Security with Go, published by Packt
Modern Web Application with Golang
An implementation of the Duo Security Web SDK in Go/Golang.
set of web security test cases and a toolkit to construct new ones
Janusec Application Gateway, an application security solution which provides WAF (Web Application Firewall), CC attack defense, OAuth2 Authentication, private key protection, Web SSH operation, Web routing and scalable load balancing.
A golang ebook intro how to build a web with golang
Gryffin is a large scale web security scanning platform.
Sqreen's Application Security Management for the Go language