Least squares adjustment software

Azure DevOps Server development system segmentation best practices

Comprehensive methodology, checklists, and hardening guides for ICS/OT Cybersecurity Audits based on IEC 62443 & NIST SP 800-82. Focus on defensive security practices and risk mitigation in industrial environments.

Produces a set of network policies, given a json describing the connectivity in a given cluster

Secure AWS VPC architecture featuring public/private subnet segmentation, IAM least-privilege access, hardened EC2 deployment, and monitoring with CloudWatch and VPC Flow Logs

Educational PoC demonstrating network isolation for Node.js apps using Docker internal networks and nginx as an egress proxy gateway.

Network infrastructure architecture for campus employed the distance-vector RIP, etc., designed on Cisco Packet Tracer, showcasing my strong knowledge in networking.

Least squares adjustment software

A simulated enterprise network demonstrating VLAN segmentation, inter-VLAN routing, and DHCP services using Cisco Packet Tracer.

A hands-on project to design and implement a secure enterprise network with segmentation, firewall, VPN, and centralized logging.

A security-focused network lab with pfSense and multi-OS service configuration for educational and testing purposes.

Enterprise-style secure research lab network in Cisco Packet Tracer with VLANs, ACLs, SSH-only access, WPA2 Wi-Fi, and DMZ firewall simulation.

Policy-driven AWS network segmentation using Terraform, with guardrails, automation, and deny-by-default enforcement.

Designed and configured a multi-department network using ACLs to manage inter-departmental access, reduce unauthorized traffic, and enhance network security.

Sanitized, public-safe snapshot of a homelab IaC + SOC lab. Secrets and internal IPs/hostnames are redacted and replaced with RFC5737 examples. Adds high-signal docs, comments, and runbooks to explain design choices. Companion to iac-homelab.

🔐 Secure DMZ & Intranet with MikroTik + Cisco L3 — real-world network isolation

Сегментация облачной инфраструктуры на зоны безопасности с помощью решения Check Point Next-Generation Firewall.

🌐 Isolate a Node.js service's network access using Docker and nginx as an egress proxy for enhanced security and control in your applications.

🛡️ Develop a vendor-neutral security operations framework for identity, segmentation, telemetry, and validation, tailored for scalability and automation.

This project provides a detailed investigation into one of the most significant data breaches in history—the 2017 Equifax incident. This case study examines critical vulnerabilities, the attack timeline, impact, and security failures, offering technical recommendations to prevent similar breaches.