Poorly securing personal data in the UK/EU is rather illegal. So no, any reputable shop *will* care about security, ensuring personal data is kept secure and bugs patched as a priority.
Going up the food chain, "huge clients which you all heard of, multinationals, some parts of governments" will not be impressed if you are found to be slack when it comes to leaking customers data.
Poorly securing personal data in the UK/EU is rather illegal. So no, any reputable shop *will* care about security, ensuring personal data is kept secure and bugs patched as a priority.
Going up the food chain, "huge clients which you all heard of, multinationals, some parts of governments" will not be impressed if you are found to be slack when it comes to leaking customers data.