The penalty comes after a staff member lost a USB stick in October 2017 containing “sensitive personal data”, which was later found by a member of the public. The Information Commissioners Office (ICO) said the memory stick, which contained 76 folders and more than 1,000 files, was not encrypted or password-protected.
Personal data of up to 50 Heathrow aviation security personnel was revealed. Still, only a small amount of files contained “sensitive” information, including a training video that exposed the names, dates of birth and passport numbers of 10 people, according to BBC.
However, a Heathrow spokeswoman said that following this incident, the company took action and strengthened processes and policies.
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