cybersecdirectory

Attack surface management vendors

We list 81 companies active in attack surface management, and 13 of them have it as their main focus. 5 are public, 12 are owned by another company and 64 are private. Most are based in the United States (44). The oldest, Microsoft, was founded in 1975. By revenue from annual reports, the largest company here is Microsoft ($331.8bn in FY2026).

By countryUnited States 44Israel 8United Kingdom 8

Companies focused on attack surface management

13 companies
CompanyBased inFoundedSizeOwnershipRevenue
Censys

Censys maps internet infrastructure and provides intelligence for security operations and exposure management.

Ann Arbor, United States2017Private
CybelAngel

CybelAngel provides external threat intelligence and attack surface management services to protect enterprise data and assets.

Clichy, France2013Private
CyCognito

CyCognito provides a platform that discovers and tests external attack surfaces to identify security exposures.

Palo Alto, United StatesPrivate
IONIX

IONIX provides a platform for managing external attack surface exposures.

Israel2016Private
ScanTitan

ScanTitan provides website security scanning, malware removal, and external attack surface management for businesses.

Den Haag, Netherlands2014Private
SurfaceDiff

SurfaceDiff scans public internet infrastructure and alerts on changes to domains, ports, and certificates.

Pyskowice, Poland2026Private
WYKYK

WYKYK is an offensive cybersecurity company.

Doetinchem, Netherlands2023Private
XM Cyber

XM Cyber provides a platform for continuous exposure management across hybrid environments.

Neckarsulm, GermanyOwned by Schwarz Group
ARPSyndicate

Builds internet-scale intelligence datasets and security products for vulnerability, subdomain, and physical reconnaissance.

New Delhi, IndiaPrivate
Axonius

Asset intelligence platform that builds one inventory of every asset from connected IT and security tools to find coverage gaps and prioritise exposures.

New York, United StatesPrivate
Check Point Exposure Management (formerly Cyberint)

Provides a platform for managing external and internal cyber risk exposure.

Tel Aviv, IsraelPrivate
Panop

Panop provides a platform for autonomous exposure management across cloud environments and attack surfaces.

Switzerland2024Private
runZero

runZero provides exposure management software that discovers and profiles assets across IT, OT, IoT, cloud and mobile networks.

Austin, United States2018Part of Dragos

Also active in attack surface management

68 companies
CompanyBased inFoundedSizeOwnershipRevenue
Microsoft

Microsoft sells software, cloud services, hardware, and gaming products.

Redmond, United States1975228,000 staffPublic, MSFT$331.8bn (FY2026)
Palo Alto Networks

Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats.

Santa Clara, United States200513,900 staffPublic, PANW$11.5bn (FY2026)
CrowdStrike

CrowdStrike provides AI-native cybersecurity solutions to stop breaches.

Austin, United States20117,925 staffPublic, CRWD$4.8bn (FY2026)
Tenable

Tenable provides an exposure management platform that unifies security visibility, insight, and action across the attack surface.

Columbia, United States2002Public, TENB$999.4m (FY2025)
Qualys

Qualys provides an enterprise cyber risk and security platform.

Foster City, United States1999Public, QLYS$669.1m (FY2025)
Bishop Fox

Tempe, Arizona-headquartered offensive security firm and Black Hat / DEF CON regulars, makers of the Cosmos continuous attack surface management platform.

Tempe, United States2005201-500 staffPrivate
Bugcrowd

Crowdsourced bug bounty pioneer founded in 2012 by Casey Ellis, offering managed programs and crowd-powered penetration testing from hundreds of thousands of ethical hackers.

San Francisco, United States2012201-500 staffPrivate
NetSPI

Penetration testing firm trusted by nine of the top ten US banks, with the Resolve platform for continuous attack surface management.

Minneapolis, United States2001201-500 staffOwned by KKR
Synack

FedRAMP-authorized crowdsourced penetration testing platform combining the vetted SRT researcher community with AI-powered Hydra technology for continuous security testing.

Redwood City, United States2013201-500 staffPart of NetSPI
BreachLock

Cloud-based Penetration Testing as a Service platform combining AI-driven automation with expert manual testing at accessible price points.

New York, United States201951-200 staffPrivate
Cobalt

Pioneer of Pentest as a Service, delivering fast, platform-based penetration testing with a vetted global community of security researchers.

San Francisco, United States201351-200 staffPrivate
CovertSwarm

Subscription-based offensive cybersecurity firm delivering continuous cyber attack services with CREST STAR and CBEST accreditations from its London headquarters.

London, United Kingdom202051-200 staffPrivate
CyberLab

Cardiff-based CREST and CHECK-accredited cyber security company delivering penetration testing, red teaming, and OT security assessments as part of the Chess Group.

Cardiff, United Kingdom202051-200 staffOwned by Chess
Praetorian

Offensive security firm founded by former DoD professionals. Combines deep offensive testing with the Chariot attack surface management platform and its Exploit validation engine.

