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ONYPHE

Best ONYPHE Alternatives & Competitors in 2026

Top picks: Censys Internet Map, SOC Radar DNS Monitoring, SOC Radar Attack Surface Management — plus 45 more compared.

Evaluating ONYPHE alternatives comes down to matching Attack Surface capabilities to your environment, integrations, and budget rather than chasing feature parity. The options below are compared on what actually drives a switch: coverage, deployment fit, pricing, and real reviews from security teams. Independent and vendor-neutral: we never sell rankings.

48 Best ONYPHE Alternatives & Competitors (2026) | CybersecTools

ONYPHE Alternatives and Competitors

ONYPHE is a free External Attack Surface Management tool. Security professionals most commonly compare it with Censys Internet Map, SOC Radar DNS Monitoring, SOC Radar Attack Surface Management, Akamai DNS Posture Management, and Detectify Platform. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.

Looking for free options across categories? See our curated roundup of attack surface tools and other open source picks→ Free & Open Source Tools

Data verified Jul 2026

View ONYPHE All Attack Surface Compare Stacks Market Map Explore All Tools

TrustPin — Certificate pinning platform with remote updates & multi-platform SDKs.Visit

Top ONYPHE Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to ONYPHE, including their key features and shared capabilities.

Censys Internet Map

Commercial

External Attack Surface Management

Internet intelligence platform for asset discovery and attack surface mapping

Key features: Continuous internet-wide scanning and mapping of global infrastructure, Real-time discovery and monitoring of internet-facing assets, Attack surface management with personalized risk prioritization, Threat hunting capabilities for tracking adversary infrastructure, Cloud asset discovery and shadow IT identification

View Censys Internet Map|Censys Internet Map alternatives|Compare Censys Internet Map

SOC Radar DNS Monitoring

Commercial

External Attack Surface Management

SOCRadar DNS Monitoring provides real-time monitoring of DNS infrastructure with automated discovery, record change alerts, and detection of DNS-based security threats.

View SOC Radar DNS Monitoring|SOC Radar DNS Monitoring alternatives|Compare SOC Radar DNS Monitoring

SOC Radar Attack Surface Management

Commercial

External Attack Surface Management

SOCRadar Attack Surface Management is an EASM platform that continuously discovers, monitors, and assesses internet-facing digital assets for vulnerabilities and security risks.

View SOC Radar Attack Surface Management|SOC Radar Attack Surface Management alternatives|Compare SOC Radar Attack Surface Management

Akamai DNS Posture Management

Commercial

External Attack Surface Management

DNS security posture management across multicloud and on-prem environments

Key features: Unified visibility of DNS assets across multicloud and on-premises infrastructure, Automated DNS asset discovery and inventory management, Real-time detection of DNS misconfigurations and vulnerabilities, DNS drift monitoring with baseline deviation detection, Certificate posture management and monitoring

View Akamai DNS Posture Management|Akamai DNS Posture Management alternatives|Compare Akamai DNS Posture Management

Detectify Platform

Commercial

External Attack Surface Management

Platform for external attack surface management and application security testing

Key features: Automatic external attack surface discovery and mapping, Continuous monitoring for DNS misconfigurations and subdomain takeovers, API discovery and dynamic API security testing, Authenticated application scanning with crawling and fuzzing, Custom security policy enforcement across attack surface

View Detectify Platform|Detectify Platform alternatives|Compare Detectify Platform

Detectify Surface Monitoring

Commercial

External Attack Surface Management

Monitors internet-facing subdomains for vulnerabilities and misconfigurations

Key features: Automatic subdomain discovery and monitoring, Continuous vulnerability scanning, Payload-based security testing, Technology fingerprinting, Subdomain takeover detection

View Detectify Surface Monitoring|Detectify Surface Monitoring alternatives|Compare Detectify Surface Monitoring

Trickest ASM - Attack Surface Management

Commercial

External Attack Surface Management

Customizable ASM platform for asset discovery, monitoring, and enrichment

Key features: OSINT-based asset discovery, Asset association analysis, Active enumeration, Internet-facing port scanning, Network service identification

View Trickest ASM - Attack Surface Management|Trickest ASM - Attack Surface Management alternatives|Compare Trickest ASM - Attack Surface Management

