Checksec
A bash script that analyzes executable files to check security properties like PIE, RELRO, canaries, ASLR, and Fortify Source protections.
Checksec
A bash script that analyzes executable files to check security properties like PIE, RELRO, canaries, ASLR, and Fortify Source protections.
Founder & Fractional CISO
Not sure if Checksec is right for your team?
Book a 60-minute strategy call with Nikoloz. You will get a clear roadmap to evaluate products and make a decision.
→Align tool selection with your actual business goals
→Right-sized for your stage (not enterprise bloat)
→Not 47 options, exactly 3 that fit your needs
→Stop researching, start deciding
→Questions that reveal if the tool actually works
→Most companies never ask these
→The costs vendors hide in contracts
→How to uncover real Total Cost of Ownerhship before signing
Checksec Description
Checksec is a bash script designed to analyze executable files and assess their security properties and hardening features. The tool examines various security mechanisms implemented in binaries, including: - Position Independent Executable (PIE) support - Relocation Read-Only (RELRO) protection - Stack canaries for buffer overflow protection - Address Space Layout Randomization (ASLR) compatibility - Fortify Source compilation flags The script provides modular functionality with configurable output formats, including CLI and JSON options. Recent updates have enhanced the tool's capabilities to include Clang Control Flow Integrity (CFI) and safe stack checks through an extended analysis mode. Checksec operates through command-line interface with getopts-based option parsing, allowing flexible parameter ordering. The tool includes cryptographic verification features using both Cosign and OpenSSL signature validation to ensure integrity. Originally developed by Tobias Klein, the tool focuses specifically on Linux executables and does not support macOS Mach-O binaries or OSX kernel analysis. The script serves as a security assessment utility for developers and security professionals evaluating binary hardening implementations.
Checksec FAQ
Common questions about Checksec including features, pricing, alternatives, and user reviews.
Checksec is A bash script that analyzes executable files to check security properties like PIE, RELRO, canaries, ASLR, and Fortify Source protections.. It is a Application Security solution designed to help security teams with Security Hardening, Security Analysis, CLI.
FEATURED
Fix-first AppSec powered by agentic remediation, covering SCA, SAST & secrets.
Cybercrime intelligence tools for searching compromised credentials from infostealers
Password manager with end-to-end encryption and identity protection features
Fractional CISO services for B2B companies to build security programs
Stay Updated with Mandos Brief
Get the latest cybersecurity updates in your inbox
TRENDING CATEGORIES
POPULAR
A threat intelligence aggregation service that consolidates and summarizes security updates from multiple sources to provide comprehensive cybersecurity situational awareness.
AI security assurance platform for red-teaming, guardrails & compliance
Real-time OSINT monitoring for leaked credentials, data, and infrastructure
