diff --git a/security/gsa/Makefile b/security/gsa/Makefile
new file mode 100644
index 000000000000..6423c3c86c57
--- /dev/null
+++ b/security/gsa/Makefile
@@ -0,0 +1,48 @@
+PORTNAME=	gsa
+DISTVERSIONPREFIX=	v
+DISTVERSION=	21.4.4
+CATEGORIES=	security
+MASTER_SITES=	LOCAL/acm/gsa/:yarn_cache
+DISTFILES=	${PORTNAME}-cache${EXTRACT_SUFX}:yarn_cache
+
+MAINTAINER=	acm@FreeBSD.org
+COMMENT=	Greenbone Security Assistant webpage written in React
+
+LICENSE=	AGPLv3+
+
+BUILD_DEPENDS=	yarn:www/yarn
+RUN_DEPENDS=	${LOCALBASE}/sbin/gsad:security/gsad
+
+USES=		nodejs:build
+
+USE_GITHUB=	yes
+GH_ACCOUNT=	greenbone
+GH_PROJECT=	gsa
+
+YARN_BIN=	${LOCALBASE}/bin/yarn
+YARN_ARGS=	--offline
+
+post-patch:
+	${ECHO_CMD} 'yarn-offline-mirror "${WRKDIR}/yarn-offline-cache"' >> \
+		${WRKSRC}/.yarnrc
+
+do-build:
+	@cd ${WRKSRC} && \
+		${YARN_BIN} ${YARN_ARGS}
+	@cd ${WRKSRC} && \
+		${YARN_BIN} ${YARN_ARGS} build
+
+do-install:
+	@${MKDIR} ${STAGEDIR}${PREFIX}/share/gvm/gsad/web
+
+	(cd ${WRKSRC}/build && ${COPYTREE_SHARE} . \
+		${STAGEDIR}/${PREFIX}/share/gvm/gsad/web)
+
+post-install:
+	@${ECHO_CMD} "share/gvm/gsad/web/index.html" >> ${TMPPLIST}
+	@${ECHO_CMD} "share/gvm/gsad/web/robots.txt" >> ${TMPPLIST}
+	@cd ${WRKSRC}/build && \
+		${FIND} -s img locales static -not -type d \
+			-exec ${ECHO_CMD} "share/gvm/gsad/web/{}" \; >> ${TMPPLIST}
+
+.include <bsd.port.mk>
diff --git a/security/gsa/distinfo b/security/gsa/distinfo
new file mode 100644
index 000000000000..afff531a586d
--- /dev/null
+++ b/security/gsa/distinfo
@@ -0,0 +1,5 @@
+TIMESTAMP = 1650923898
+SHA256 (gsa-cache.tar.gz) = 0d020dddef6d6157fd1565b9b392c8ca5958eb094570e2fb38191c5f358ac0a8
+SIZE (gsa-cache.tar.gz) = 61959406
+SHA256 (greenbone-gsa-v21.4.4_GH0.tar.gz) = 251e2ffed64eba49a4ca196775fbfe9543510fb737431fc103cca009ee4c9490
+SIZE (greenbone-gsa-v21.4.4_GH0.tar.gz) = 2471442
diff --git a/security/gsa/pkg-descr b/security/gsa/pkg-descr
new file mode 100644
index 000000000000..7c5e8859d13d
--- /dev/null
+++ b/security/gsa/pkg-descr
@@ -0,0 +1,10 @@
+The Greenbone Security Assistant is the web interface developed for the 
+Greenbone Security Manager appliances.
+
+It connects to the Greenbone Vulnerability Manager GVM to provide a 
+full-featured user interface for vulnerability management.
+
+Greenbone Security Assistant consists of GSA - The webpage written in React
+and GSAD - The HTTP server talking to the GVM daemon
+
+WWW: https://github.com/greenbone/gsa