(S (S (BASENP (DT The) (NN Internet) (NN security) (NN firm) (NNP Secunia.com)) (COMMA ,) (VP (VBZ has) (VP (VBN said) (SBAR (IN that) (S (S (PP (IN as) (PP (IN of) (NP (BASENP (NNP March) (NN 4)) (COMMA ,) (BASENP (NN 2011))))) (COMMA ,) (S (BASENP (NNP IE6)) (VP (VBZ has) (BASENP (NN 277) (NNS vulnerabilities))))) (COLON ;) (S (NP (BASENP (NN 39) (NN percent)) (PP (IN of) (BASENP (DT these)))) (VP (VBP are) (VP (VBN rated) (QT (DQL ``) (ADJP (RB highly) (JJ critical)) (DQR '')))))))))) (PERIOD .))