Socket.io - Realtime application framework (Node.JS server)
Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
Amazon CloudWatch - Amazon CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS.
SignalR - SignalR is a server-side software system designed for writing scalable Internet applications, notably web servers.
Google Cloud Platform Security Overview - Cloud Workload Protection Platforms