Austin, United States201051-200 staffPrivate
JUMPSEC

Full-service London-based cybersecurity consultancy with CREST, CHECK, and NCSC accreditations delivering offensive testing, managed detection, and strategic advisory services.

London, United Kingdom201211-50 staffPrivate
Raxis

US penetration testing firm founded in 2011, running 600+ engagements a year with a fully remote, US-based team. Manual, expert-led testing across web, network, cloud, mobile, wireless, OT/ICS, and AI/LLM. Gartner Sample Vendor for PTaaS.

Atlanta, United States201111-50 staffPrivate
AgentRidge

AgentRidge provides autonomous AI software for penetration testing on local machines.

Paris, France2026Private
Armis

Armis provides cyber exposure management and security for connected devices and operational technology.

United StatesPart of ServiceNow
Asimily

Asimily provides a platform to discover, assess, and mitigate risks for IoT, OT, and IoMT devices.

Sunnyvale, United StatesPrivate
AttackIQ

AttackIQ provides a platform for continuous threat exposure management and adversarial exposure validation.

Los Altos, United States2014Private
BitScore Cybertech LLP

BitScore Cybertech LLP is a delivery partner for Bitsight security ratings in India.

Ahmedabad, India2016Private
Bitsight

Bitsight provides a cyber risk intelligence platform.

Back Bay, United States2011Private
Canima

Canima provides an AI-powered penetration testing platform.

Dover, United States2025Private
Codename Sonar

Codename Sonar provides defensive reconnaissance for blue-team testing, including host discovery and network exposure assessment.

Midlothian, Virginia, United States2021Private
Criminal IP

Criminal IP provides threat intelligence solutions for uncovering exposed assets and detecting malicious infrastructure.

Torrance, South Korea2017Private
CyberVadis

CyberVadis provides a managed service and platform for third-party cyber risk management.

Paris, France2018Private
Cyble

Cyble provides AI-native threat intelligence and cybersecurity platforms for enterprises and governments.

Cupertino, United States2020Private
Cyderes

Cyderes provides managed cybersecurity services including identity, threat detection, and exposure management.

Kansas City, United StatesPrivate
Cymulate

Cymulate provides a platform for validating security controls against threats and exposures.

Holon, Israel2016Private
DDactic

DDactic maps attack surfaces and tests DDoS resilience for enterprise infrastructure.

Israel, Israel2026Private
Forescout Technologies

Forescout provides a platform for managing cyber risk and mitigating threats across IT, OT, IoT, and IoMT devices.

San Jose, United StatesOwned by Advent International and Crosspoint Capital Partners
Group-IB

Group-IB provides cybersecurity products and services to prevent digital crime.

Singapore, Singapore2003Private
hackrate

Hackrate runs crowdsourced security testing and bug bounty programmes for companies.

HungaryPrivate
HiddenLayer

HiddenLayer provides a security platform for AI applications, protecting against adversarial threats.

Austin, United States2022Private
Horizon3

Horizon3 runs autonomous attack testing to find and verify exploitable weaknesses in production environments.

San Francisco, United States2019Private
Infoblox

Infoblox provides networking and security software for DNS, DHCP and IP address management.

Santa Clara, United StatesPrivate
Intel 471

Intel 471 provides cyber threat intelligence focused on adversary tracking, malware intelligence and underground marketplace coverage.

United StatesOwned by Thoma Bravo
Intigriti

Intigriti runs a crowdsourced security platform connecting organisations with ethical hackers for bug bounties and testing.

Antwerpen, Belgium2016Private
Laucked

Laucked is a French cybersecurity firm based in Toulouse that provides penetration testing and continuous security monitoring for small and medium-sized businesses.

Tournefeuille, France2025Private
O360 B.V.

Offensive360 provides application security testing and risk management tools for enterprises.

Amsterdam, NetherlandsPrivate
Picus Security

Picus Security provides a platform that validates exposures and security controls by simulating cyber attacks.

Wilmington, United States2013Private
Pillar Security

Pillar Security provides a platform to discover, test, secure and govern AI agents across organisations.

Tel Aviv, Israel2023Private
ProjectDiscovery

ProjectDiscovery builds open-source security tools and infrastructure for mapping, probing, crawling, and detecting vulnerabilities.

San Francisco, United States2020Private
Red Sift

Red Sift provides email, domain and web security services to help organisations implement security protocols.

London, United KingdomPrivate
ReliaQuest

ReliaQuest provides an AI security operations platform for enterprises to detect and respond to threats.

Tampa, United StatesPrivate
RiskRecon by Mastercard

RiskRecon provides cybersecurity ratings and assessments to help organisations manage third-party and supply chain risk.

Murray, United StatesPrivate
RoboShadow

RoboShadow provides daily vulnerability scanning and automated remediation for internal and external networks.

London, United Kingdom2017Private
SafeBreach

SafeBreach provides a platform that validates security controls and manages cyber exposure for enterprises.

