About Check
Check is an advanced browser extension that provides real-time protection against Microsoft 365 phishing attacks. It uses sophisticated detection algorithms to identify and block malicious login pages before credentials can be compromised.
The extension integrates seamlessly with existing security workflows, offering centralized management, comprehensive logging, and CIPP integration across every Microsoft 365 tenant Kirbtech manages.
- Blocks credential-harvesting pages in real time
- Centrally managed policy — no user action required
- Detections reported straight to the Kirbtech SOC
Deployed by Kirbtech
Kirbtech is a managed service provider delivering Microsoft 365 automation and security solutions to small and mid-size businesses across Central Pennsylvania.
With nearly two decades of around-the-clock support behind it, Kirbtech deploys enterprise-grade tooling like Check to strengthen your security posture — proactively, and without adding work to your day.
- 24/7 monitoring and response
- We don't stop until it's solved
- Deeply capable, genuinely people-centered
Edge Add-ons Store
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Chrome Web Store
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Kirbtech Website
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Kirbtech Support
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Check is an open-source project by CyberDrain, configured and deployed for you by Kirbtech.