"The ideology and motivation that manifests individuals have to be curbed. And the source need not be within the country. It could be outside the country. That is why we have to ensure prevention of terrorism," Prabhu told a gathering here yesterday.
He was delivering a talk 'Role of good governance in national security', organised by Forum for Integrated National Security (FINS), a local NGO.
Prabhu said a terror attack gets media headlines, but prevention of such attacks due to timely action does not get so much into the public domain.
The Minister also said that a stronger economy is required for a secure nation.
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He also said that the concept of security has changed over the time.
"From securing only borders with the help of defence forces to the internal security to securing water and food, there has been a change," he said.