The increase in data breaches compared to last year was mainly due to several incidents involving the use of ‘autocomplete’ in emails.
Roedd y cynnydd mewn achosion o fynediad anghyfreithlon at ddata o'i gymharu â'r llynedd yn deillio'n bennaf o nifer o ddigwyddiadau'n ymwneud â defnyddio 'awtogwblhau' mewn negeseuon e-bost.