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Senior-led delivery. No junior staffing bench.

Chameleon Technologies is intentionally built around a compact team of experienced practitioners who can architect, automate, and communicate with both engineers and executives.

Yarick Tsagoyko
Owner & Principal Security Architect

Senior cybersecurity architect with experience spanning CMS, the Administrative Office of the U.S. Courts, Microsoft, the World Bank Group, and Tenable. Built CDM evidence pipelines for 100+ FISMA systems, led SOC/SIEM modernization, and delivered cloud security, compliance automation, privacy engineering, and AI assurance services.

  • CMS CDM automation, RMF/ATO evidence pipelines, Splunk, AWS CDK, CloudFormation, POA&M reporting
  • U.S. Patent #11,176,625 inventor and OASIS OHDF working-group contributor
  • CISSP, AWS Solutions Architect Associate, AWS Cloud Practitioner, Azure AI-900
Alexander George
Senior Security Architect & SIEM / Analytics Lead

Security architect and operations leader with deep experience across ArcSight, Splunk, Elastic/ELK, Hadoop, AWS, and enterprise security modernization. Team experience spans OPM, IRS, ATF, TSA, Senate, Fannie Mae, and other federal and financial environments.

  • Designed multi-tenant and active/active SIEM platforms in AWS and multiple geographies
  • Led SIEM expansion, migration, integration, content engineering, and continuous monitoring frameworks
  • Credentials include CISSP, ISSAP, ISSMP, CISM, GCIH-Gold, ArcSight certifications
Daniel (Dan) Mirsky
Senior Cloud Security & Automation Engineer

Cloud security and automation engineer with CMS experience building AWS-based CDM collection architectures, custom Splunk apps, CI/CD and compliance automation, plus research in malware analysis and machine learning at the University of Maryland.

  • Architected AWS collection and Splunk integrations for 100+ accounts and updated apps for Splunk CIM
  • Built Ansible, Jenkins, and SonarQube-driven automation to support secure delivery
  • AWS Solutions Architect Associate and Splunk Certified Architect
Team experience

Representative environments and missions.

These highlights reflect team experience and the kinds of programs our personnel have supported.

Federal health and compliance automation
CMS continuous diagnostics and mitigation workstreams, AWS-based collection architectures, Splunk applications and integrations, evidence automation, and POA&M / RMF-aligned reporting.
Enterprise SIEM and SOC operations
Microsoft, World Bank Group, U.S. Courts, OPM, IRS, TSA, Senate, and commercial programs involving large-scale SIEM design, migration, tuning, log engineering, and operations support.
Cloud and platform security
AWS architecture, secure deployment automation, telemetry collection, identity and encryption patterns, and platform engineering support across regulated workloads.
Advanced analytics and research
Malware-analysis pipelines, machine-learning research, security data engineering, and emerging concepts around AI assurance and post-quantum readiness.
Credentials & differentiators

Technical depth matched with communication and execution.

Our team blends architecture, operations, engineering, and documentation skills—enabling us to deliver both controls and the evidence that proves them.

Representative credentials

CISSP ISSAP ISSMP CISM GCIH-Gold AWS SAA AWS CCP Splunk Architect ArcSight certifications Azure AI-900

Why clients bring us in

  • We can move from architecture and strategy to scripts, integrations, and evidence generation.
  • We understand cloud security, SOC operations, control mapping, privacy concerns, and AI adoption in the same conversation.
  • We write clearly for auditors, ISSOs, engineers, and executives—not just one audience.
  • We are comfortable in federal, healthcare, judicial, financial, and enterprise SaaS environments.