Ubuntu 26.04 Preview - Level 2 Hardened Server (Development Branch)
by Madarson It, LLC
Ubuntu 26.04 Resolute Raccoon server (development preview) with Level 2 maximum security hardening for high-compliance cloud infrastructure.
Ubuntu 26.04 Preview - Level 2 Hardened Server
⚠️ Development Preview: Ubuntu 26.04 "Resolute Raccoon" development branch. NOT final LTS - for high-security testing only. Official LTS release April 2026.
Azure server with upcoming Ubuntu 26.04 featuring comprehensive Level 2 security hardening for maximum protection. Defense-in-depth for sensitive workloads and regulated industries.
Key Features:
- Level 2 Hardening: Comprehensive defense-in-depth (builds on Level 1 with additional restrictions)
- High-Compliance: NIST 800-53 High, ISO 27001, PCI DSS, HIPAA, FedRAMP, SOC 2 Type II
- Latest Kernel: Linux 6.17+ with advanced security features
- Zero-Trust Ready: Configured for zero-trust architectures
- Minimal Attack Surface: Maximum lockdown
Advanced Security:
- Mandatory Access Controls (AppArmor enforcing)
- Advanced filesystem hardening (noexec/nosuid/nodev)
- Kernel hardening and runtime restrictions
- Comprehensive audit rules (auditd extended)
- Restrictive firewall with application filtering
- Disabled all unnecessary kernel modules
- Enhanced password policies with MFA support
- SSH with FIPS-compliant algorithms only
- File integrity monitoring (AIDE)
- Restrictive umask (077) and permissions
- Authenticated time sync (chronyd)
- Process accounting and resource limits
Use Cases:
- Financial services (PCI DSS Level 1)
- Healthcare PHI/ePHI (HIPAA)
- Government/defense (FedRAMP High, FISMA High)
- Payment processing systems
- Regulated cloud infrastructure
- High-security databases
- Security operations/SIEM
Important:
- Pre-release - may contain bugs
- Testing only until LTS release
- Upgrades to stable 26.04 LTS April 2026
- Application testing required - Level 2 restrictions may impact compatibility
- Community support only until LTS
Level 1 vs Level 2:
Level 1: Foundational security, minimal impact, general infrastructure, moderate compliance.
Level 2: Maximum security for sensitive data (PHI/PII/financial), stringent compliance (FedRAMP High, PCI DSS Level 1, HIPAA), requires thorough testing.
Why Madarson IT?
Maximum-security hardened images for high-compliance environments. Level 2 undergoes vulnerability scanning, penetration testing, and compliance verification. Detailed security documentation included.
Enterprise support: compliance auditing, custom hardening, security consulting. FedRAMP, CMMC, FISMA, PCI DSS, HIPAA, SOC 2 expertise.
Contact: info@madarsonit.com for private offers, assessments, compliance roadmaps, or volume licensing with SLA.
Disclaimer: Ubuntu is a Canonical Ltd trademark. Development preview - not affiliated with Canonical. No Ubuntu Advantage/Pro included.