Add vendor assessment agent

Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>

pkg/agent/tools/security/security.go

@@ -0,0 +1,51 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package security
+
+import (
+	"os"
+
+	"go.probo.inc/probo/pkg/agent"
+)
+
+var defaultResolverAddr = resolverAddr()
+
+func resolverAddr() string {
+	if addr := os.Getenv("DNS_RESOLVER_ADDR"); addr != "" {
+		return addr
+	}
+	return "8.8.8.8:53"
+}
+
+// Toolset provides all security assessment tools.
+type Toolset struct{}
+
+// NewToolset creates a security toolset.
+func NewToolset() *Toolset { return &Toolset{} }
+
+func (t *Toolset) Tools() []agent.Tool {
+	return []agent.Tool{
+		CheckSSLCertificateTool(),
+		CheckSecurityHeadersTool(),
+		CheckDMARCTool(),
+		CheckSPFTool(),
+		CheckBreachesTool(),
+		CheckDNSSECTool(),
+		AnalyzeCSPTool(),
+		CheckCORSTool(),
+		CheckWhoisTool(),
+		CheckDNSRecordsTool(),
+	}
+}