Nebula

Nebula

BreachLine Labs
+
+

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About

Nebula is an AI security engineer that tests your systems for you. It checks web apps, APIs, mobile apps, cloud and Kubernetes, internal networks and Active Directory, and AI and LLM systems. When it finds a problem, it proves the impact with a working exploit, explains how to fix it and retests the fix. You can talk to it on a call or by email, and it can walk you through its findings on slides in a live video meeting. Findings are mapped to OWASP and MITRE ATT&CK and scored with CVSS, with evidence and steps to reproduce. Plans start from £399 a month. Enterprise is £199 per seat per month (minimum five seats), credits billed separately. We're based in London and work with teams worldwide.

About

SimSpace provides a realistic cyber range and AI proving ground for validating, operationalizing, and building AI agents alongside human operators inside a digital replica of a production environment. Security teams can continuously stress-test agentic and human defenses against realistic user behavior, attack emulation, and LLM-driven threats before they reach production. It reproduces actual infrastructure, tools, data schemas, workflows, and playbooks so organizations can evaluate how agents behave under real operating conditions rather than relying on representative test environments. SimSpace assesses not only outcomes but also the complete trajectory of an agent’s behavior, including tool calls, escalation gates, and error recovery, helping identify agents that reach the right result for the wrong reasons. Validation can run continuously through headless, API-driven workflows designed for CI/CD environments as models and playbooks evolve.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Security teams and companies that need penetration testing of web apps, APIs, mobile, cloud, networks and AI systems.

Audience

Security, SecOps, AI, and cyber defense teams in need of a tool to validate, train, and operationalize AI agents and human defenses against realistic cyberattacks

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

£399/month
Plans start from £399 a month. Enterprise is £199 per seat per month (minimum five seats), credits billed separately. Retests use credits.
Free Version Not Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported

Company Information

BreachLine Labs
Founded: 2026
London, United Kingdom
breachline.io

Company Information

SimSpace
Founded: 2015
United States
simspace.com

Alternatives

BreachLine

BreachLine

BreachLine Labs

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Categories

AI Pentesting Supported

Categories

Integrations

Amazon Web Services (AWS) Supported
Cloudflare Supported
GitHub Supported
GitLab Supported
Google Cloud Platform Supported
Jira Supported
Kubernetes Supported
Linear Supported
Notion Supported
Okta Supported
Slack Supported

Integrations

Amazon Web Services (AWS) Not Supported
Cloudflare Not Supported
GitHub Not Supported
GitLab Not Supported
Google Cloud Platform Not Supported
Jira Not Supported
Kubernetes Not Supported
Linear Not Supported
Notion Not Supported
Okta Not Supported
Slack Not Supported
Claim Nebula and update features and information
Claim Nebula and update features and information
Claim SimSpace and update features and information
Claim SimSpace and update features and information