She said however that there is also a trade off between ease of usage and security.
"You as a customer don't want too many layers of security which make it difficult for you to use a wallet. At the same time you do want adequate protection," IT Secretary Aruna Sundararajan said.
"Some of the e-wallets are not as secure as we would like them to be," she told reporters on the sidelines of Skoch Summit.
"We are happy to note that many of them (developers) have started taking action to make sure that the (systems) are secure. Whatever needs to be done, if we feel that the existing layers of security are not (enough), we will be asking them to do it," she said.
As per IT and Law Minister Ravi Shankar Prasad digital transaction in the country have increased in the range of 400 to 1,000 per cent since November 9 -- after Prime Minister Narendra Modi announced discontinuation of old Rs 500 and Rs 1,000 notes.
"IT Ministry is fully conscious of this. We have already put our systems on immediate alert. We are keeping close watch on the situation. We have also issued detailed advisories to bank to see what are the steps that they need to put in place. We have also spoken to RBI and RBI is also monitoring the situation," she said.
National Cyber Security Coordinator Gulshan Rai said financial sector is very vulnerable to cyber breach as it works on the outsourcing model where passwords are open for many vendors involved in transactions.
"Master has so much infrastructure in the country. Visa doesn't has any infrastructure in the country. RuPay has infrastructure in the country.
"I am not advocating that they must put infrastructure here but then, must have arrangements. These companies must think of themselves as Indian and they must be ready to share, work with the government to mitigate those incidents and work out to find out root cause of those," Rai said.
He said one of the largest attack took place on Yahoo.
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