Gemalto, the world leader in digital security, has released the latest findings of the Breach Level Index, a global database of public data breaches, revealing 918 data breaches led to 1.9 billion data records being compromised worldwide in the first half of 2017. Compared to the last six months of 2016, the number of lost, stolen or compromised records increased by a staggering 164%. A large portion came from the 22 largest data breaches, each involving more than one million compromised records. Of the 918 data breaches more than 500 (59% of all breaches) had an unknown or unaccounted number of compromised data records.