Cybersecurity & Investigations
Information security, cybersecurity, OSINT, digital forensics, security hardening, risk analysis and investigation of complex technical problems.
Technology & Cybersecurity Executive
Technology, security and business experience across complex systems and operations.
I’m Kris Tarr, a technology and cybersecurity executive with hands-on and leadership experience spanning information security, IT operations, infrastructure, software development, OSINT, digital investigations, cloud systems and executive management.
Based in Subic, Philippines · Work authorized in Canada, the European Union and the Philippines without sponsorship.
Areas of Expertise
Where technology, security and operations intersect.
Technology Leadership
CTO, IT Director, ITSM, R&D; and executive leadership across infrastructure, software development, cybersecurity, vendors and multidisciplinary technical teams.
Infrastructure & Architecture
Linux, Windows Server, networking, AWS, LAMP, server infrastructure, application architecture, reliability and performance optimization.
Software & Digital Transformation
Web applications, SaaS platforms, databases, APIs, ecommerce systems and custom software designed to replace inefficient processes with scalable digital systems.
Professional Background
Hands-on technology experience combined with executive perspective.
My career has crossed defense contracting, technology startups, global 24/7 operations, publicly traded companies, online gaming, ecommerce, regulated industries and independent consulting.
I have worked as a security systems technician, IT/communications specialist, software developer, consultant, IT Director, CTO, Interim CTO, Head of R&D;, VP of Ecommerce, founder and CEO.
Explore my professional experience →Featured Work
Systems, products and platforms I’ve built and operated.
Monitoring & Reliability
Slacron
Distributed monitoring platform for business-critical websites and servers, including availability, server-load and response-time monitoring, automated reporting and incident alerts.
Explore →Monitoring Platform
CrashSignal
Independently designed and operated uptime-monitoring and SLA-reporting service used by hundreds of users for more than five years.
Explore →Market Data & Notifications
TradeSignal
Free LAMP-based cryptocurrency market-monitoring service that let users select trading pairs and receive email alerts when configured price-movement conditions were detected, using data from multiple exchange APIs.
Explore →Articles
Technology problems, practical solutions and lessons learned.
Digital Forensics and Data Recovery: Why Preserving the Original Comes First
Data recovery and forensic recovery can look similar technically, but the priorities are different. When evidence matters, protecting the original media comes before trying to recover the files.
Continue reading →From Operational Problem to Monitoring Platform: Building Slacron and CrashSignal
Slacron and CrashSignal grew from a practical need to monitor distributed web infrastructure. This is how the architecture evolved from scheduled checks into geographically distributed monitoring, alerts and incident reporting.
Continue reading →High Availability Is More Than Redundant Servers: Lessons from Operating 24/7 Technology
High availability depends on far more than redundant servers. Power, cooling, connectivity, application design, monitoring, maintenance and the people operating the environment all matter.
Continue reading →