The Best Attack Surface Management Software in 2026

• 31 tools ranked
• Updated Oct 2026
• Researched from official sources
• Compare tools in this directory
• Sponsor this list

We researched attack surface management software from official websites, including pricing pages, plan tables and product documentation. Products are ranked on their core job, value for money and verified features, helping security teams compare coverage for exposed assets, attack paths and ongoing monitoring.

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

The full ranking 31 tools, best first

1. 1
   
   CrowdStrike Falcon Surface 9.2

   Best forCrowdStrike customers extending exposure visibility

   A strong fit for CrowdStrike customers seeking continuous external exposure visibility.

   • Attack-path analysis
   • API access
   • Cloud asset discovery

   Pricing on request · 15-day trial Our CrowdStrike Falcon Surface verdict → + Compare Visit CrowdStrikeFor vendors Sponsor this spot · #1 · $149/mo →
   9.2/10★★★★★

   Visit CrowdStrike
2. 2
   
   Tenable One Attack Surface Management 9.1

   Best forTenable users needing external asset visibility

   A strong fit for Tenable users seeking continuous visibility into external assets.

   • Attack-path analysis
   • API access
   • Cloud asset discovery

   Pricing on request Our Tenable One Attack Surface Management verdict → + Compare Visit TenableFor vendors Sponsor this spot · #2 · $99/mo →
   9.1/10★★★★★

   Visit Tenable
3. 3
   
   Qualys External Attack Surface Management 9.0

   Best forQualys customers managing external exposure

   A broad EASM capability for Qualys customers that need continuous external asset visibility.

   • API access
   • Cloud asset discovery
   • External asset discovery

   Pricing on request · 30-day trial Our Qualys External Attack Surface Management verdict → + Compare Visit QualysFor vendors Sponsor this spot · #3 · $79/mo →
   9.0/10★★★★☆

   Visit Qualys
4. 4
   RS
   Rapid7 Surface Command 8.9

   Best forRapid7 customers consolidating asset exposure data

   A continuous discovery and remediation hub for Rapid7-centered security teams.

   • External asset discovery

   Pricing on request Our Rapid7 Surface Command verdict → + Compare Visit Rapid7For vendors Sponsor this spot · #4 · $69/mo →
   8.9/10★★★★☆

   Visit Rapid7
5. 5
   
   Group-IB Attack Surface Management 8.8

   Best forTeams needing threat-intelligence-enriched ASM

   A threat-intelligence-enriched ASM platform with continuous monitoring and remediation workflows.

   • Attack-path analysis
   • API access
   • Cloud asset discovery

   Pricing on request · 21-day trial Our Group-IB Attack Surface Management verdict → + Compare Visit Group-IBFor vendors Sponsor this spot · #5 · $59/mo →
   8.8/10★★★★☆

   Visit Group-IB
6. 6
   
   Bugcrowd External Attack Surface Management 8.7

   Best forTeams linking ASM with offensive testing

   A continuous EASM platform for teams connecting exposure management with offensive testing.

   • API access
   • Cloud asset discovery
   • External asset discovery

   Pricing on request Our Bugcrowd External Attack Surface Management verdict → + Compare Visit Bugcrowd
   8.7/10★★★★☆

   Visit Bugcrowd
7. 7
   
   Check Point External Risk Management 8.6

   Best forOrganizations combining ASM with brand protection

   External risk management that combines attack surface visibility with brand protection.

   • API access
   • Cloud asset discovery
   • External asset discovery

   Pricing on request Our Check Point External Risk Management verdict → + Compare Visit Check Point
   8.6/10★★★★☆

   Visit Check Point
8. 8
   
   Ivanti Neurons for External Attack Surface Management 8.5

   Best forIvanti customers needing agentless external discovery

   A focused agentless EASM tool for Ivanti customers that need continuous external discovery.

   • API access
   • Cloud asset discovery
   • External asset discovery

   Pricing on request Our Ivanti Neurons for External Attack Surface Management verdict → + Compare Visit Ivanti
   8.5/10★★★★☆

   Visit Ivanti
9. 9
   
   CyCognito Platform 8.5

   Best forEnterprises needing attack-path analysis

   A broad external attack surface platform for enterprises that need attack-path analysis.

