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cloud-whisperer/README.md

โ˜•๐Ÿ•๐Ÿณ๐Ÿ™๐Ÿ’ปTolven

๐Ÿ›๏ธ Enterprise Security Architect & Cyber Resilience Strategist

Purpose: Architect secure computer networks which transform regulatory mandates into enforceable operational controls, with provable compliance and audit integrity built in.

๐Ÿงญ Navigation

๐Ÿ”นAbout
๐Ÿ”นProjects
๐Ÿ”นCertifications
๐Ÿ”นTalks & Writing
๐Ÿ”นContact


๐Ÿ“Œ About

Securite-Focused Solutions Architekt | Systems Administrator | Technical Lead (SaaS non-SLA) โ˜•

๐ŸŒ Multi-Cloud ย  | ย  ๐Ÿ” Security ย  | ย ๐Ÿ› ๏ธ DevSecOps ย  | ย ๐Ÿง  Lifelong Learner


- Multi-cloud infrastructure ( AWS, Azure, Oracle )
- Data protection & IAM
- DevSecOps and automation (Terraform)
- Sustained availability and control of SaaS application and database environments within regulated industries, ensuring alignment with enterprise security architecture principles.

- Home-lab projekts with STIG-aligned lockdown of Ubuntu | Rocky Linux | RHEL servers.
- Oracle, AWS RDS, and MySQL database administration.
- Experience with secure deployments using multi-layered authentication for high-security environments.
- Systems administration, including SSO/LDAP/Shibboleth integrity post-checks.
- Network automation of cloud platform resources using Terraform and Ansible.
- Recognised for effective cross-functional collaboration, and proficiency in air-gapped and compliance-driven environments.


๐Ÿงฉ Domain ๐Ÿ”ง Experience ๐Ÿ›๏ธ Enterprise Relevance
๐Ÿ›ก๏ธ System Lockdown Hands-on professional & home-lab experience applying STIG-aligned hardening across Ubuntu, RHEL, and Rocky Linux servers Strengthened secure baselines in regulated and high-assurance environments
๐Ÿ—„๏ธ Database Administration Managed and secured database services supporting application workloads Preserved data integrity and operational reliability in compliance-driven systems
๐Ÿ”‘ Identity Integration Implemented SSO and LDAP integrations for centralized authentication Reinforced access governance and enterprise identity controls
โš™๏ธ Secure Automation Automated infrastructure provisioning and configuration using Terraform and Ansible Reduced configuration drift and embedded security into deployment workflows
โš–๏ธ Compliance & Air-Gapped Operations Operated within air-gapped and regulatory-sensitive environments Maintained audit readiness and control enforcement under strict compliance requirements
๐Ÿค Cross-Functional Execution Collaborated with engineering and compliance stakeholders Aligned technical execution with enterprise security objectives

๐Ÿš€ Projects

Project Description โ˜๏ธ Services
๐Ÿ›ก๏ธ Manage Access Securely Using Azure Active Directory Groups and Roles ๐Ÿ› ๏ธ Design and validate role-based access control (RBAC) by creating a test user, assigning group-based permissions, and verifying least-privilege access through controlled login testing. - Microsoft Entra ID
(Azure AD)

- Users
- Groups
- Azure RBAC
- Built-in Reader Role
- Access Control (IAM)
๐Ÿ›ก๏ธ Manage Access Securely
Azure Active Directory Groups and Roles

๐Ÿ› ๏ธ Designed and validated role-based access control (RBAC) by:
- Creation of a test user.
- Assigned group-based permissionsl
- Verified least-privilege access through controlled login testing.
- Microsoft Entra ID
ย ย (Azure AD)

- Users
- Groups
- Azure RBAC
- Built-in Reader Role
- Access Control (IAM)
CloudTrail Monitoring & Security Infrastructure (Terraform) Provision a secure AWS environment with logging, monitoring, and alerting using Terraform IaC. CloudTrail, S3, EC2, SQS, SNS, Lambda function, IAM, Terraform, VS Code, aws cli
Hybrid Identity x File Server Migration Projekt Synchronize On-Premises Identity + Migrate File Shares to Microsoft Cloud Services with Zero Trust Controls EntraID, Entra Connect, Azure VM, Conditional Access, Log Analytics, Microsoft Purview, SharePoint
AD Sync with Microsoft Entra ID Set up Microsoft Entra Connect Sync between an on-premise Active Directory (DC-1) and Microsoft Entra ID EntraID, PowerShell, Microsoft 365
On-premise Active Directory (simulated Azure vm) to Entra ID x SharePoint Migration Migrated users and file shares securely from legacy infrastructure to Microsoft 365 cloud services. EntraID, PowerShell, Microsoft 365
๐Ÿงญ AD-Entra-Connect-Sync-Entra-ID Set up Microsoft Entra Connect Sync between an on-premise Active Directory (DC-1) and Microsoft Entra ID EntraID, PowerShell, Microsoft 365
๐Ÿ“ฆ On-Prem AD to Entra ID x SharePoint Migration ๐Ÿ” Migrate Users & File Shares Securely from Legacy Infrastructure to Microsoft 365 Cloud Services EntraID, Entra Connect, Active Directory
CloudFormation from CLI Python-based automation for secure resource deployment with IAM roles and audit logging Python, AWS CLI, CloudTrail
๐Ÿš€ AWS Beginnerโ€™s Guide to AWS App Integration Trigger Lambda with S3 uploads and monitor via CloudWatch logs Lambda, S3, CloudWatch
๐Ÿ› ๏ธ AWS Beginnerโ€™s Guide to AWS Step Functions DynamoDB SNS A simple event-driven workflow AWS Step Functions, DynamoDB, SNS
๐Ÿ› ๏ธ AWS - Decoupled Event Processing with SQS Triggers Fully serverless workflow Lambda, DynamoDB, SNS, SQS, CloudWatch, IAM
๐Ÿš€ AWS Event-Driven
Order Processing Workflow
๐Ÿ—๏ธ End-to-end serverless workflow to handle:
- Orders
- Alerts
- Message queuing
- ๐Ÿง  Lambda
- DynamoDB
- SNS
- SQS
- CloudWatch
- IAM
๐Ÿ PYTHON
๐Ÿ” Secure Task Logger
Lightweight Python CLI application demonstrating secure, auditable task logging with modular design, explicit user context capture, and structured audit-style logs. Python, CLI, Logging, Modular Design, User Context, Audit Trail
๐Ÿ’œ Terraform projekt:
- Edge Security by Design
Designed and provisioned a secure, production-grade CloudFront distribution with Lambda@Edge request inspection, AWS WAF IP blocking, and S3 origin protection, using Terraform modules and least-privilege IAM. Edge security controls. Deterministic module outputs. Auditable IaC workflows - Python
- CLI
- Logging
- CloudFront
- WAF
- Terraform Modules
Hybrid Identity and File
Migration Projekt:

