# CalCyber Security > Veteran-owned cybersecurity and managed IT firm headquartered in Sacramento, California. ## Public pages - [Digital Forensics & Incident Response](https://calcyber.net/digital-forensics-incident-response.md): Sacramento-based DFIR serving California — ransomware, business email compromise, breach and employee misconduct investigations, and expert witness services. - [Home and services](https://calcyber.net/index.md): Services, company background, resources, and contact. - [Agentic & LLM Forensics](https://calcyber.net/ai-forensics.md): Sacramento-based AI agent and LLM forensic investigations serving California; forensic readiness reviews. - [Response Platform](https://calcyber.net/response-platform.md): Public DFIR case-management product information. - [Terms](https://calcyber.net/terms.md): Published terms of service. ## Contact Use https://calcyber.net/#contact to discuss an engagement. Pricing, scope, availability, and evidence-transfer arrangements are established directly with CalCyber. ## Security insights - [Blog](https://calcyber.net/blog.md): Security explainers. - [What is PHP2Shell?](https://calcyber.net/php2shell.md): PHP vulnerabilities and source backports.