Best Red Specter POLTERGEIST Alternatives & Competitors in 2026

Shannon

Open-source AI-driven whitebox pentester for web apps and APIs.

Strike Human-Led Pentesting

On-demand human-led PTaaS with peer-reviewed findings and 48hr start.

ZeroThreat.ai

Automated pentesting platform for web apps and APIs with AI-driven exploit validation.

APX Labs Arsenal (Cipher & Niro)

AI-driven pentest suite: Cipher tests live apps, Niro secures PRs in CI/CD.

BU Creative Web App Penetration Testing

Manual web app pentest service covering APIs, SPAs, auth flows & business logic.

Web Application Penetration Testing​

Real-world web app testing to uncover logic flaws, access gaps, and hidden risks.

Ridge Security RidgeBot OWASP Compliance

Automated pentest tool validating web apps against OWASP Top 10 CWEs.

Novee AI Pentesting

AI-driven continuous penetration testing platform with automated remediation.

Parameter Pentesting

Autonomous AI pentest platform delivering audit-grade reports in hours.

Autonomous Penetration Testing Tool

AI agent-based autonomous pentesting tool for continuous web app vulnerability discovery.

APX Labs Cipher XBOW Validation Benchmark

Public benchmark of Cipher AI pentesting agent vs. 104 XBOW challenges.

Alt Security Autonomous Pentesting Platform

AI-autonomous pentesting platform for continuous web, API & AI app testing.

Tenzai

Agentic AI platform for continuous, autonomous penetration testing of enterprise apps.

Capture The Bug PTaaS

CREST-certified PTaaS platform for continuous web, API, and cloud pentesting.

GlitchSecure

Continuous DAST and real-time human-verified penetration testing for SaaS.

StealthNet AI

AI agent fleet for autonomous pentesting across external, API, web & vishing surfaces.

HackerHub8 VAPT

Manual and automated VAPT service covering web, API, network, cloud, mobile and wireless

JAG Cybersecurity Pentesting / Ethical Hacking

Pentesting and ethical hacking service testing infra, apps, IoT and OT systems

Redpoint Assessment Services

Manual application security assessments and secure code review services

SECWATCH Pietje Precies-Pentest

Manual penetration testing service by certified ethical hackers

Vulneri Pentest

Continuous pentest platform simulating real attacks across web, cloud, and network assets.

AgentRidge

Desktop Mission Control for authorized pentests with local AI agents.

CodeWall AI-Powered Pentesting

Autonomous AI agent platform for continuous pentesting with verified exploits.

Plainsea Agentic Penetration Testing Platform

Agentic AI platform for continuous, full-lifecycle penetration testing.

Strike Manual Pentesting Project

Human-led manual pentesting service for complex logic and critical asset risks.

PentOne

AI-native VAPT operating system for pentest teams: from scan ingestion to final report.

Pentesting Payloads

A web-based payload repository that generates ready-to-use exploits for pentesting

Tolmo

Autonomous AI agent platform for pentesting, discovery, and remediation.

ImmuniWeb® On-Demand

ImmuniWeb® On-Demand is a web application penetration testing platform that combines AI-powered automation with manual security testing to provide comprehensive vulnerability assessments and compliance reporting.

ImmuniWeb® Continuous Penetration Testing

Continuous pentesting service monitoring web apps & APIs for code changes

Aikido Attack

AI-powered automated penetration testing platform for on-demand security audits

Cobalt Offensive Security Platform

PTaaS platform for managing pentests, DAST, and attack surface monitoring.

Core Security Core Impact

Pen testing platform with guided automation and certified exploit library.

FYEO Custom Fuzz Testing

Custom blockchain fuzz testing service with bespoke harnesses & CI integration.

Astra Pentest Platform

Pentest platform combining automated scanning & manual VAPT with reporting.

Webray RayBox

Automated penetration testing appliance covering recon-to-exploitation attack chain.

COGICEO Pentests

Penetration testing service by French firm COGICEO to find and fix IT security

Haryon Pentest Orchestration Platform

Platform for orchestrating and automating penetration testing and attack path management

ScruteX Agentic Pen Testing

AI agents that autonomously reason, chain exploits, and adapt like attackers to pen test

Trail of Bits Software Assurance

Multi-disciplinary security assessment service spanning app-sec, crypto, blockchain

SecurityBoat TriNetra Agentic Pentest

AI agent swarm plus human-verified pentesting with sign-off logging and tiered engagements

v6Protect PtaaS

Combines automated vulnerability scanning with expert-led manual penetration testing

Allseek

Open-source autonomous penetration testing platform.