A Hacker named as "Havittaja" attack more than 100 Brazil Governments sites with DDoS(Denial of Service) attack method.
The following sites are victim of DDos attack:
antigo.se.df.gov.br
brasiliasustentavel.seduma.df.gov.br
www.admjardimbotanico.df.gov.br
www.agecom.df.gov.br
www.agenciabrasilia.df.gov.br
www.aguasclaras.df.gov.br
www.arpdf.df.gov.br
www.bandeirante.df.gov.br
www.brasilia.df.gov.br
www.brasiliatur.df.gov.br
www.brazlandia.df.gov.br
www.candangolandia.df.gov.br
www.capitaldigital.df.gov.br
www.carnaval.df.gov.br
The full list can be found here:
http://pastebin.com/cujqqtcn