Source we aggregate
isMalicious + Shodan
Internet-connected device search engine. isMalicious consumes this source and correlates it with others. Here is what that adds, and when to go direct.
Shodan is one of the sources isMalicious aggregates
We do not replace Shodan. Rows where isMalicious shows a capability Shodan lacks mostly come from the aggregation layer; for Shodan’s core use case, use Shodan directly.
Quick verdict
Choose isMalicious for API-first threat intelligence with multi-source correlation, CVE data, and ransomware tracking. Choose Shodan for attack surface management and internet-wide device discovery.
isMalicious
Threat intelligence API with multi-source correlation, CVE data and ransomware leak-site tracking.
Best for: Automated threat intelligence at scale
Shodan
Shodan indexes internet-connected devices and exposes their open ports, banners and vulnerability data. It is built for attack surface discovery and research, not reputation verdicts.
Best for: Attack surface management and internet-wide device discovery
Feature comparison
| Feature | isMalicious | Shodan |
|---|---|---|
| IP context (ports, banners) | Partial | |
| IP reputation verdict | ||
| Domain reputation | ||
| URL scanner | ||
| CVE-to-host correlation | Partial | |
| CVE intelligence (CVSS, EPSS, KEV) | Partial | |
| Ransomware leak-site tracking | ||
| Streaming threat feed | ||
| STIX/TAXII export | ||
| Bulk API | ||
| NRD feed | ||
| Free tier available | Limited |
Check this table against your own indicators.
Run a free reportShodan: strengths and limitations
- Device/banner enumeration
- Attack surface mapping
- Historical port scan data
- CVE-to-host correlation
- No IP/domain reputation verdicts
- No phishing or malware domain detection
- No ransomware tracking
- No dark web monitoring
- No streaming threat feed
- Expensive full API access
- Not designed for automated SOC enrichment
Pricing
isMalicious
Free: website lookups with no monthly cap and 250 API calls a month. Pro from €99/month. Enterprise custom pricing.
View pricing →Shodan
Free (limited), Membership from $69/month, API from $899/year
Frequently asked questions
Is isMalicious better than Shodan for threat intelligence?
Does isMalicious include Shodan data?
Which is better for SOC teams?
Other comparisons
Decide with your own data
Don't take our word over Shodan's. Check something real.
Paste an IP, domain or URL: reputation, WHOIS, DNS, ransomware signals and an AI-generated assessment. Free, no signup.
- 250 free API calls/month
- No credit card required
- API key in under 2 minutes