Vulnerability Scanning · Reviewed 27 Oct 2026

Intruder

Proactive exposure management platform for lean security teams

from $239 · free tier · intruder.io ↗

Paid against free › Vulnerability Scanning › Intruder

Intruder at a glance

Overview

01

Summary

The useful answer before the supporting detail.

Intruder is a unified exposure management platform that combines attack surface monitoring, cloud security, vulnerability management, and AI pentesting for lean security teams S68. Founded in 2015, it solves the information overload crisis in vulnerability management by prioritizing what matters and reducing noise S1. Its practical value is continuous, proactive security coverage that helps teams remediate faster and stay compliant S68.

02

Product identity and positioning

Name, category, positioning, audience, and first-party claims.

  • Identity: Intruder is a unified exposure management platform from Intruder.io S68.
  • Core purpose: It helps organizations reduce cyber attack exposure by focusing on critical issues and filtering out noise S1.
  • Intended users: Lean security and IT teams needing efficient vulnerability management S1.
  • Product scope: A single platform for AI pentesting, attack surface monitoring, cloud security, and vulnerability management S68.
  • Positioning: The vendor positions it as "effortless cyber security" with proactive exposure management S1.
  • Claimed distinction: Its AI pentesting agents are built and trained by CREST-certified pentesters S14.
03

Use cases and audiences

Who the product serves and the jobs it is designed to handle.

AudiencePractical use case
Lean security teamsContinuously monitor attack surface and remediate critical vulnerabilities with automated triage S1 S68.
DevOps teamsIntegrate security scanning into CI/CD pipelines via API and issue trackers S8 S68.
Compliance managersGenerate evidence reports for SOC 2, ISO 27001, and HIPAA via automated scanning S130
Cloud engineering teamsAgentless scanning across AWS, Azure, and GCP to catch misconfigurations and exposed secrets S68.
Development teamsUse AI pentesting on code repos to test on every release and get pentest reports within hours S14.

Features

09

Features and capabilities

Core functions and evidence-backed product capabilities.

CapabilityWhat it does
Attack Surface MonitoringContinuously monitors ports, services, and cloud infrastructure for new vulnerabilities and misconfigurations S68.
Cloud SecurityAgentless scanning across AWS, Azure, and Google Cloud to catch misconfigurations, exposed secrets, and vulnerabilities S68.
Web App ScanningAutomated DAST scans for XSS and 75+ other vulnerabilities in web apps and APIs, including authenticated scanning behind login pages S8 S68.
AI PentestingAI agents connect to code repos (GitHub/GitLab) to launch pentests and produce compliance-ready reports in hours S14.
Vulnerability ManagementStreamlines vulnerability management, tracks remediation time, and provides actionable prioritization S8.
10

Integrations and ecosystem

Connected products, exports, APIs, and workflow compatibility.

Integration or interfaceTypeWhat it enables
AWSIntegrationAutomatically includes internet-exposed AWS systems as scan targets S12.
Jira, GitHub, Azure DevOpsIntegrationExports security weaknesses to issue trackers and integrates with CI/CD pipelines S8 S68.
Slack, Teams, emailIntegrationSends critical vulnerability alerts and notifications S8 S12.
VantaIntegrationAutomatically sends compliance evidence for audits S12.
APIAPIIntegrates with CI/CD pipelines and custom workflows S8.
GitHub, GitLab, BitbucketIntegrationConnects code repositories for AI pentesting scans S114 S14.

Pricing

11

Pricing and plans

Published plans, free access, trials, credits, and pricing limitations.

Plan or offerVerified price and billingIncludedLimits
Free$0 free forever5 infrastructure targets, 1 cloud account, 2 container images1 scheduled scan per month, ports 80/443, no web apps S114
Cloud$239/month monthly, or $2,870/year5 infrastructure targets, unlimited scansWeb app/API testing, 3 cloud accounts, daily container scans S114
Pro$399/month monthly, or $4,790/year5 infrastructure targets, unlimited scansInternal agent scanning, 10 cloud accounts, top 50 ports S114
EnterpriseCustom, not publishedUnlimited scans, all ports, unlimited cloud accountsShadow IT discovery S114
AI PentestStarting from $3,500 per test S117Must be used within 1 year of purchase S114Not established

Competition

12

Competitive landscape

Domains competing for the same organic search demand.

