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Ryannj0/README.md

Readme · MD

Ryan Njualem | Cyber Security Portfolio

Hi, I'm Ryan, a Cyber Security (BSc) student at Aston University in Birmingham, looking for a 12-month placement. This portfolio holds the hands-on projects I'm building to develop practical skills in cloud security, identity and security operations.

Projects

Project What it does Tools Link
Azure SIEM honeypot lab Deployed a deliberately exposed Azure VM, collected failed RDP logins (Event ID 4625) in Log Analytics and visualised the attacks in Microsoft Sentinel Azure, Microsoft Sentinel, Log Analytics, KQL SIEM
MFA Registration Report PowerShell script that reports which users in an Entra ID tenant are registered for MFA and flags admin accounts without it PowerShell, Microsoft Graph, Entra ID MFA Report
Invoice Approval Automation Microsoft 365 prototype that routes invoices by amount, collects approval or rejection decisions and automatically emails the submitter the outcome Power Automate, Microsoft Forms, Excel, Outlook Invoice Automation

Skills

Skill Project
SIEM deployment and log analysis with KQL SIEM
Brute-force attack detection and visualisation SIEM
PowerShell automation with the Microsoft Graph API MFA Report
Identity security: MFA coverage and admin account review MFA Report
Least-privilege access (read-only permissions and reader roles) MFA Report
Business workflow automation, approval routing and email notifications Invoice Automation

Tools

SIEM and monitoring

### Scripting and identity
## Certifications
Certification Status Link
CompTIA Security+ Planned: starting by January 2027 –

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  1. mfa-registration-report mfa-registration-report Public

    PowerShell script using Microsoft Graph to report MFA registration across an Entra ID tenant and flag admins without MFA. Read-only, least privilege.

    PowerShell

  2. SIEM1 SIEM1 Public