diff --git a/scripts/imap-brute.nse b/scripts/imap-brute.nse
index 0764574aa..c147f0335 100644
--- a/scripts/imap-brute.nse
+++ b/scripts/imap-brute.nse
@@ -31,7 +31,7 @@ require 'imap'
 
 author = "Patrik Karlsson"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
-categories = {"brute", "intrusive"}
+categories = {"auth", "intrusive"}
 
 portrule = shortport.port_or_service({143,993}, {"imap","imaps"})
 
@@ -137,4 +137,4 @@ action = function(host, port)
 	for _, helper in pairs(ConnectionPool) do helper:close() end
 	
 	return result
-end
\ No newline at end of file
+end
diff --git a/scripts/script.db b/scripts/script.db
index f3d00ff93..d709e573a 100644
--- a/scripts/script.db
+++ b/scripts/script.db
@@ -95,7 +95,7 @@ Entry { filename = "http-vhosts.nse", categories = { "discovery", "intrusive", }
 Entry { filename = "http-vmware-path-vuln.nse", categories = { "default", "safe", "vuln", } }
 Entry { filename = "http-wp-plugins.nse", categories = { "discovery", "intrusive", } }
 Entry { filename = "iax2-version.nse", categories = { "version", } }
-Entry { filename = "imap-brute.nse", categories = { "brute", "intrusive", } }
+Entry { filename = "imap-brute.nse", categories = { "auth", "intrusive", } }
 Entry { filename = "imap-capabilities.nse", categories = { "default", "safe", } }
 Entry { filename = "informix-brute.nse", categories = { "auth", "intrusive", } }
 Entry { filename = "informix-query.nse", categories = { "auth", "intrusive", } }
@@ -187,7 +187,7 @@ Entry { filename = "smb-security-mode.nse", categories = { "default", "discovery
 Entry { filename = "smb-server-stats.nse", categories = { "discovery", "intrusive", } }
 Entry { filename = "smb-system-info.nse", categories = { "discovery", "intrusive", } }
 Entry { filename = "smbv2-enabled.nse", categories = { "default", "safe", } }
-Entry { filename = "smtp-brute.nse", categories = { "brute", "intrusive", } }
+Entry { filename = "smtp-brute.nse", categories = { "auth", "intrusive", } }
 Entry { filename = "smtp-commands.nse", categories = { "default", "discovery", "safe", } }
 Entry { filename = "smtp-enum-users.nse", categories = { "discovery", "external", "intrusive", } }
 Entry { filename = "smtp-open-relay.nse", categories = { "discovery", "external", "intrusive", } }
diff --git a/scripts/smtp-brute.nse b/scripts/smtp-brute.nse
index 39484197f..cf294239b 100644
--- a/scripts/smtp-brute.nse
+++ b/scripts/smtp-brute.nse
@@ -31,7 +31,7 @@ require 'smtp'
 
 author = "Patrik Karlsson"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
-categories = {"brute", "intrusive"}
+categories = {"auth", "intrusive"}
 
 portrule = shortport.port_or_service({ 25, 465, 587 },
                 { "smtp", "smtps", "submission" })
@@ -133,4 +133,4 @@ action = function(host, port)
 	for _, sock in pairs(ConnectionPool) do sock:close() end
 	
 	return result
-end
\ No newline at end of file
+end