   • Attack-path analysis
   • API access
   • Cloud asset discovery

   Pricing on request Our CyCognito Platform verdict → + Compare Visit CyCognito
   8.5/10★★★★☆

   Visit CyCognito
10. 10
    
    ZeroFox Attack Surface Intelligence 8.5

    Best forSecurity teams prioritizing threat-informed exposure

    A broad external attack surface platform for teams managing complex exposure.

    • Attack-path analysis
    • API access
    • Cloud asset discovery

    Pricing on request Our ZeroFox Attack Surface Intelligence verdict → + Compare Visit ZeroFox
    8.5/10★★★★☆

    Visit ZeroFox
11. 11
    
    Censys Attack Surface Management 8.5

    Best forTeams needing cloud-connected external monitoring

    Broad external monitoring with cloud connectors, automation, and API access.

    • Attack-path analysis
    • API access
    • Cloud asset discovery

    Pricing on request Our Censys Attack Surface Management verdict → + Compare Visit Censys
    8.5/10★★★★☆

    Visit Censys
12. 12
    OA
    Outpost24 Attack Surface Management 8.5

    Best forTeams combining ASM with threat intelligence

    A focused ASM platform for teams pairing external exposure management with threat intelligence.

    • Attack-path analysis
    • API access
    • Cloud asset discovery

    Pricing on request Our Outpost24 Attack Surface Management verdict → + Compare Visit Outpost24
    8.5/10★★★★☆

    Visit Outpost24
13. 13
    
    Bitsight External Attack Surface Management 8.4

    Best forOrganizations needing board-level ASM reporting

    A continuous ASM platform for mapping external assets, prioritizing risk, and reporting to leadership.

    • API access
    • Cloud asset discovery
    • External asset discovery

    Pricing on request Our Bitsight External Attack Surface Management verdict → + Compare Visit Bitsight
    8.4/10★★★★☆

    Visit Bitsight
14. 14
    AC
    Armis Centrix for Attack Surface Management 8.3

    Best forOrganizations needing unified IT, IoT, and OT visibility

    A broad ASM platform for unified IT, IoT, OT, cloud, and virtual asset visibility.

    • Attack-path analysis
    • API access
    • Cloud asset discovery

    Pricing on request Our Armis Centrix for Attack Surface Management verdict → + Compare Visit Armis
    8.3/10★★★★☆

    Visit Armis
15. 15
    AP
    AttackIQ Platform 8.2

    Best forTeams combining ASM with security-control validation

    A broad platform for discovering exposure and validating security controls continuously.

    • Attack-path analysis
    • Cloud asset discovery
    • External asset discovery

    Pricing on request Our AttackIQ Platform verdict → + Compare Visit AttackIQ
    8.2/10★★★★☆

    Visit AttackIQ
16. 16
    
    Detectify Surface Monitoring 8.1

    Best forTeams wanting broad ASM with a free entry tier

    Broad external attack surface monitoring with a free tier and API access.

    • API access
    • Cloud asset discovery
    • External asset discovery

    Free plan · 14-day trial Our Detectify Surface Monitoring verdict → + Compare Visit Detectify
    8.1/10★★★★☆

    Visit Detectify
17. 17
    HS
    Halo Security 8.0

    Best forSmall teams wanting priced EASM with cloud coverage

    A focused EASM platform with transparent monthly pricing and broad cloud coverage.

    • API access
    • Cloud asset discovery
    • External asset discovery

    Our Halo Security verdict → + Compare Visit Halo Security
    8.0/10★★★★☆

    Visit Halo Security
18. 18
    OA
    OWASP Amass 7.9

    Best forTechnical users wanting free open-source discovery

    A free, technical toolkit for discovering and mapping internet-facing assets.

