發送短信 : Investigation on effective solutions against insider attacks

 __   __    ______    _____     ______    ____    
 \ \\/ //  /_   _//  /  ___||  /_   _//  |  _ \\  
  \   //    -| ||-  | // __     -| ||-   | |_| || 
  / . \\    _| ||_  | \\_\ ||   _| ||_   | .  //  
 /_//\_\\  /_____//  \____//   /_____//  |_|\_\\  
 `-`  --`  `-----`    `---`    `-----`   `-` --`