Sampled competitors

CompetitorFirst-page appearancesSampled queriesAverage positionQueries observed
reddit.com424.5external penetration testing, external vulnerability scanner
vikingcloud.com111external penetration testing
openvas.org111external vulnerability scanner
purplesec.us113external penetration testing
gartner.com114external vulnerability scanner
bishopfox.com115external penetration testing
mitnicksecurity.com116external penetration testing
charlesit.com116external vulnerability scanner
medium.com117external penetration testing
10dsecurity.com118external penetration testing

Website intelligence — Collected evidence

Customers, testimonials, and first-party review claims

No supporting public-page evidence was collected for this category.

Independent review sources discovered

No links to supported independent review platforms were discovered on the collected pages.

14

AI visibility

Measured ChatGPT and Google AI mentions with cited sources.

AI-assistant referral traffic

  • Estimated current generative-AI referral share: 1.3%
MonthSource
—All AI assistants

Website intelligence — Collected evidence

Site-stated AI capabilities

Page typeEvidenceSource
otherA single platform for AI pentesting, attack surface monitoring, cloud security and vulnerability management. Built for stretched security, IT and compliance teams.https://www.intruder.io/
otherAnnual pentests are misaligned to the realities of modern software development. Same day AI pentesting lets you pentest on-demand as your code base and risk profile shifts. Our AI agents are finding complex multi-step vulnerabilities that have evaded best in class human pentesters for years. Connect your code repos, scope and launch in minutes, get a compliance ready pentest report in a few hours.https://www.intruder.io/
other](/platform/ai-security-analyst)https://www.intruder.io/
featuresYour annual pentest is expensive, slow and out of date the moment it's signed off. No lead time AI pentests find issues manual pentests miss and ensure security keeps up with every deploy.https://www.intruder.io/platform/ai-pentesting
featuresTry AI pentesting todayhttps://www.intruder.io/platform/ai-pentesting
featuresWork through vulnerability backlogs faster with your AI security analyst.https://www.intruder.io/platform/ai-security-analyst
featuresConnect Intruder to your own AI modelshttps://www.intruder.io/platform/ai-security-analyst
featuresThe Intruder MCP server enables you to connect Intruder to AI agents (like Claude) and manage critical security workflows through simple, natural language prompts.https://www.intruder.io/platform/ai-security-analyst
pricingSecuring a global AI platform requires continuous defense. While Yembo continues to leverage human pentesters, annual assessments alone leave dangerous windows of exposure. Intruder’s AI pentesting bridges that gap by delivering human-grade depth at machine speed to keep our platform permanently hardened.https://www.intruder.io/pentest-pricing

These are first-party product claims, not independent measurements of AI-search visibility.

15

Marketing opportunities

Actions calculated directly from the collected evidence.

OpportunityRecommended actionEvidence
Competitor gap4 first-page appearances across external penetration testing, external vulnerability scanner

Website intelligence — Collected evidence

Website evidence gaps

  • customers: no usable public page was collected; verify whether the site publishes this evidence.
  • reviews: no usable public page was collected; verify whether the site publishes this evidence.
  • changes: no usable public page was collected; verify whether the site publishes this evidence.
  • identity: no usable public page was collected; verify whether the site publishes this evidence.
  • technical: no usable public page was collected; verify whether the site publishes this evidence.

Trust and proof

16

Customers, proof, and reviews

Published proof, customer signals, and review evidence.

