BRUSSELS (Reuters) - National cybersecurity experts have shelved a vote on a draft EU cybersecurity label allowing Amazon, Alphabet's Google and Microsoft to bid for highly sensitive EU cloud computing contracts to May, people familiar with the matter said on Tuesday.

The European Union wants to introduce a cybersecurity certification scheme (EUCS) to vouch for the cybersecurity of cloud services and help governments and companies pick a secure and trusted vendor for their cloud computing business.