Intruder vs Perimeter 81 Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

Intruder

0.0 (0 reviews)

Intruder is a cloud-native vulnerability scanner that finds security weaknesses across your digital infrastructure and helps you prioritize fixes before hackers can exploit them to steal your data.

Starting at $182/mo
Free Trial 30 days
VS

Perimeter 81

0.0 (0 reviews)

Perimeter 81 is a cloud-native network security platform that provides secure remote access and network management through a unified Zero Trust architecture to protect your distributed workforce and data.

Starting at $8/mo
Free Trial NO FREE TRIAL

Quick Comparison

Feature Intruder Perimeter 81
Website intruder.io perimeter81.com
Pricing Model Subscription Subscription
Starting Price $182/month $8/month
FREE Trial ✓ 30 days free trial ✘ No free trial
Free Plan ✘ No free plan ✘ No free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas saas mobile desktop
Integrations Slack Jira Microsoft Teams AWS Google Cloud Azure ServiceNow GitHub GitLab Zapier AWS Azure Google Cloud Okta Azure AD OneLogin G Suite Slack Splunk SentinelOne
Target Users small-business mid-market small-business mid-market enterprise
Target Industries
Customer Count 0 0
Founded Year 2015 2018
Headquarters London, UK Tel Aviv, Israel

Overview

I

Intruder

Intruder is a streamlined vulnerability management platform designed to take the complexity out of cyber security. You can automatically scan your cloud systems, endpoint devices, and web applications for thousands of security weaknesses. The platform doesn't just list problems; it prioritizes them based on actual risk, so you know exactly what to fix first to keep your business safe.

You can integrate the tool directly into your CI/CD pipelines and cloud environments like AWS, Azure, and Google Cloud. It continuously monitors your attack surface and alerts you the moment a new vulnerability is discovered or a system becomes exposed. This proactive approach helps you maintain a strong security posture without needing a dedicated team of security experts.

strtoupper($product2['name'][0])

Perimeter 81

Perimeter 81 simplifies how you secure your modern, distributed workforce by replacing traditional hardware-based VPNs with a cloud-native Zero Trust solution. You can build a secure corporate network in minutes, connecting your remote employees to on-premises resources and cloud environments like AWS, Azure, and Google Cloud without the need for complex manual configuration.

The platform gives you a single dashboard to manage global gateways, enforce multi-factor authentication, and monitor network activity in real-time. By segmenting your network and applying least-privilege access policies, you reduce your attack surface and ensure that your team stays productive and secure regardless of their physical location or the device they use.

Overview

I

Intruder Features

  • Continuous Monitoring Scan your systems automatically whenever new threats are discovered in the wild so you stay protected 24/7.
  • Cloud Connectors Sync your AWS, Azure, and Google Cloud accounts to automatically discover and track new IP addresses and hostnames.
  • Smart Prioritization Filter out the noise and focus on high-impact issues with noise-reduction technology that highlights your most critical risks.
  • Web Application Scanning Identify complex vulnerabilities like SQL injection and Cross-Site Scripting (XSS) across your web-facing applications and APIs.
  • Compliance Reporting Generate professional security reports for SOC2, ISO 27001, and PCI DSS to prove your security posture to auditors.
  • Developer Integrations Push vulnerability alerts directly into Slack, Jira, or Microsoft Teams so your team can remediate issues faster.
strtoupper($product2['name'][0])

Perimeter 81 Features

  • Zero Trust Access. Verify every user and device before granting access to specific applications to prevent unauthorized lateral movement.
  • Cloud Management. Deploy and manage your entire global network infrastructure through a single, intuitive web-based dashboard.
  • Private Gateways. Create dedicated gateways with static IP addresses to secure your cloud environments and office resources.
  • Device Posture Check. Ensure your team's devices meet security requirements like active antivirus or disk encryption before they connect.
  • Web Content Filtering. Protect your employees from malicious websites and control access to specific web categories across your organization.
  • Network Segmentation. Divide your network into isolated segments so you can grant users access only to the specific tools they need.
  • Always-on VPN. Keep your remote employees protected automatically by ensuring their connection is encrypted whenever they go online.
  • Monitoring and Logging. Track all network activity and generate detailed audit logs to maintain compliance and identify potential threats.

Pricing Comparison

I

Intruder Pricing

Essential
$182
  • Automated vulnerability scanning
  • External & internal targets
  • Cloud connectors (AWS, Azure, GCP)
  • Slack & Microsoft Teams alerts
  • Monthly PDF reports
P

Perimeter 81 Pricing

Essentials
$8
  • Minimum 10 users
  • Software-defined perimeter
  • Two-factor authentication
  • Single Sign-On (SSO) integration
  • Unlimited data bandwidth
  • Standard support

Pros & Cons

M

Intruder

Pros

  • Extremely simple setup process for cloud environments
  • Clear prioritization helps focus on critical fixes
  • Excellent customer support and security expertise
  • Clean interface is easy for non-experts to navigate

Cons

  • Pricing can be high for very small startups
  • Internal scanning requires additional agent setup
  • Limited customization for automated report templates
A

Perimeter 81

Pros

  • Extremely fast setup compared to traditional hardware
  • Clean and modern user interface for admins
  • Reliable connection speeds for remote employees
  • Excellent integration with major cloud providers
  • Responsive customer support for technical issues

Cons

  • Minimum user requirements may limit small teams
  • Dedicated gateways require an additional monthly fee
  • Occasional client software updates require manual intervention
×

Please claim profile in order to edit product details and view analytics. Provide your work email @productdomain to receive a verification link.