover subdomains that even the domain owner

<p>Search engines like Shodan and Censys are great, but they show you an <em>index</em> — data collected on their schedule, which can be hours, days, or weeks old. Sometimes you

<p>Your firewall logs show thousands of connection attempts from unknown IPs. Are you being targeted? Or is it just background noise?</p> <p>GreyNoise answers this question. They