๐Ÿ›ก๏ธ Microsoft Zero Trust
๐Ÿ” IAM
Data Migration

๐Ÿ› ๏ธ Built a secure hybrid identity setup by syncing (simulated) on-premise Active Directory to Microsoft Entra ID.
- Applied Conditional Access policies.
- Migrated file shares to SharePoint Online.
- Verified secure cloud sign-ins.
- Zero Trust behaviour using Entra logs and Purview auditing.
- Windows Server
- Active Directory
- Microsoft EntraID
- Microsoft Entra Connect
- SharePoint Online
- Conditional Access
-Microsoft Purview
-Log Analytics
-IAM
-Zero Trust Architekture
๐Ÿ‘ฉโ€๐Ÿ’ป Beginnerโ€™s Guide to AWS Lambda + DynamoDB + CloudWatch + IAM ๐Ÿ› ๏ธ Developed a Bash-based network diagnostics utility:

- To perform ICMP-based internet connectivity checks
- Validate DNS resolution using system name services
- To enumerate active listening ports and
ย ย ย scanned for commonly exposed or high-risk ports

- To implement modular functions
- User-friendly interactive menus
- With enhanced terminal features
(spinners & ASCII banners).
๐Ÿ”ง Technical Stack
- Bash (Shell Scripting)
- Linux Networking Tools: ping, ss, getent

โš™๏ธ Process Management:
- Background jobs & PIDs

Terminal UX:
- ANSI colors
- Structured output
- ASCII banners
๐Ÿง Network Health Check ๐Ÿ› ๏ธ Developed a Bash-based network diagnostics utility:

- To perform ICMP-based internet connectivity checks
- Validate DNS resolution using system name services
- To enumerate active listening ports and
ย ย ย scanned for commonly exposed or high-risk ports

- To implement modular functions
- User-friendly interactive menus
- With enhanced terminal features
(spinners & ASCII banners).
๐Ÿ”ง Technical Stack
- Bash (Shell Scripting)
- Linux Networking Tools: ping, ss, getent

โš™๏ธ Process Management:
- Background jobs & PIDs

Terminal UX:
- ANSI colors
- Structured output
- ASCII banners

๐ŸŽ“ Certifications


๐Ÿ—ฃ๏ธ Talks & Writing


๐Ÿค Affiliations

  • Member: Women in CyberSecurity (WiCyS) ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย  2025
  • Member: Women in Security and Privacy (WISP) ย ย ย ย ย ย  2024
  • ISC2 Certified in Cybersecurity - Member ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย  2025

๐Ÿซถ Volunteer Work

  • WomenTech Social Media Volunteer (2026)
  • Hacker Summer Camp (2025)
  • WISP Volunteer Manager for BlackHat
  • DefCon Volunteer for WISP Community and Vendour Booth
  • The Diana Initiative - WISP volunteer
  • Grace Hopper Celebration (AnitaB.org) (2025) - Review member
  • ๐Ÿง  Oโ€™Reilly - On staff as a technical reviewer

๐Ÿ”’ Conferences

  • AWS re:Invent 2025
  • SANS 2025 Cloud Securite Exchange 2025
  • Hacker Summer Camp (BlackHat, DefCon, The Diana Initiative) 2025
  • Identiverse 2025-06
  • Cloud Security Alliance: CSA Virtual Cloud Non-Human Identity Summit 2025 2025-15/16-07
  • Women in Tech Global Conference (Virtual) 2025-05
  • Developer Week (Virtual) 2025-02
  • Hacker Summer Camp (BlackHat, DefCon, The Diana Initiative) 2024
  • AWS re:Invent 2024
  • Cloud Native Securite Con (CNSC) 2024
  • AWS All Builder's Welcome re:Invent grant recipient 2023

๐Ÿ“ซ Contact


Thank you for visiting! This portfolio is a work in progress โ€” more updates soon!

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