A USB stick containing 2.5 GB of unencrypted data was found on a west London street. The stick reportedly contained at least 174 documents, some marked “confidential” or “restricted” Heathrow Airport says it has launched an investigation and is working with London’s Metropolitan Police to trace how the drive and the information it contains ended up in a street. Security experts say it’s unclear where the fault may lie. The information could have been copied onto the memory stick by an airport employee, contractor or supplier.”]
Source: https://www.cuinfosecurity.com/heathrow-airport-security-plans-found-on-memory-stick-a-10415