Vijay Mukhi, a Mumbai-based expert in cyber security, alongwith The Federation of Indian Chambers of Commerce and Industry (FICCI), helped train students of the city on how to man the unprotected cyber terrain. "After the Ahmedabad blasts we realised that unsecured wi-fi connections were used to send the e-mails. That's when we realised the danger," said Farnaaz, a student.