Security · Infrastructure · Engineering
Val Kafedzhy
Infrastructure & Security Architect · enterprise platforms, networks, cloud, and AI systems
I design, build, and secure enterprise platforms, networks, and cloud infrastructure.
With more than 20 years of hands-on experience, I connect architecture decisions with reliable operations, practical security controls, and business priorities.
My current focus includes the platforms and security foundations that AI systems depend on.
Ideas and field notes
Recent writing
Areas of practice
Explore by topic
- AI Infrastructure Security
Security for the platforms AI runs on: workload and agent identity, keys and PKI, the model supply chain, and the controls auditors sign off on.
- PKI & Encryption
Public key infrastructure, encryption, key management, certificates, and the trust foundations secure systems depend on.
- Email Security & Privacy
Email authentication, transport security, privacy, and the operational controls that keep messages trustworthy.
- DNS Security & Privacy
DNS security, privacy, DNSSEC, resilient resolution, and the controls that protect naming infrastructure.
- Kubernetes Security
Kubernetes workload security, identity, admission controls, isolation, and the platform practices that keep clusters dependable.
- Zero Trust
Zero Trust architecture, firewalls, identity-aware access, segmentation, and the platform controls that limit blast radius.
- Networking
BGP, anycast, enterprise routing, IPv6, high-performance networking, and multi-region connectivity for modern platforms.