diff --git a/JamWiFi.xcodeproj/project.pbxproj b/JamWiFi.xcodeproj/project.pbxproj
index d481b06..e68af5d 100644
--- a/JamWiFi.xcodeproj/project.pbxproj
+++ b/JamWiFi.xcodeproj/project.pbxproj
@@ -390,7 +390,9 @@
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "JamWiFi/JamWiFi-Prefix.pch";
 				INFOPLIST_FILE = "JamWiFi/JamWiFi-Info.plist";
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = macosx10.7;
 				WRAPPER_EXTENSION = app;
 			};
 			name = Debug;
@@ -402,7 +404,9 @@
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "JamWiFi/JamWiFi-Prefix.pch";
 				INFOPLIST_FILE = "JamWiFi/JamWiFi-Info.plist";
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = macosx10.7;
 				WRAPPER_EXTENSION = app;
 			};
 			name = Release;
diff --git a/JamWiFi/ANListView.h b/JamWiFi/ANListView.h
index f1a987e..2c1cf25 100644
--- a/JamWiFi/ANListView.h
+++ b/JamWiFi/ANListView.h
@@ -27,4 +27,6 @@
 - (void)disassociateButton:(id)sender;
 - (void)jamButton:(id)sender;
 
+- (NSString *)securityTypeString:(CWNetwork *)network;
+
 @end
diff --git a/JamWiFi/ANListView.m b/JamWiFi/ANListView.m
index 3edc681..319afb4 100644
--- a/JamWiFi/ANListView.m
+++ b/JamWiFi/ANListView.m
@@ -53,21 +53,27 @@ - (id)initWithFrame:(NSRect)frame {
         NSTableColumn * channelColumn = [[NSTableColumn alloc] initWithIdentifier:@"channel"];
         [[channelColumn headerCell] setStringValue:@"CH"];
         [channelColumn setWidth:40];
-        [channelColumn setEditable:NO];
+        [channelColumn setEditable:YES];
         [networksTable addTableColumn:channelColumn];
         
         NSTableColumn * essidColumn = [[NSTableColumn alloc] initWithIdentifier:@"essid"];
         [[essidColumn headerCell] setStringValue:@"ESSID"];
         [essidColumn setWidth:200];
-        [essidColumn setEditable:NO];
+        [essidColumn setEditable:YES];
         [networksTable addTableColumn:essidColumn];
         
         NSTableColumn * bssidColumn = [[NSTableColumn alloc] initWithIdentifier:@"bssid"];
         [[bssidColumn headerCell] setStringValue:@"BSSID"];
         [bssidColumn setWidth:120];
-        [bssidColumn setEditable:NO];
+        [bssidColumn setEditable:YES];
         [networksTable addTableColumn:bssidColumn];
         
+        NSTableColumn * encColumn = [[NSTableColumn alloc] initWithIdentifier:@"enc"];
+        [[encColumn headerCell] setStringValue:@"Security"];
+        [encColumn setWidth:60];
+        [encColumn setEditable:YES];
+        [networksTable addTableColumn:encColumn];
+        
         [networksScrollView setDocumentView:networksTable];
         [networksScrollView setBorderType:NSBezelBorder];
         [networksScrollView setHasVerticalScroller:YES];
@@ -137,16 +143,23 @@ - (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView {
 
 - (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
     CWNetwork * network = [networks objectAtIndex:row];
+    
     if ([[tableColumn identifier] isEqualToString:@"channel"]) {
         return [NSNumber numberWithInt:(int)network.wlanChannel.channelNumber];
     } else if ([[tableColumn identifier] isEqualToString:@"essid"]) {
         return network.ssid;
     } else if ([[tableColumn identifier] isEqualToString:@"bssid"]) {
         return network.bssid;
+    } else if ([[tableColumn identifier] isEqualToString:@"enc"]) {
+        return [self securityTypeString:network];
     }
     return nil;
 }
 
+- (void)tableView:(NSTableView *)tableView setObjectValue:(id)object forTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
+    return;
+}
+
 - (void)tableViewSelectionDidChange:(NSNotification *)notification {
     if ([[networksTable selectedRowIndexes] count] > 0) {
         [jamButton setEnabled:YES];
@@ -155,6 +168,18 @@ - (void)tableViewSelectionDidChange:(NSNotification *)notification {
     }
 }
 
+- (NSString *)securityTypeString:(CWNetwork *)network {
+    if ([network supportsSecurity:kCWSecurityDynamicWEP]) {
+        return @"WEP";
+    } else if ([network supportsSecurity:kCWSecurityModeOpen]) {
+        return @"Open";
+    } else if ([network supportsSecurity:kCWSecurityEnterprise]) {
+        return @"Enterprise";
+    } else {
+        return @"WPA";
+    }
+}
+
 #pragma mark - Private -
 
 - (void)handleScanError {
diff --git a/JamWiFi/main.m b/JamWiFi/main.m
index 8b97dae..03efd9a 100644
--- a/JamWiFi/main.m
+++ b/JamWiFi/main.m
@@ -42,7 +42,7 @@ int main(int argc, char *argv[]) {
             myStatus = AuthorizationExecuteWithPrivileges(myAuthorizationRef, myToolPath, myFlags, myArguments,
                                                           NULL);
             AuthorizationFree(myAuthorizationRef, kAuthorizationFlagDefaults);
-            return 0;
+            exit(0);
         }
         return NSApplicationMain(argc, (const char **)argv);
     }