Someone has hacked our wordpress Plugin Profile

Hello Support Team,

Someone has hacked our wordpress plugin profile –

http://profiles.wordpress.org/users/syonplugins/

we no longer can access the syon profile page..is there anyone who can help us figure out this issue and that guy has also deleted our syon slider plugin..

rightnow there are 3 plugins which we have submitted :

Syon Slider http://wordpress.org/extend/plugins/syon-slider/
Syon Easy Privacy Plugin : http://wordpress.org/extend/plugins/syon-easy-privacy-policy-and-terms-of-use-plugin/
Syon GA Plugin : http://wordpress.org/extend/plugins/syon-google-analytics/