The answer is C. A hacker who … GREGORY EVANS 14 years ago The answer is C. A hacker who focuses on communication systems to steal calling card numbers and attack PBXs The answer is C.DateNovember 23, 2010In relation toGreg's BlogThe answer is C. conducting a …DateNovember 17, 2010In relation toGreg's BlogThe answer is CDateNovember 17, 2010In relation toGreg's Blog
