SecureShell Hardener

🛡️ SecureShell Hardener — Automated Linux Compliance & Server Hardening ToolStop failing security audits. Harden your Linux server against CIS, NIST 800-53, and PCI-DSS in minutes — not days.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━🔍 WHAT IS IT?━━━━━━━━━━━━━━━━━━━━━━━━━━━━━SecureShell Hardener is a production-ready shell script suite that automatically audits your Linux server against the three most widely required security frameworks, fixes misconfigurations, and generates a professional compliance report — all from a single command.No agents. No SaaS subscriptions. No cloud dependencies. Just run it on your server.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━⚡ THREE MODES━━━━━━━━━━━━━━━━━━━━━━━━━━━━━🔎 Audit Mode — Safe, read-only compliance scan. Zero system changes. See exactly where you stand across 90+ checks.🔧 Harden Mode — Automatically remediates every failure it can fix. Every changed file is backed up first. Supports dry-run preview before applying.📄 Report Mode — Generates a polished HTML, JSON, or CSV compliance report to share with auditors, clients, or your team.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━📋 FRAMEWORKS COVERED━━━━━━━━━━━━━━━━━━━━━━━━━━━━━✅ CIS Benchmark (Level 1 & 2)Filesystem hardening, SSH lockdown, kernel parameters, firewall, logging, user accounts, file permissions, cron security — 60+ checks across 10 sections.✅ NIST 800-53 Rev 5Access Control (AC), Audit & Accountability (AU), Configuration Management (CM), Identification & Authentication (IA), System & Communications Protection (SC), System & Information Integrity (SI).✅ PCI-DSS v4.0Requirements 1, 2, 6, 7, 8, 10, and 11 — network controls, secure config, vulnerability management, identity, logging, and testing.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━🐧 SUPPORTED DISTROS━━━━━━━━━━━━━━━━━━━━━━━━━━━━━• Ubuntu 20.04 / 22.04 / 24.04• Debian 11 / 12• RHEL / CentOS / Rocky / AlmaLinux 8 & 9• Amazon Linux 2 & 2023━━━━━━━━━━━━━━━━━━━━━━━━━━━━━📦 WHAT YOU GET━━━━━━━━━━━━━━━━━━━━━━━━━━━━━• hardener.sh — main CLI tool with full flag support• 3 audit modules (CIS, NIST, PCI) — 90+ individual checks• 3 remediation modules — auto-fix with file backups• HTML report generator — dark-theme dashboard with score ring• JSON + CSV report output — for SIEM and spreadsheet integrations• sysctl-hardening.conf — complete kernel security baseline• audit.rules — comprehensive auditd ruleset• 24-test self-test suite• Full README with usage, architecture, and roadmap━━━━━━━━━━━━━━━━━━━━━━━━━━━━━💡 WHO IS THIS FOR?━━━━━━━━━━━━━━━━━━━━━━━━━━━━━• Sysadmins and DevOps engineers managing Linux servers• Startups preparing for SOC 2, ISO 27001, or PCI audits• Freelancers offering security hardening as a service• MSPs who want to standardize hardening across client fleets• Developers who want their VPS or cloud VM locked down properly━━━━━━━━━━━━━━━━━━━━━━━━━━━━━🚀 QUICK START━━━━━━━━━━━━━━━━━━━━━━━━━━━━━tar -xzf secureshell-hardener.tar.gzcd hardenersudo ./hardener.sh --audit --all --format htmlYour first report is ready in under 2 minutes.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━📌 REQUIREMENTS━━━━━━━━━━━━━━━━━━━━━━━━━━━━━• Bash 4.0+• Root / sudo access• Standard Linux tools (sysctl, ss, stat, find, awk, grep, sed)• No external dependencies required━━━━━━━━━━━━━━━━━━━━━━━━━━━━━🔒 ONE-TIME PURCHASE. NO SUBSCRIPTIONS.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━Buy once, use on as many of your own servers as you need. Source code included — no black boxes, no obfuscation. You own it.

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