Independent reviews

PlatformPageHow it was foundNote
G2Compare Intruder and Tenable NessusGrounded web searchIntruder(171)4.8 out of 5Intruder By Intruder ... It was incredibly easy to get started and evaluate the tool which provided immediate value for our team. The ease of pointing the application to some endpoints and triggering the initial scan didn't
TrustRadiusGreat scanner for networks of any size! / TrustRadiusGrounded web search### Use Cases and Deployment Scope We use Intruder to scan for external vulnerabilities across the various fleets of servers. #### Pros - Auto scanning. - New vulnerability detection. - Alert levels. #### Cons - Reports could contain more detail.
Beagle SecurityIntruder review: Is it right for your team?Grounded web searchThis article is based entirely on publicly available sources. We aggregated user reviews from G2, Capterra, and similar trusted sources, drew on discussions from Reddit communities, and reviewed vendor documentation and feature pages. Rather than proprietary testing, our evaluation reflects the collective experience of security practitioners who have shared their insights publicly. ... / G2 rating / Gartner rating / / --- / --- / / 4.8/5 (based on 217 reviews) / 4.7/5 (based on 140 reviews) /
ToolRadarIntruder Reviews, Pricing & Alternatives (2026)Grounded web search## Ratings Across the Web 4.8(219 reviews) Intruder holds an aggregate rating of 4.8 out of 5 from 219 reviews across G2, last checked September 17, 2026. G2 219 reviews 4.8/5 Ratings aggregated from independent review platforms. Learn more
trustradius.comUse Cases of Intruder 2025Grounded web searchRecommendations Users of Intruder commonly recommend giving the free trial a try for quick and easy vulnerability scanning ... helpful explanations of the tool. Additionally, users advise considering upgrading to a service tier
G2Intruder - AI Marketplace / G2Grounded web searchdriven penetration testing, attack surface monitoring, cloud security, and vulnerability management. Targeted at security, IT ... teams, Intruder helps organizations scan for vulnerabilities, prioritize and remediate security risks, monitor multi-cloud
beaglesecurity.comIntruder pricing 2026: Is it worth it?Grounded web searchuser reviews from G2, Capterra, and similar trusted sources, drew on discussions from Reddit communities, and reviewed vendor documentation and feature pages. Rather than proprietary testing, our evaluation reflects the collective experience of security

Customer proof

Proof typeNamed customer or sourceEvidence
Case studyBrainlabs, Litmus, Ravelin, Yembocustomer case study — Intruder B2B Case Studies & Customer Successes ... (Intruder B2B Case Studies & Customer Successes)
Case studyfurza.co.ukcustomer case study — Furza ran a comprehensive recruitment campaign for Intruder, generating over 1000 applications and running a 20-person assessment day of high calibre, eager junior sales talent. (Case Study: Intruder)

Independent mentions

  • Intruder / Stop Breaches Before They Start — It’s continuous, and it pretty much slaps you round the face if there’s an issue. If something hits the news, I know Intruder's already crawling our sites and confirming there’s no risk. ... I appreciate Intruder for its intuitive interface, effective

External links were grounded in one live web search. Search snippets are leads, not independently scraped page content; rejected links remain available in Review evidence.

17

Company, security, and trust

Ownership, policies, security signals, and public trust evidence.

SignalFindingSource
Company and ownershipIntruder was founded in 2015 to help solve the information overload crisis in vulnerability management. Having worked both as an ethical hacker for tier one companies, and for blue teams defending critical national infrasource
Contact and supportNot published on the collected pages.—
Legal and privacyIf your auditor rejects the report, we refund the test in full - no questions, no fine print.source
Security and complianceSOC 2, ISO, HIPAA, DORAsource
Uptime and status pageNot published on the collected pages.—

Not found on the collected pages: contact and support, uptime and status page. This only means Scout did not find it on the pages it read; it says nothing about the company itself.

18

Documentation and product updates

Help resources, product guidance, and visible changes over time.

Resource or updateTypeWhat is availableDate or freshness
Expanding Our Pricing Plans: A Design Story of Heroes, Villains, and “Gregomon”Product updateProduct update is publicly available. (source)September 2026

Not found in the collected public sources: public roadmap, changelog or release notes, status page, separate help center or knowledge base.

Technical

19

Technical and delivery signals

Delivery model, platforms, API, data ownership, reliability claims and release activity.

SignalFindingSource
Delivery model (cloud, self-hosted, desktop, browser extension)Cloud-based web platform S68.S68
Platforms and appsWeb application S68.S68
API and extensibility (API, SDK, webhooks, MCP, plugins)Provides an API for CI/CD integration S8.S8
Data ownership and exportExport security weaknesses to Jira, GitHub, Azure DevOps S8.S8
Performance and reliability claims24/7 automatic scanning for new threats S8.S8
Release activityMonthly product updates published S118.S118
20

Measured infrastructure

Domain, certificate, and hosting signals, measured directly.

SignalFinding
First archived2015-07-11 — web archive
TLS certificateGoogle Trust Services, valid, expires 2026-12-13
Security headersHSTS
Headers not servedCSP, X-Content-Type-Options, X-Frame-Options, Referrer-Policy
Server headercloudflare
Mail handled byintruder-io.mail.protection.outlook.com
Nameserverselliot.ns.cloudflare.com, chloe.ns.cloudflare.com

Not measurable: rdap: no RDAP server published for .io; rdap: exceeded the overall budget; wayback: exceeded the overall budget; tls: exceeded the overall budget; dns: exceeded the overall budget; headers: exceeded the overall budget. A gap here means the lookup was unavailable, not that the finding is negative.

