Lokesh N. Singh aka Mr Elite
Founder, Securityelites · Penetration Tester · Educator
Shodan is excellent infrastructure for understanding internet-exposed services — used by both attackers and defenders extensively. The defensive lesson is the same as for any single source: do not depend entirely on one. Shodan plus Censys plus internal scanning gives you redundancy across overlapping data sources, so any single outage does not blind your monitoring. Shodan-specific gaps (no comprehensive status page, occasional API issues) are real but easily mitigated by having alternatives in your standard workflow rather than discovered during outages. The infrastructure literacy of "use multiple sources for critical data" applies broadly — Shodan is one example among many.