Connect support and security
Bring user-device issues, network dependencies, and basic security questions into the same assessment.
CompTIA
CompTIA Secure Infrastructure Specialist (CSIS)
CSIS is CompTIA's stackable credential for the combination of A+, Network+, and Security+. It brings endpoint support, network operations, and security fundamentals together under one award.
Held by Kyle Grenier →Why it matters to your business
Knowledge that supports better decisions.
Device support, networking and security affect one another. CSIS brings those foundations together so a connectivity fix can account for access controls, a new device can be configured safely, and infrastructure decisions can support daily operations.
Skills this credential validates
- Supporting computer hardware and software systems
- Managing network access and connectivity fundamentals
- Applying security controls to protect organizational assets
- Troubleshooting systems across endpoint and network layers
How that knowledge helps your team
Review infrastructure needs
Help frame practical requirements for maintaining business systems and protecting access to them.
Credential evidence
Kyle Grenier
IT Leader & Systems Administrator
Awarded June 29, 2025. Stackable credential combining A+, Network+ and Security+.
Dates reflect the supplied certificate. The issuer’s record may include later renewals.
Open original certificate (PDF) →
Put this expertise to work
Explore the services where this knowledge supports practical improvements for your business.
Discuss your systems with our team →Related certifications
Explore complementary skills behind these services.