21

Technical site audit

A bounded multi-page crawl with page-level issues and URLs.

Scout — Bounded technical crawl

  • Pages crawled: 15 of 15 maximum
  • Technical health: 98/100
  • Critical issues: 0
  • Warnings: 6
  • Notices: 3

Issues

SeverityIssueValueAffected URL
noticeMeta description length should be reviewed186https://www.intruder.io/
noticeMeta description length should be reviewed186https://www.intruder.io/
noticeMeta description length should be reviewed172https://www.intruder.io/platform/ai-pentesting
warningMissing meta description—https://www.intruder.io/platform/integrations
warningTitle length should be reviewed74https://www.intruder.io/use-cases/asset-discovery
warningDuplicate title in audit sample2https://www.intruder.io/
warningDuplicate title in audit sample2https://www.intruder.io/
warningDuplicate meta description in audit sample2https://www.intruder.io/
warningDuplicate meta description in audit sample2https://www.intruder.io/

Crawled pages

StatusTitleH1sWordsResponseURL
200Intruder \Stop Breaches Before They Start1148153 ms
200Intruder \Stop Breaches Before They Start1148163 ms
200AI Pentesting154026 mshttps://www.intruder.io/platform/ai-pentesting
200Cloud Security Platform \Get Started For Free178348 ms
200Attack Surface Management Platform \Intruder1123151 ms
200GregAI: Your AI Security Analyst for Faster Security Workflows152928 mshttps://www.intruder.io/platform/ai-security-analyst
200Continuous Vulnerability Management for Lean Security Teams157554 mshttps://www.intruder.io/platform/vulnerability-management
200Integration partners180524 mshttps://www.intruder.io/platform/integrations
200External Vulnerability Scanning \Try For Free1123331 ms
200Continuous Attack Surface Monitoring \Find Exposures Fast155752 ms
200Web Application Vulnerability Scanner \Try for free1122922 ms
200Website Vulnerability Scanner \Get started for free1114643 ms
200Risk-Based Vulnerability Management \Prioritize Real Threats153657 ms
200API Scanner - Full Coverage API Security Tool - Try for Free1107558 mshttps://www.intruder.io/use-cases/api-security
200Attack Surface Discovery \Automatically Discover & Protect Unknown Assets1111155 ms

This is a bounded Scout crawl. Core Web Vitals and Lighthouse scores are not claimed unless a dedicated performance audit is connected.

22

Search Console and Analytics

First-party search and behavioral data connection state.

Modeled acquisition channels

ChannelEstimated share
direct36.3%
search48.5%
search organic23.7%
search paid24.9%
social6.2%
social organic3.6%
social paid2.5%
referrals6.5%
paid referrals0.3%
mail0.9%
gen ai1.3%
affiliate0.0%
other0.0%

First-party connections

IntegrationStatusData available after connection
Google Search ConsoleNot connectedClicks, impressions, CTR, average position, queries, pages, countries, and devices
Google AnalyticsNot connectedOrganic sessions, engagement, landing pages, conversions, geography, and devices

No first-party Search Console or Analytics numbers are shown until the site owner authorizes the corresponding Google account. Scout traffic model values above are modeled estimates, not private analytics totals.

Limits and method

23

Limitations and open questions

Known constraints and missing evidence from the collected pages.

Supported limitations and evidence gaps from collected pages: The collected pages do not provide detailed legal, privacy, or uptime information. Specific customer outcomes and independent reviews beyond G2 rating are not verified. Integration list is not exhaustive; some integrations like Cloudflare, Microsoft Sentinel, Okta and Drata are mentioned in blog posts but not detailed on the integrations page S118. Competitor comparisons are not discussed on the collected pages.

24

Sources, method, and limitations

Evidence inventory, collection method, provider use, and constraints.

This report is based on 15 collected pages from intruder.io, including product, pricing, about, blog, and integration pages. Evidence was gathered via static and rendered page requests. External proof search was performed but snippets were not used as verified facts. Pricing data was confirmed via the pricing page as authoritative. Some claims (e.g., G2 ratings) are from Intruder's own pages and may not be independently verified.

Paid against free, in your inbox

One job at a time: the paid tools worth paying for, the free ones you can run yourself, and who should pick which.

No tracking pixels. One click to leave. We use your address to send Stack Radar and nothing else. Privacy.