Best A Security Alternatives & Competitors in 2026
Top picks: Havoc Framework, Red Specter Cheatsheet, GoSecure Titan® Adversarial Simulation — plus 45 more compared.
Security OperationsTop picks: Havoc Framework, Red Specter Cheatsheet, GoSecure Titan® Adversarial Simulation — plus 45 more compared.
Security OperationsA Security is a commercial Red-Team & Adversary Emulation tool developed by A Security. Security professionals most commonly compare it with Havoc Framework, Red Specter Cheatsheet, GoSecure Titan® Adversarial Simulation, Fortra Cobalt Strike, and Core Security Outflank Security Tooling. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to A Security, including their key features and shared capabilities.
Open-source C2 framework for red team ops and adversary simulation.
Shares 3 capabilities with A Security: Red Team, Penetration Testing Framework, Lateral Movement
CLI cheatsheet for Red Specter's 30-tool offensive security platform.
Shares 3 capabilities with A Security: Red Team, Penetration Testing Framework, AI Pentesting
Human-led adversary emulation service testing detection & response capabilities
Threat emulation tool for adversary simulations and red team operations
Red team toolkit for EDR evasion, initial access, and post-exploitation.
AI agent platform for automating offensive security operations and evals.
AI-powered continuous pentesting platform combining autonomous agents with human hackers.
MCP server enabling AI agents to autonomously run 150+ security tools
Open-source C2 framework for red team ops and adversary simulation.
CLI cheatsheet for Red Specter's 30-tool offensive security platform.
Human-led adversary emulation service testing detection & response capabilities
Threat emulation tool for adversary simulations and red team operations
Red team toolkit for EDR evasion, initial access, and post-exploitation.
AI agent platform for automating offensive security operations and evals.
AI-powered continuous pentesting platform combining autonomous agents with human hackers.
MCP server enabling AI agents to autonomously run 150+ security tools
MITRE Caldera™ is an automated adversary emulation platform built on the MITRE ATT&CK framework that supports red team operations and incident response activities through a modular C2 server and plugin architecture.
A proxy aware C2 framework for penetration testing, red teaming, post-exploitation, and lateral movement with modular format and highly configurable payloads.
A post-exploitation framework designed to operate covertly on heavily monitored environments.
A comprehensive repository of open-source security tools organized by attack phases for red team operations, adversary simulation, and threat hunting purposes.
Post-exploitation threat emulation platform for red team operations.
Bundled offensive security suites combining pen testing, red teaming, and VM.
Platform for offensive security operations including ASM, VA, and DAST
Boutique security firm offering red team, OSINT, and adversary simulation services.
A covert channel technique that uses WebDAV protocol features to deliver malicious payloads and establish C2 communication while bypassing security controls.
PyBOF is a Python library that enables in-memory loading and execution of Beacon Object Files (BOFs) with support for argument passing and function targeting.
A command that builds and executes command lines from standard input, allowing for the execution of commands with multiple arguments.
Tool for enumerating proxy configurations and generating CobaltStrike-compatible shellcode.
RedELK is a SIEM tool designed for red teams to monitor and receive alerts about blue team detection activities during penetration testing engagements.
An Azure Function that validates and relays Cobalt Strike beacon traffic based on Malleable C2 profile authentication.
Advanced command and control tool for red teaming and adversary simulation with extensive features and evasion capabilities.
A command line tool that generates randomized malleable C2 profiles for Cobalt Strike to vary command and control communication patterns.
C3 is a framework by WithSecureLabs for rapid prototyping of custom command and control channels that integrates with existing offensive security toolkits.
CobaltBus integrates Cobalt Strike with Azure Service Bus to create covert C2 communication channels for red team operations.
Covenant is a collaborative .NET command and control framework designed for red team operations and offensive security engagements.
CrossC2 is a cross-platform payload generator that extends CobaltStrike's capabilities to Linux and macOS environments for red team operations.
A reconnaissance tool that analyzes expired domains for categorization, reputation, and Archive.org history to identify candidates suitable for phishing and C2 operations.
EvilClippy is a cross-platform tool that creates malicious MS Office documents with hidden VBA macros and evasion techniques for penetration testing and red team operations.
A template-driven framework for creating custom evasion techniques to test Anti-Virus and EDR detection capabilities.
A tool for working with Direct System Calls in Cobalt Strike's Beacon Object Files (BOF) for offensive security purposes.
InvisibilityCloak is a proof-of-concept C# code obfuscation toolkit designed for red teaming and penetration testing to conceal post-exploitation tools from detection.
Ivy is a payload creation framework for executing arbitrary VBA source code directly in memory, utilizing programmatical access to load, decrypt, and execute shellcode.
A COM Command & Control framework that uses JScript to provide fileless remote access capabilities on Windows systems through a modular plugin architecture.
Macro_Pack automates the generation and obfuscation of Office documents and scripts for penetration testing and security assessments.
A cross-platform HTTP/2 Command & Control framework written in Golang for post-exploitation activities and remote system management.
Modlishka is a reverse proxy tool for intercepting and manipulating HTTP traffic, ideal for penetration testers, security researchers, and developers to analyze and test web applications.
Mortar is an evasion technique to defeat and divert detection and prevention of security products, including AV, EDR, and XDR solutions.
MSBuildAPICaller is an offensive security tool that enables interaction with the MSBuild API to execute arbitrary scripts for red teaming and penetration testing purposes.
A macOS Initial Access Payload Generator for penetration testing and red teaming exercises.
A collaborative, multi-platform, red teaming framework for simulating attacks and testing defenses.
A lightweight Command and Control (C2) implant written in Nim that provides remote access capabilities for penetration testing and red team operations.
Pupy is an open-source, cross-platform C2 framework that provides remote access and control capabilities for compromised systems across Windows, Linux, OSX, and Android platforms.
PwnAuth is an open-source tool for generating and managing authentication tokens across multiple protocols, designed for penetration testing and red team exercises.
Pwndrop is a self-deployable file hosting service for red teamers, allowing easy upload and sharing of payloads over HTTP and WebDAV.
RedGuard is a C2 front flow control tool that helps evade detection by security systems through traffic filtering and redirection capabilities.
A dynamic redirect rules generator that creates custom redirect configurations for penetration testing and security assessment scenarios.
Common questions security professionals ask when evaluating alternatives and competitors to A Security.
The most popular alternatives to A Security include Havoc Framework, Red Specter Cheatsheet, GoSecure Titan® Adversarial Simulation, Fortra Cobalt Strike, and Core Security Outflank Security Tooling. These Red-Team & Adversary Emulation tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
There are 48 alternatives to A Security listed on CybersecTools, all within the Red-Team & Adversary Emulation category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.
A Security is a commercial Red-Team & Adversary Emulation tool. It requires a paid license or subscription. Both free and commercial alternatives are available for comparison.
A Security is a Red-Team & Adversary Emulation tool within the broader Security Operations category. It is used by security professionals for red-team & adversary emulation capabilities and can be compared against 48 similar tools.
