Thisara Perera
Speaker | Security Researcher | Microsoft Certified Trainer | Sr.Cloud Architect
📋 Biography
With over 11 years of experience in Microsoft technologies, you have built a strong career focused on designing, implementing, and optimizing enterprise-grade solutions. Currently serving as a Senior Cloud Solution Architect at a global enterprise, you specialize in architecting secure, scalable, and resilient cloud infrastructures that align with business objectives and industry best practices. Your expertise spans across cloud platforms, particularly within the Microsoft ecosystem, where you have consistently driven digital transformation initiatives and helped organizations modernize their IT landscapes. In addition to your architectural role, you are an active security researcher, bringing a proactive approach to identifying vulnerabilities, strengthening cloud security posture, and have over 5 + years of experience as a Microsoft Certified Trainer.
✨ High-Impact Contributions 5
I shared a LinkedIn technical post exploring the concept of Agentic Security in Azure and how AI-powered security agents are transforming modern cloud defense. The post explained how Microsoft Defender, Sentinel, Security Copilot, Defender for Cloud, and automation workflows collectively enable autonomous threat detection, context-aware decision making, and automated remediation. It highlighted real-world benefits such as reduced alert fatigue, faster incident response, and scalable protection across hybrid and multi-cloud environments.
I shared a detailed LinkedIn post explaining Microsoft Sentinel Data Lake and how it transforms SIEM architecture by separating storage from real-time analytics. The post covered architecture built on Azure Data Lake Storage Gen2, hot and cold data paths, KQL-based cross-tier querying, cost optimization strategies, governance controls, and key use cases such as long-term retention, threat hunting, and compliance investigations. It aimed to help security teams understand how to implement a tiered, scalable, and cost-efficient SIEM strategy in Azure.
I shared a technical LinkedIn post explaining Microsoft’s guided SIEM Migration Experience for transitioning from platforms such as Splunk or QRadar to Microsoft Sentinel. The post detailed how detection rules can be analyzed and translated, how data connector requirements are identified, and how migration recommendations are grouped by use case. It also covered exportable migration reports, rule enablement, and optimization steps, helping security teams modernize SOC operations and accelerate adoption of cloud-native SIEM capabilities.
I contribute to the Microsoft IT Pro Web Team by sharing technical guidance and knowledge related to Microsoft infrastructure, Azure services, and cloud best practices. This activity involves participating in group discussions, providing practical advice, and helping the community enhance their understanding of enterprise IT and cloud technologies.
Delivered a technical session at Azure Global Bootcamp on designing enterprise-scale Azure network architectures. The session covered secure, resilient, and mission-critical connectivity patterns, including hub-and-spoke and landing zone networking, Zero Trust principles, network security controls, high availability, and hybrid connectivity best practices. Enabled attendees to understand and apply Azure networking best practices for enterprise environments, improving security posture, resilience, and scalability. The session helped IT professionals and architects design production-ready Azure networks aligned with Microsoft-recommended architectures.