Cybersecurity Analyst

I'm Artamis Karrys

SOC Analyst I | IT Clinical Optimization Analyst | Malware Researcher

Cybersecurity professional with hands-on experience in security operations, incident response, malware analysis, identity security, and threat detection. Experienced investigating phishing campaigns, suspicious authentication activity, endpoint alerts, and cloud security incidents using Microsoft Defender, Sentinel, Entra ID, and network analysis tools.

About Me

I am a cybersecurity professional with experience in Security Operations Center monitoring, incident response, threat hunting, and enterprise IT support. My background includes investigating phishing activity, malware alerts, suspicious authentication events, PowerShell-based threats, and account compromise indicators using Microsoft Sentinel, Microsoft Defender, Entra ID, and endpoint telemetry. I also build hands-on security labs focused on malware analysis, Cloudflare security hardening, network traffic analysis, and defensive security operations.

Microsoft Sentinel Microsoft Defender XDR Defender for Endpoint Exchange Admin Center O365 Admin Center IOC Development WMI Persistence Entra ID Incident Response Threat Hunting Malware Analysis Wireshark PowerShell Azure Cloud Security Active Directory Python

Projects

01

Cloudflare Security Hardening Project

Implemented CSP, HSTS, TLS 1.3, Cloudflare security controls, bot mitigation, and web security hardening. Improved Mozilla Observatory score from B+ (80) to A+ (110).

CloudflareCSPTLSWeb Security
02

Malware Analysis Laboratory

Built isolated malware analysis environments and investigated persistence mechanisms, process execution, PowerShell activity, registry modifications, and network communications.

Malware AnalysisProcmonProcess ExplorerWireshark
03

Quasar RAT Analysis

Performed dynamic malware analysis using Process Monitor, Event Viewer, Process Explorer, and network monitoring tools to identify persistence and execution behaviors.

Threat HuntingWindows InternalsMalware Analysis
04

Wireless Network Attack Analysis

Decrypted and analyzed WLAN traffic captures to identify attack activity, network indicators, and wireless security weaknesses.

WiresharkNetwork SecurityPacket Analysis

Experience

IT Clinical Optimization Analyst I

Phoenix Children's Hospital

Sep 2024 – Present
  • Support clinical and administrative staff in a regulated healthcare environment.
  • Partner with clinical teams to optimize EHR workflows and technical processes.
  • Create technical documentation and coordinate escalation of complex issues.
  • Assist in maintaining reliable and secure technology operations supporting patient care.

SOC Analyst I

AccountabilIT

May 2023 – Sep 2024
  • Investigated Microsoft Sentinel and Defender security alerts involving phishing, malware, and account compromise activity.
  • Analyzed PowerShell-based threats, WMI persistence, credential abuse, and lateral movement techniques.
  • Correlated endpoint, identity, email, and network telemetry to identify indicators of compromise.
  • Supported containment, remediation, threat hunting, and post-incident validation activities.
  • Mapped adversary behavior to MITRE ATT&CK techniques and documented investigative findings.

IT Systems Technician

Troon Golf

Jun 2022 – Mar 2023
  • Provided enterprise IT support for hardware, software, VOIP, and POS systems.
  • Managed Active Directory accounts, permissions, and access controls.
  • Supported network infrastructure utilizing UniFi and Meraki platforms.
  • Troubleshot endpoint, network, and authentication issues across enterprise environments.

Education

Bachelor of Science, Applied Computing (Cybersecurity)

Arizona State University

  • Focused on cybersecurity, networking, systems administration, and defensive security operations.
  • Completed projects involving malware analysis, wireless traffic analysis, incident response, and cloud security.
  • Developed hands-on experience with threat detection, security investigations, and enterprise technologies.