isMalicious vs Censys: Internet Discovery and Reputation Verdicts Are Different Jobs
Censys maps what exists on the internet — hosts, certificates, open ports. isMalicious assesses what is malicious. Most teams comparing the two need the second question answered, not the first.
isMalicious vs SecurityTrails: Discovery Data and Reputation Verdicts Are Not the Same Product
SecurityTrails tells you what exists — every subdomain, every historical DNS record. isMalicious tells you what is dangerous. Most teams searching for a SecurityTrails alternative want the second half.
WHOIS Lookup for Security Investigations: Reading a Record After Redaction
Privacy services stripped the registrant name out of most WHOIS records, but the fields that matter for triage survived. Here is what a WHOIS record still tells an analyst, and how to read it.
Domain Lookup: How to Identify Malicious Websites Before They Strike
Malicious websites are the launchpad for phishing, malware distribution, and credential theft. Learn how domain lookup tools use reputation data, WHOIS analysis, and threat feeds to identify dangerous domains before your users click.