Best Attack Surface Management Software in 2026

In short: CyCognito Platform is ranked #1 of 28 as of 3 October 2026, ahead of Outpost24 Attack Surface Management and Bitsight External Attack Surface Management. The best-ranked option with a free plan is runZero. The lowest first paid tier on this page is ImmuniWeb at €49.58/mo.

Attack surface management software helps security teams identify and monitor exposed assets across their environments. CyCognito Platform, Outpost24 Attack Surface Management and Bitsight External Attack Surface Management are among the entries shown. Compare external asset discovery with cloud asset discovery to understand which asset sources are covered, and consider attack-path analysis for examining relationships among exposures. Monitoring frequency affects how often asset changes are revisited; asset limits and API access also shape operational fit. Free plans and paid starting prices round out the listed comparison points.

28 attack surface management software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

28ranked
1free plans on this page
€49.58/molowest paid tier
3 Oct 2026last checked
#PlatformScoreWhyFromFree planPaid fromAsset limit
1CyCognito Platform8.2
RecognisedAPIDocumented
————View
2Outpost24 Attack Surface Management8.0
RecognisedAPIDocumented
————View
3Bitsight External Attack Surface Management7.9
RecognisedAPIDocumented
—No——View
4SOCRadar Extended Threat Intelligence Platform7.6
RecognisedAPIDocumented
$379.17/moYes——View
5Qualys External Attack Surface Management7.5
RecognisedAPIDocumented
—No——View
6Group-IB Attack Surface Management7.4
RecognisedAPIDocumented
—No——View
7ImmuniWeb7.3
RecognisedAPIDocumented
€49.58/moYes——View
8Detectify Surface Monitoring7.2
RecognisedAPIDocumented
—Yes——View
9runZero7.0
RecognisedAPIDocumented
FreeYes——View
10Censys Attack Surface Management6.8
RecognisedAPIDocumented
————View
11FullHunt6.8
RecognisedAPIDocumented
—Yes——View
12ZeroFox Attack Surface Intelligence6.7
RecognisedAPIDocumented
————View
13Rapid7 Surface Command6.7
RecognisedAPIDocumented
—No——View
14Tenable One Attack Surface Management6.4
RecognisedAPIDocumented
—No——View
15CrowdStrike Falcon Surface6.4
RecognisedAPIDocumented
—No——View
16Cisco Catalyst Center6.3
RecognisedAPIDocumented
————View
17Hadrian6.1
RecognisedAPIDocumented
—No——View
18Aftra6.0
RecognisedAPIDocumented
—No——View
19Armis Centrix for Attack Surface Management6.0
RecognisedAPIDocumented
————View
20CTM3606.0
RecognisedAPIDocumented
—Yes5,000 /yr—View
21Bugcrowd External Attack Surface Management5.8
RecognisedAPIDocumented
————View
22Check Point External Risk Management5.6
RecognisedAPIDocumented
————View
23Halo Security5.5
RecognisedAPIDocumented
—No——View
24OWASP Amass5.5
RecognisedAPIDocumented
—Yes——View
25AttackIQ Platform5.4
RecognisedAPIDocumented
————View

Is your platform on this list?

Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.

Questions about this list

Which attack surface management software is ranked first on Inferse?

CyCognito Platform is ranked #1 of 28 with a score of 8.2. Outpost24 Attack Surface Management is second and Bitsight External Attack Surface Management third.

How many of these have a free plan?

1 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, ImmuniWeb has the lowest first paid tier we found: €49.58/mo.

How is this list ranked?

Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.

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