London: One in six smartphone users in the world have fallen prey to a cyber attack, reveals a new study, adding that 60 percent of smartphone users and almost half of tablet users are vulnerable to hacking as these devices have no protection against malicious software.

According to the findings by global information services firm Experian, the cyber attacks range from phishing emails to session hijacking attacks where a user’s web browsing is interrupted by a hacker, monitored or even hijacked.