Joomscan Security Scanner is now updated to 611 Joomla vulnerabilities Database. Last update for this tool was in November, 2011 with 550 vulnerabilities in Database. In joomscan, you can check for new updates with command:./joomscan.pl check or/joomScan.pl update. In this case, the update is an update to the previous version of this tool. In fact, the last update was November 2011 update to this tool had 550 vulnerabilities. For more information, visit Security Team Web-Center.
Source: https://thehackernews.com/2012/02/joomscan-security-scanner-updated-to.html