Airbus have confimed the security breach and on press release it says “they detected a cyber incident on Airbus ‘Commercial Aircraft business’ information systems, which resulted in unauthorised access to data. There is no impact on Airbus’ commercial operations”.
Currently, Airbus have not gave details about how and when the hack occurred but is investing the hack incident to get the root cause and also taken immediate and appropriate actions to reinforce existing security measures and to mitigate its potential impact, as well as determining its origins.”
The company has also instructed its employees to "take all necessary precautions going forward," to strengthen their security defenses.
Furthermore, Airbus said it has informed the relevant authorities under GDPR legislation. This hack incident has not impacted its commercial operations, So there's no impact on aircraft production, hence operate as normal.