Guardz External Footprint

Commercial

External Attack Surface Management

External attack surface monitoring with dark web intelligence and scanning

Key features: External service scanning for open ports and public exposures, DNS email record monitoring for SPF, DKIM, and DMARC, TLS/SSL certificate monitoring, Dark web monitoring for leaked credentials, Compromised data detection

View Guardz External Footprint|Guardz External Footprint alternatives|Compare Guardz External Footprint

All 48 Alternatives & Competitors to ONYPHE

Compare

Censys Internet Map

Internet intelligence platform for asset discovery and attack surface mapping

External Attack Surface Management

Compare

SOC Radar DNS Monitoring

SOCRadar DNS Monitoring provides real-time monitoring of DNS infrastructure with automated discovery, record change alerts, and detection of DNS-based security threats.

External Attack Surface Management

Compare

SOC Radar Attack Surface Management

SOCRadar Attack Surface Management is an EASM platform that continuously discovers, monitors, and assesses internet-facing digital assets for vulnerabilities and security risks.

External Attack Surface Management

Compare

Akamai DNS Posture Management

DNS security posture management across multicloud and on-prem environments

External Attack Surface Management

Compare

Detectify Platform

Platform for external attack surface management and application security testing

External Attack Surface Management

Compare

Detectify Surface Monitoring

Monitors internet-facing subdomains for vulnerabilities and misconfigurations

External Attack Surface Management

Compare

Trickest ASM - Attack Surface Management

Customizable ASM platform for asset discovery, monitoring, and enrichment

External Attack Surface Management

Compare

Guardz External Footprint

External attack surface monitoring with dark web intelligence and scanning

External Attack Surface Management

Compare

Edgescan Attack Surface Management (ASM)

External attack surface management platform for asset discovery and monitoring

External Attack Surface Management

Compare

Method Platform

Full-spectrum security platform for cyber operations and perimeter defense

External Attack Surface Management

Compare

Muscope|Risk - Attack Perimeter

Maps external attack surface including assets, dark web exposure, and leaks.

External Attack Surface Management

Compare

ThreatDefence Integrated ASM

ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks.

External Attack Surface Management

Compare

Bash script for subdomain enumeration via crt.sh certificate transparency logs.

External Attack Surface Management

Free

Compare

FestIn discovers open S3 buckets associated with a domain using crawling and DNS reconnaissance techniques.

External Attack Surface Management

Free

Compare

DNSDumpster is a domain research tool for discovering and analyzing DNS records to map an organization's attack surface.

External Attack Surface Management

Free

Compare

Amass is an open-source OWASP tool for comprehensive attack surface mapping and asset discovery through domain reconnaissance and subdomain enumeration.

External Attack Surface Management

Free

Compare

Python utility for testing the existence of domain names under different TLDs to find malicious subdomains.

External Attack Surface Management

Free

Compare

A multi-cloud DNS security tool that detects dangling DNS records and potential subdomain takeover vulnerabilities by scanning cloud infrastructure and DNS zones.

External Attack Surface Management

Free

Compare

Projectdiscovery.io | Chaos

A powerful enumeration tool for discovering assets and subdomains.

External Attack Surface Management

Free

Compare

A Python-based tool for external attack surface discovery and reconnaissance across large-scale networks, focusing on IP address and subdomain enumeration.

External Attack Surface Management

Free

Compare

A tool for domain flyovers

External Attack Surface Management

Free

Compare

autoSubTakeover

A tool to identify potential subdomain takeovers by checking if a CNAME record resolves to the scope address.

External Attack Surface Management

Free

Compare

A tool for taking a list of resolved subdomains and outputting any corresponding CNAMES en masse.

External Attack Surface Management

Free

Compare

ImmuniWeb® Discovery

ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.

External Attack Surface Management

Compare

Assetnote Attack Surface Management Tool

ASM platform that scans external attack surfaces hourly for vulnerabilities

External Attack Surface Management

Compare

Cyber Exposure Manager

Cyber Exposure Manager: continuous visibility and remediation for external risk

External Attack Surface Management

Compare

Sn1per Professional 2026

Sn1per Professional 2026: automated penetration testing & attack surface management