    • API access
    • External asset discovery

    Free plan Our OWASP Amass verdict → + Compare Visit OWASP Amass
    7.9/10★★★★☆

    Visit OWASP Amass
19. 19
    
    Microsoft Defender for Business 7.9

    Best forSmall businesses needing affordable endpoint protection

    Affordable endpoint protection with vulnerability management and attack-surface reduction.

    30-day trial Our Microsoft Defender for Business verdict → + Compare Visit Microsoft
    7.9/10★★★★☆

    Visit Microsoft
20. 20
    
    FullHunt 7.9

    Best forBudget-conscious teams needing broad ASM coverage

    Broad ASM coverage with a useful free tier, but higher plans are costly.

    • Attack-path analysis
    • API access
    • Cloud asset discovery

    Free plan · 14-day trial Our FullHunt verdict → + Compare Visit FullHunt
    7.9/10★★★★☆

    Visit FullHunt
21. 21
    SM
    Shodan Monitor 7.8

    Best forIndividuals and small teams monitoring internet exposure

    A focused way to continuously monitor public-facing assets, with API access and flexible alerts.

    • API access
    • Cloud asset discovery
    • External asset discovery

    Our Shodan Monitor verdict → + Compare Visit Shodan Monitor
    7.8/10★★★★☆

    Visit Shodan Monitor
22. 22
    
    Aftra 7.6

    Best forTeams wanting continuous monitoring with fixed pricing

    A focused ASM platform with continuous monitoring, discovery, scanning, and fixed annual pricing.

    • External asset discovery

    Our Aftra verdict → + Compare Visit Aftra
    7.6/10★★★★☆

    Visit Aftra
23. 23
    
    runZero 7.5

    Best forTeams needing hybrid internal network discovery

    A hybrid discovery platform with broad asset coverage and a free edition.

    Free plan · 21-day trial Our runZero verdict → + Compare Visit runZero
    7.5/10★★★★☆

    Visit runZero
24. 24
    
    CTM360 7.4

    Best forTeams wanting a free start and daily ASM monitoring

    CTM360 combines free external asset discovery with tiered monitoring for growing security teams.

    • Cloud asset discovery
    • External asset discovery

    Free plan Our CTM360 verdict → + Compare Visit CTM360
    7.4/10★★★★☆

    Visit CTM360
25. 25
    
    Hadrian 7.3

    Best forTeams wanting validated, event-driven exposure testing

    Hadrian combines continuous discovery with validated exposure testing and event-driven retesting.

    • Attack-path analysis
    • API access
    • Cloud asset discovery

    Pricing on request Our Hadrian verdict → + Compare Visit Hadrian
    7.3/10★★★★☆

    Visit Hadrian
26. 26
    
    EASMLens 7.2

    Best forTeams needing real-time exposure alerts

    A continuous, integration-ready platform for finding and prioritizing external exposure.

    • Cloud asset discovery
    • External asset discovery

    Pricing on request Our EASMLens verdict → + Compare Visit EASMLens
    7.2/10★★★★☆

    Visit EASMLens
27. 27
    SE
    SOCRadar Extended Threat Intelligence Platform 7.1

    Best forTeams needing ASM within threat intelligence

    A broad threat-intelligence platform that adds external attack-surface monitoring.

    Free plan · 7-day trial Our SOCRadar Extended Threat Intelligence Platform verdict → + Compare Visit SOCRadar
    7.1/10★★★★☆

    Visit SOCRadar
28. 28
    
    ImmuniWeb 7.0

    Best forTeams focused on web and API exposure testing

    A scanning-focused choice for teams testing authenticated web applications and APIs.

    Free plan Our ImmuniWeb verdict → + Compare Visit ImmuniWeb
    7.0/10★★★★☆

    Visit ImmuniWeb
29. 29
    
    Google Cloud Secret Manager 6.8

    Best forCloud teams managing secrets and exposed credentials

    A capable cloud secret manager, but a limited fit for attack surface management.

    Free plan · 90-day trial Our Google Cloud Secret Manager verdict → + Compare Visit Google Cloud
    6.8/10★★★☆☆

    Visit Google Cloud
30. 30
    
    Bitdefender GravityZone Cloud Workload Security 6.7

    Best forTeams protecting cloud and container workloads

    A workload-focused security platform for cloud, container, and hybrid infrastructure.

