The Infostealer Index · Head-to-head
CConstella Intelligenceor
SSpyCloud?
Where Constella Intelligence and SpyCloud differ on infostealer intelligence, biggest gap first.
C Constella Intelligence came out of the 2020 merger of 4iQ and Alto Analytics. It sells identity risk data for account-takeover and fraud prevention through APIs, feeds and its Hunter tool, including an infostealer API with session cookies, hostnames, IPs and malware strain.
S SpyCloud, based in Austin, recaptures data from breaches, infostealer malware, phishing kits and combolists and packages it into separate products for workforce, consumer, supply-chain and investigation use. Stolen session cookies and post-infection remediation are a central theme across the line-up.
CS
Quick take
SpyCloud leads by a wide margin, 81.3 to 68.9 overall. The biggest single difference is segmentation, where SpyCloud scores 9 against 6. Of the nine criteria, Constella Intelligence is ahead on 0, SpyCloud on 7, and 2 are level.
Where they differ
Criteria with more than half a point between them, largest gap first.
Exposure Segmentation
SSpyCloud +3
CConstella Intelligence 6
SSpyCloud 9
Infostealer Specialization
SSpyCloud +2
CConstella Intelligence 7
SSpyCloud 9
Free Tools & Free API
SSpyCloud +2
CConstella Intelligence 2
SSpyCloud 4
Session Cookie & Token Coverage
SSpyCloud +1
CConstella Intelligence 9
SSpyCloud 10
Collection Freshness
SSpyCloud +1
CConstella Intelligence 8
SSpyCloud 9
Infostealer Research & Attribution
SSpyCloud +1
CConstella Intelligence 8
SSpyCloud 9
Pricing Accessibility & Time-to-Value
SSpyCloud +1
CConstella Intelligence 4
SSpyCloud 5
Where they are level
Within half a point of each other.
Capabilities
3 of 8 capabilities differ.
| Capability | CConstella Intelligence | SSpyCloud |
|---|---|---|
| Employee vs. customer split | Partial | Yes |
| Third-party / supply-chain exposure | Partial | Yes |
| Free tier / free API | No | Partial |
Same on both: Machine-level infection data (yes), Session cookies & tokens (yes), API access (yes), Self-serve signup (no), Public infostealer research (yes).
Side by side
| Detail | CConstella Intelligence | SSpyCloud |
|---|---|---|
| Best suited to | Fraud and account-takeover teams consuming data by API | Large organisations focused on remediating identities exposed by malware |
| Pricing | Enterprise pricing on request | Enterprise pricing on request |
| Headquarters | Los Altos, USA | Austin, USA |
| Founded | 2020 | 2016 |
| Ownership | Independent | Independent |
| Website | constella.ai | spycloud.com |
Questions & answers
Which scores higher, Constella Intelligence or SpyCloud?
SpyCloud, with 81.3/100 against 68.9/100 (ranks #3 and #7).
Where do Constella Intelligence and SpyCloud differ most?
On exposure segmentation: Constella Intelligence scores 6 and SpyCloud scores 9.
Who is each one a good fit for?
Constella Intelligence suits fraud and account-takeover teams consuming data by API. SpyCloud suits large organisations focused on remediating identities exposed by malware.
More head-to-heads
Each vendor against its closest peers.
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Scores are Hudson Rock's editorial opinion of each vendor's infostealer intelligence, based on public information (websites, documentation and published research) as of October 12, 2026. Only infostealer-related capabilities are assessed, not a vendor's overall quality or other products. Field averages, peer matches and comparisons are calculated from those scores.
This is general information, not a recommendation to buy or avoid any product, and it may be out of date: confirm details with each vendor. Product names and logos belong to their owners and are used only to identify them. Vendors can request a correction through Hudson Rock's contact page.