# 4D Limited - Full Documentation For LLMs > Comprehensive overview of 4D Limited's cybersecurity services, business details, and technical stack. ## About 4D Limited 4D Limited is a leading preventative cybersecurity partner committed to protecting businesses through industry-leading expertise and comprehensive security solutions. ## Core Services & Solutions ### Guardian Ultimate 4D's flagship managed security solution, providing 24/7 protection, monitoring, and incident response for businesses that require the highest level of security. ### AI Readiness Assessing business infrastructure and policies to ensure they are prepared for secure, compliant AI integration while mitigating data risks. ### Cyber Essentials Expert guidance and implementation for achieving Cyber Essentials and Cyber Essentials Plus certifications, ensuring robust baseline security. ### Managed Security Comprehensive security management that allows businesses to focus on their core operations while 4D handles the complexities of modern cyber threats. ### Endpoint Protection Deploying advanced detection and response (EDR/XDR) tools to protect all business devices from malware, ransomware, and other sophisticated attacks. ### Compliance & Governance Helping organizations navigate complex regulatory environments including GDPR compliance and ISO 27001 certification frameworks. ### Email & DMARC Security Securing the most common attack vector with robust DMARC implementation and advanced email threat protection. ### Vulnerability Management Proactive identification and prioritization of security weaknesses across business infrastructure before they can be exploited. ### Penetration Testing Rigorous security assessments that simulate real-world attacks to identify and remediate security critical vulnerabilities. ### IGEL Solutions Specialized security for virtual desktop infrastructure and thin-client environments using IGEL's secure operating system. ## Business Information - **Website URL**: https://4dlimited.io - **Focus**: Preventative Cybersecurity, Risk Management, and Compliance. - **Industry Standards**: GDPR, ISO 27001, Cyber Essentials. ## Technical Details - **Architecture**: - **Framework**: - **Language**: - **Build System**: - **Styling**: - **Component Library**: - **Icons**: - **Meta Management**: ## Full Sitemap - Homepage: https://4dlimited.io - Services/AI Readiness: https://4dlimited.io/#/services/ai-readiness - Services/Cyber Essentials: https://4dlimited.io/#/services/cyber-essentials - Services/Managed Security: https://4dlimited.io/#/services/managed-security - Services/Endpoint Protection: https://4dlimited.io/#/services/endpoint-protection - Services/Compliance: https://4dlimited.io/#/services/compliance-governance - Services/Email Security: https://4dlimited.io/#/services/email-dmarc - Services/Vulnerability Management: https://4dlimited.io/#/services/vulnerability-management - Services/Penetration Testing: https://4dlimited.io/#/services/penetration-testing - Services/IGEL: https://4dlimited.io/#/services/igel - Services/Guardian Ultimate: https://4dlimited.io/#/services/guardian-ultimate - Contact Page: https://4dlimited.io/#/contact - Privacy Policy: https://4dlimited.io/#/privacy-policy - Cookie Policy: https://4dlimited.io/#/cookie-policy - Terms & Conditions: https://4dlimited.io/#/terms-and-conditions