    Pricing on request Our Bitdefender GravityZone Cloud Workload Security verdict → + Compare Visit Bitdefender
    6.7/10★★★☆☆

    Visit Bitdefender
31. 31
    CC
    Cisco Catalyst Center 5.0

    Best forCisco teams managing network infrastructure

    A Cisco-focused network management system, not a broad external attack-surface platform.

    • API access

    Pricing on request Our Cisco Catalyst Center verdict → + Compare Visit Cisco
    5.0/10★★☆☆☆

    Visit Cisco

No tools match those filters.

Compare at a glance

#	Tool	Free plan	Paid from	External asset discovery	Cloud asset discovery	Monitoring frequency	Score
1	CrowdStrike Falcon Surface	No		Yes	Yes	Continuous	9.2
2	Tenable One Attack Surface Management	No		Yes	Yes	Continuous	9.1
3	Qualys External Attack Surface Management	No		Yes	Yes	Continuous	9.0
4	RSRapid7 Surface Command	No		Yes		Continuous	8.9
5	Group-IB Attack Surface Management	No		Yes	Yes	Continuous	8.8
6	Bugcrowd External Attack Surface Management			Yes	Yes	Continuous	8.7
7	Check Point External Risk Management			Yes	Yes	Continuous	8.6
8	Ivanti Neurons for External Attack Surface Management			Yes	Yes	Continuous	8.5
9	CyCognito Platform			Yes	Yes	Daily	8.5
10	ZeroFox Attack Surface Intelligence			Yes	Yes	Continuous	8.5
11	Censys Attack Surface Management			Yes	Yes	Continuous	8.5
12	OAOutpost24 Attack Surface Management			Yes	Yes	Continuous	8.5
13	Bitsight External Attack Surface Management	No		Yes	Yes	Continuous	8.4
14	ACArmis Centrix for Attack Surface Management				Yes	Continuous	8.3
15	APAttackIQ Platform			Yes	Yes	Continuous	8.2
16	Detectify Surface Monitoring	Yes	€2,500/yr	Yes	Yes	Continuous	8.1
17	HSHalo Security	No	$399/mo	Yes	Yes	Continuous	8.0
18	OAOWASP Amass	Yes	Free	Yes			7.9
19	Microsoft Defender for Business	No	$3/user/mo				7.9
20	FullHunt	Yes	$149/mo	Yes	Yes	Continuous	7.9
21	SMShodan Monitor	No	$69/mo	Yes	Yes	Continuous	7.8
22	Aftra	No	€490/mo	Yes		Continuous	7.6
23	runZero	Yes					7.5
24	CTM360	Yes	$5,000/yr	Yes	Yes	Daily	7.4
25	Hadrian	No		Yes	Yes	Continuous	7.3
26	EASMLens			Yes	Yes	Continuous	7.2
27	SESOCRadar Extended Threat Intelligence Platform	Yes					7.1
28	ImmuniWeb	Yes	€595/yr				7.0
29	Google Cloud Secret Manager	Yes	$0.03/unit/mo				6.8
30	Bitdefender GravityZone Cloud Workload Security						6.7
31	CCCisco Catalyst Center						5.0

Head-to-head All 28 comparisons →

• CrowdStrike Falcon Surface vs Tenable One Attack Surface Management
• CrowdStrike Falcon Surface vs Qualys External Attack Surface Management
• RSCrowdStrike Falcon Surface vs Rapid7 Surface Command
• CrowdStrike Falcon Surface vs Group-IB Attack Surface Management
• CrowdStrike Falcon Surface vs Bugcrowd External Attack Surface Management
• CrowdStrike Falcon Surface vs Check Point External Risk Management
• CrowdStrike Falcon Surface vs Ivanti Neurons for External Attack Surface Management
• Tenable One Attack Surface Management vs Qualys External Attack Surface Management
• RSTenable One Attack Surface Management vs Rapid7 Surface Command

How we rank attack surface management software

Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 7 Oct 2026 · How we research and update