"The accessibility people have to mobile devices is on the rise, particularly from a young age.
"More now than ever before, it is essential that as a nation, we understand how much information, is too much, to disclose."
According to a report from Google released in May last year, smartphone penetration in New Zealand at that time was at 44 per cent of the population.
Smartphone owners who used the internet regularly had an average of 25 apps installed on their phones, Google said.
Chand said cybercriminals were getting smarter all the time.
"Apps like 'Angry Birds' and 'Angry Birds Space' can access data like a phone's IMEI number and a user's location, threatening an individuals' privacy."
An International Mobile Station Equipment Identity (IMEI) is a number which identifies an individual device and can be used to stop a stolen phone from accessing the network.
Dr Hossein Sarrafzadeh, head of computing at Unitec, said smartphones are just as vulnerable to cyberattacks through malware as a desktop computer or laptop.
"You've basically got a computer in your smartphone. It's a similar risk but the methods or infiltration are different," he said.
If someone gets access to the phone's IMEI number they can track its location, and consequently the owner's location.
"And if that smartphone has your details on it then they can access that as well," Sarrafzadeh said.
Its rankings were based on the yearly analysis of real-time threat detection via one of its products, Trend Micro Mobile Security Personal Edition.
The 10 most at-risk countries:
India
Turkey
Philippines
Bulgaria
South Korea
Austria
New Zealand
Russia
Hong Kong
United States