Sunnyvale, United StatesPrivate
Sekoia

Sekoia provides an AI-driven security operations platform for detecting, investigating and responding to cyber threats.

Rennes, France2022Private
Siemba

Siemba provides autonomous and expert-led penetration testing for security teams.

Alpharetta, United StatesPrivate
Tanium

Tanium provides a platform for managing and securing endpoints across large networks.

Emeryville, United States2007Private
Team Cymru

Team Cymru provides global threat intelligence from internet traffic for proactive defence.

Lake Mary, United StatesPrivate
UpGuard

UpGuard provides a platform for managing cyber risk across vendors, attack surface, and workforce.

Mountain View, United States2012Private
Upwind Security

Upwind provides a runtime-powered cloud security platform that uses live workload behaviour to prioritise posture findings.

IsraelPrivate
Zerocopter

Zerocopter provides security testing services including pentesting, bug bounty, and vulnerability disclosure.

Groningen, NetherlandsPrivate
CodeWall

CodeWall builds autonomous attack agents that test enterprise security from the outside.

London, United KingdomPrivate
HackRisk

HackRisk monitors external cyber risks for UK SMEs and provides a security score.

Macclesfield, United KingdomPart of CyberLab
Holm Security

Holm Security provides a platform for vulnerability management and attack surface management.

Bromma, Sweden2015Private
Intruder

Intruder provides continuous vulnerability scanning and attack surface management for cloud and web assets.

London, United Kingdom2015Private
Invicti

Invicti provides web application and API security testing software for enterprises.

Austin, United States2005Private
KELA

KELA provides cyber threat intelligence and external threat exposure management from underground sources.

Tel Aviv, IsraelPrivate
Monarc

Monarc provides a unified security platform that scans websites for vulnerabilities and explains fixes in plain language.

United Arab Emirates2026Private
Outpost24

Exposure management platform with vulnerability management, external attack surface management, application security testing, pen testing as a service and digital risk protection.

Stockholm, SwedenOwned by Vitruvian Partners
Panorays

Third-party cyber risk management platform with vendor security questionnaires, external attack surface ratings, continuous monitoring and remediation workflows for suppliers.

New York, United StatesPrivate
Pentera

Pentera provides an exposure validation platform that tests security controls against real attacks.

Tel Aviv, Israel2015Private
Recorded Future

Recorded Future provides a threat intelligence platform that indexes open, dark and technical sources. Acquired by Mastercard for $2.65bn.

United States2008Owned by Mastercard
SecurityScorecard

SecurityScorecard provides a platform for managing third-party and supply chain cyber risk.

New York, United States2013Private
ZeroFox

ZeroFox provides external cybersecurity services to discover, validate, and disrupt digital threats.

Baltimore, United States2013Owned by Haveli

Recent deals in attack surface management

All attack surface management deals
DateDealAmountSource
1 Sept 2026Palo Alto Networks acquired ConsoleSource for Palo Alto Networks buying Console, opens in a new tabUndisclosedSource for Palo Alto Networks buying Console, opens in a new tab
September 2026Dragos acquired runZeroSource for Dragos buying runZero, opens in a new tabUndisclosedSource for Dragos buying runZero, opens in a new tab
September 2026NetSPI acquired SynackSource for NetSPI buying Synack, opens in a new tabUndisclosedSource for NetSPI buying Synack, opens in a new tab
July 2026CrowdStrike acquired XM CyberSource for CrowdStrike buying XM Cyber, opens in a new tabUndisclosedSource for CrowdStrike buying XM Cyber, opens in a new tab
July 2026Infoblox acquired KentikSource for Infoblox buying Kentik, opens in a new tabUndisclosedSource for Infoblox buying Kentik, opens in a new tab
June 2026Accenture acquired runZeroSource for Accenture buying runZero, opens in a new tabUndisclosedSource for Accenture buying runZero, opens in a new tab
May 2026SecurityScorecard acquired DriftnetSource for SecurityScorecard buying Driftnet, opens in a new tabUndisclosedSource for SecurityScorecard buying Driftnet, opens in a new tab
January 2026CrowdStrike acquired SGNLSource for CrowdStrike buying SGNL, opens in a new tab$740mSource for CrowdStrike buying SGNL, opens in a new tab
January 2026CrowdStrike acquired Seraphic SecuritySource for CrowdStrike buying Seraphic Security, opens in a new tab$420mSource for CrowdStrike buying Seraphic Security, opens in a new tab
January 2026Infoblox acquired AxurSource for Infoblox buying Axur, opens in a new tabUndisclosedSource for Infoblox buying Axur, opens in a new tab

Acquisitions come from SecurityWeek's monthly M&A round-ups from 2021 onwards, from Cybersecurity Ventures' quarterly M&A reports for 2020, and a few from Wikipedia lists. These are dated to the month. A few deals added from the news are dated to the day. Smaller deals may be missing. Amounts are in US dollars.

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Often listed alongside attack surface management