External Attack Surface Management

Compare

Outpost24 External Attack Surface Management

Cloud platform for continuous visibility & mgmt of external attack surfaces

External Attack Surface Management

Compare

StrikeOne Attack Surfa

AI-powered attack surface management platform for cybersecurity monitoring

External Attack Surface Management

Compare

Hadrian Agentic AI

AI-powered platform for continuous attack surface discovery and pentesting

External Attack Surface Management

Compare

Microsoft Defender EASM

Discovers and monitors external-facing assets and vulnerabilities

External Attack Surface Management

Compare

Halo Security Attack Surface Management

External attack surface mgmt platform for discovering & monitoring assets

External Attack Surface Management

Compare

External attack surface management platform with continuous asset discovery

External Attack Surface Management

Compare

CloudSEK Attack Surface Management

External attack surface management platform for discovering digital assets

External Attack Surface Management

Compare

SaaS platform for attack surface management and vulnerability detection

External Attack Surface Management

Compare

QuimeraX External Attack Surface Management

EASM platform for continuous monitoring of internet-exposed assets & vulnerabilities

External Attack Surface Management

Compare

ThingsRecon Supply Chain Intelligence

Supply chain intelligence platform mapping digital ecosystems & proximity risks

External Attack Surface Management

Compare

Intruder Attack Surface Management

Attack surface mgmt platform with vuln scanning and cloud security features

External Attack Surface Management

Compare

RiskXchange Attack Surface Management

Attack surface management platform for monitoring vulnerabilities and breaches

External Attack Surface Management

Compare

Mandiant Attack Surface Management

Discovers and monitors external internet assets for exposures and vulnerabilities

External Attack Surface Management

Compare

Zerofox External Attack Surface Management

Discovers and manages internet-facing assets with vulnerability prioritization

External Attack Surface Management

Compare

Pentera Surface

External attack surface mgmt with automated pentesting and validation

External Attack Surface Management

Compare

Matos Automated Attack Surface Management

Automated ASM tool for multi-cloud environments with continuous asset discovery

External Attack Surface Management

Compare

Synack Attack Surface Discovery

External attack surface mgmt with asset discovery and on-demand pentesting

External Attack Surface Management

Compare

Palo Alto Networks Cortex Xpanse

Active attack surface mgmt solution for discovering & remediating unknown risks

External Attack Surface Management

Compare

Censys Internet Intelligence Platform

Internet intelligence platform for asset discovery and threat analysis

External Attack Surface Management

Compare

Censys AI-Driven Solutions

AI-driven internet scanning platform for asset discovery and threat hunting

External Attack Surface Management

Compare

Team Cymru RADAR

Passive asset discovery platform using Netflow data for attack surface mapping

External Attack Surface Management

Also compare alternatives to:

Censys Internet Map alternatives SOC Radar DNS Monitoring alternatives SOC Radar Attack Surface Management alternatives Akamai DNS Posture Management alternatives Detectify Platform alternatives Detectify Surface Monitoring alternatives Trickest ASM - Attack Surface Management alternatives Guardz External Footprint alternatives Edgescan Attack Surface Management (ASM) alternatives Method Platform alternatives Muscope|Risk - Attack Perimeter alternatives ThreatDefence Integrated ASM alternatives

Compare ONYPHE with:

ONYPHE vs Censys Internet Map ONYPHE vs SOC Radar DNS Monitoring ONYPHE vs SOC Radar Attack Surface Management ONYPHE vs Akamai DNS Posture Management ONYPHE vs Detectify Platform ONYPHE vs Detectify Surface Monitoring ONYPHE vs Trickest ASM - Attack Surface Management ONYPHE vs Guardz External Footprint

ONYPHE Alternatives FAQ

Common questions security professionals ask when evaluating alternatives and competitors to ONYPHE.

What are the best alternatives to ONYPHE?

The most popular alternatives to ONYPHE include Censys Internet Map, SOC Radar DNS Monitoring, SOC Radar Attack Surface Management, Akamai DNS Posture Management, and Detectify Platform. These External Attack Surface Management tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

How many alternatives to ONYPHE are available?

There are 48 alternatives to ONYPHE listed on CybersecTools, all within the External Attack Surface Management category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.

Is ONYPHE free or commercial?

ONYPHE is a free External Attack Surface Management tool. You can use it at no cost. Both free and commercial alternatives are available for comparison.

What type of tool is ONYPHE?

ONYPHE is a External Attack Surface Management tool within the broader Attack Surface category. It is used by security professionals for external attack surface management capabilities and can be compared against 48 similar tools.

Have more questions? Browse our categories or search for specific tools.

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