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ZEUS Consulting · Senior Expert
Gregory S. Digsby
Senior Expert – Cybersecurity, Zero Trust, Cloud & AI Security
Areas of focus
- Cybersecurity & Zero Trust
- Cloud & secure digital infrastructure
- Identity, access & security operations
- European research & innovation projects
Professional profile
Cybersecurity expertise for Europe's most demanding digital challenges.
Gregory S. Digsby is a Senior Solution Architect and Cybersecurity professional with more than 25 years of experience across enterprise network engineering, cloud architecture, systems integration and cybersecurity.
He is a specialist in Zero Trust Architecture, enterprise security, SD-WAN, SIEM, identity and access management, hybrid cloud security and recognised cybersecurity frameworks including NIST CSF, NIST 800-53, Risk Management Framework (RMF) and ISO 27001.
His recent work includes the deployment of AI-assisted cybersecurity solutions using Microsoft Sentinel, Microsoft Copilot for Security, Splunk and Python-based machine-learning workflows for anomaly detection, threat analysis and security automation.
Gregory has designed and delivered enterprise-scale solutions for commercial organisations, healthcare systems, financial institutions and U.S. federal environments. Within ZEUS Consulting, he contributes advanced technical expertise to European research and innovation projects addressing cybersecurity, Zero Trust, AI security, digital resilience, secure cloud infrastructures and responsible deployment of emerging technologies.
Areas of expertise
Technical depth across modern security architecture.
CybersecurityZero Trust ArchitectureAI for CybersecurityAI SecurityCloud SecurityHybrid Cloud ArchitectureMicrosoft Azure SecurityAWS SecuritySIEM / SOARMicrosoft SentinelSplunkIdentity & Access ManagementNetwork SecuritySD-WANSecure Network ArchitectureNIST Cybersecurity FrameworkNIST 800-53Risk Management FrameworkISO 27001Security AutomationML-Based Anomaly DetectionIncident Detection & ResponseThreat DetectionVulnerability ManagementDisaster RecoveryCritical Infrastructure Cybersecurity
AI & cybersecurity
AI-Powered Cybersecurity
Gregory brings applied experience in integrating artificial intelligence and machine learning into cybersecurity operations.
His work includes AI-assisted threat detection and behavioural analytics, security-event correlation, automated incident triage, vulnerability prioritisation and Python-based machine-learning workflows for anomaly detection and alert enrichment.
He has hands-on experience with Microsoft Copilot for Security, Microsoft Sentinel, Splunk, ChatGPT, Claude, GitHub Copilot and Python-based security automation. His expertise also includes responsible AI principles, AI model risk assessment and the evaluation of AI tools from security and compliance perspectives.
Identity & architecture
Zero Trust & Identity Security
Gregory has designed enterprise Zero Trust architectures integrating identity, device posture, network segmentation and adaptive access controls across hybrid cloud and on-premises environments.
His technical background includes Cisco ISE, Active Directory, LDAP, ADFS, Single Sign-On, MFA, RADIUS, TACACS and policy-based access control.
Delivery lens
- •Security-by-design across hybrid environments
- •Identity and adaptive access controls
- •Network segmentation and device posture
- •Risk, compliance and resilience alignment
European research & innovation expertise
Advanced cybersecurity capability for EU-funded innovation.
Within Horizon Europe, Digital Europe and other EU-funded programmes, Gregory can contribute advanced technical expertise to activities involving cybersecurity research, secure digital infrastructure, Zero Trust architecture, AI-enabled security operations, cloud security, identity management, threat detection, cyber resilience and critical infrastructure protection.
Potential contributions include technical architecture, requirements definition, security-by-design methodologies, prototype design, integration, pilot deployment, validation, cybersecurity risk assessment and technical dissemination.
Potential EU project roles
- — Cybersecurity Technical Lead
- — Zero Trust Architecture Expert
- — AI Security Expert
- — Cloud Security Architect
- — Security Architecture Expert
- — Critical Infrastructure Cybersecurity Expert
- — Technical Work Package Leader
- — Technical Task Leader
- — Cybersecurity Pilot Leader
- — Security Validation Expert
- — Digital Resilience Expert
- — Identity & Access Management Expert
High-priority EU themes
- — Horizon Europe Cluster 3 – Civil Security for Society
- — Digital Europe Cybersecurity
- — European Cybersecurity Competence Centre opportunities
- — NIS2
- — Critical Infrastructure Resilience
- — AI Act / Secure AI
- — Cyber Resilience
- — Secure Cloud
- — Digital Identity
- — Zero Trust
- — Security Operations Centres
- — AI-enabled cybersecurity
- — Healthcare cybersecurity
- — Financial-sector cybersecurity
ZEUS Consulting · Connected expertise
How this expert supports ZEUS Consulting services.
These connections reflect the documented subject-matter expertise relevant to ZEUS Consulting’s services, European programmes and project needs.
EU partnerships
Technical partner-fit perspective for secure digital infrastructure and cyber-resilience work packages.
EU partnershipsICT & secure infrastructure
Zero Trust, cloud, identity and security-operations expertise for secure digital infrastructure.
ICT & secure infrastructureResponsible AI advisory
AI risk, threat detection and secure deployment perspective for responsible AI programmes.
Responsible AI advisoryRelevant EU programmes
Selected experience
Enterprise delivery across security-critical environments.
Hawk Cyber Security
Senior Solution Architect
- — Zero Trust architectures
- — Microsoft Sentinel and AI-assisted security analytics
- — Python / ML security automation
- — Azure and AWS security
- — NIST CSF, NIST 800-53 and RMF
- — Enterprise security architecture
Boston Consulting Group
Network Solution Architect
- — Enterprise SD-WAN
- — Cloud security and network access control
- — AI-assisted log analysis
- — Azure / AWS security
Infosys
Cloud Solution Architect
- — Hybrid cloud architecture
- — Azure / AWS
- — Identity architecture
- — Security and vulnerability management
Federal Home Loan Bank
Network Solution Architect / Senior Systems Engineer
- — Financial-sector infrastructure
- — Data centres
- — Identity and cloud
- — Disaster recovery
Earlier selected experience includes the U.S. Army Reserve, CDC, Lockheed Martin and Bank of America.
Professional development
Certifications & professional development
AI Model CertificateAI Foundations CertificationOPSWAT Network Security AssociateOPSWAT File Security AssociateOPSWAT Critical Infrastructure Protection trainingOPSWAT Data-Transfer Security AssociateCortex Cloud – Palo Alto NetworksINFOSEC CertificationPenetration Testing, Vulnerability Scanning & Security AuditingITIL FoundationSix Sigma White Belt