A major malware attack, named Petya, has brought one of the three ports in Jawaharlal Port Trust (JNPT) to a complete standstill. Senior JNPT officials told mid-day, "The Gateway Terminals India (GTI), third container terminal operated by (APM Terminals and the container Corporation of India Ltd) was affected due to the cyber attack, on Tuesday, between 5 pm and 6 pm. GTI handles one-third of the port loading and unloading, and the all operations have come to a halt. It may take 24 hours for things to return to normal."