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Censys is internet-wide scanning and asset discovery. TacitRed is compromise detection. Discovery vs detection.
Censys runs internet-wide scans of IPv4, IPv6, and the public web, building a comprehensive map of services, certificates, and assets. The product strengths are asset discovery, certificate intelligence, and exposure inventory. TacitRed uses internet-scale NetFlow telemetry from a partner relationship to detect actively-compromised assets and surfaces them as a prioritized feed. Censys answers “what is exposed on the internet”; TacitRed answers “what is being attacked right now”. Different question, different telemetry source, different output.
| Capability | Data443 TacitRed | Censys |
|---|---|---|
| Telemetry source | Internet-scale NetFlow via partner | Internet-wide active scanning |
| Primary use case | Compromise detection | Asset discovery + exposure inventory |
| Coverage | 13M+ organizations indexed | IPv4 + IPv6 + public web at scale |
| Output | Prioritized compromise feed | Searchable asset and exposure database |
| Certificate intelligence | No | Yes, deep |
| Compromise telemetry | Yes, NetFlow-derived | Indirect, inferred from exposure |
| Attacker infrastructure mapping | Yes | Indirect |
| Microsoft Sentinel solution | Yes, TacitRed Content Hub | Censys API integrations |
| AWS Marketplace | 3 TacitRed connectors live | Listed |
| Pricing | $24,000 USD per 12-month entitlement (AWS) | Quote-based |
| Buyer profile | SOC operational | Security research, exposure management |
Telemetry source. Censys actively scans the public internet (IPv4, IPv6, web) and builds a queryable database of services, certificates, banners, and asset metadata. TacitRed uses NetFlow data obtained through a partner relationship; NetFlow captures the actual communication patterns between attacker infrastructure and assets across the public internet.
Use case. Censys is the right product for “find every asset my organization has on the internet, including the ones we forgot about” and “show me every certificate issued to my domains and subdomains”. TacitRed is the right product for “show me every asset that is currently being attacked, even ones we don’t own”. Different operational question.
Output format. Censys is a queryable database with rich search capabilities. The operator builds the workflow: which assets matter, which signals constitute risk, which actions follow. TacitRed is a curated, prioritized feed: the signals are pre-ranked and ready for the SOC to action.
Certificate intelligence. Censys is one of the deepest sources of certificate intelligence on the public internet. Cert transparency monitoring, ownership inference, and CT-log derived asset discovery are first-class features. TacitRed does not cover certificate intelligence; the focus is compromise telemetry.
Distribution. TacitRed ships through AWS Marketplace (three SaaS connectors live in Limited preview, $24,000 USD per 12-month entitlement each), Microsoft Sentinel Content Hub, and direct API. Censys distributes through direct API, web console, and various integrations into SIEM and exposure-management products.
TacitRed: $24,000 USD per 12-month entitlement on AWS Marketplace for each of three SaaS connector destinations. Direct procurement quote-based.
Censys: Quote-based. No public list price for the full Censys ASM product. Censys also offers a free tier for the Search product targeted at security researchers and individual operators.
How they compare: TacitRed has a published AWS Marketplace price for a defined entitlement. Censys ASM is a procurement conversation. For organizations comparing the two, the pricing question is partly about what is being bought: a curated feed (TacitRed) versus a queryable platform (Censys ASM).
When Censys is the better fit:
When Data443 TacitRed is the better fit:
TacitRed delivers through AWS Marketplace (TacitRed to Security Hub, TacitRed to SentinelOne, TacitRed to CrowdStrike, each $24,000 USD per 12-month entitlement), Microsoft Sentinel Content Hub, and direct API.
Censys delivers through its web console (Censys Search and Censys ASM), direct API, and integrations into common SIEM and exposure management products. The Censys Search tier has a free option targeted at researchers and small teams.
The two products coexist comfortably. A SOC could run Censys for asset discovery and certificate intelligence, run TacitRed for compromise telemetry, and route both into the same SIEM. The two answer different questions and produce complementary signals.
Typical TacitRed customer: SOC team wanting external compromise visibility. Often standardized on Microsoft Sentinel as the SIEM. Procurement via AWS Marketplace.
Typical Censys customer: Security research team, threat hunting team, or exposure management program. Often a larger security organization with the bandwidth to build custom workflows on top of Censys data. Procurement through direct sales.
TacitRed and Censys are not direct substitutes. A team using Censys for asset discovery does not get compromise telemetry from Censys; a team using TacitRed for compromise telemetry does not get certificate intelligence from TacitRed. Migration in either direction means giving up the capability the original product was selected for.
Coexistence is the most common pattern. Both products feed the same SIEM. Censys answers exposure questions; TacitRed answers compromise questions. The combined cost is higher than either alone, but the operational picture is meaningfully more complete.
Censys scans the internet to build an asset and exposure database. TacitRed uses internet-scale NetFlow data to detect compromised assets. Censys answers “what is exposed on the internet”; TacitRed answers “what is being attacked right now”.
TacitRed is listed at $24,000 USD per 12-month entitlement on AWS Marketplace for each of three connector destinations. Censys ASM pricing is quote-based. The pricing question depends partly on what is being bought: a curated feed versus a queryable platform.
Censys infers risk from exposure data (open ports, expired certs, misconfigurations) but does not provide direct compromise telemetry. TacitRed’s NetFlow-derived signals show actual attacker traffic.
TacitRed’s primary use case is compromise detection on existing infrastructure. For wider asset discovery (finding every asset across the public internet), Censys has deeper coverage.
Yes. The two answer different questions and produce complementary signals. Common pattern for SOC teams that want both exposure inventory and active compromise detection feeding into one SIEM.
Related TacitRed comparisons:
Parent product: TacitRed Attack Surface Intelligence
AWS Marketplace: TacitRed on AWS Marketplace
