Apple is now facing 3 privacy probes in Ireland

Apple is under a third privacy investigation by Ireland's Data Protection Commissioner.

The probe is examining whether Apple complied with the EU's new General Data Protection Regulation (GDPR) privacy law.

Apple was already being investigated for how it processes personal data for targeted advertising, and whether its privacy policy is sufficiently transparent.

Facebook, Google, and Microsoft are also under Irish DPC investigations, as their European headquarters in Ireland put them under the country's watch.

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DUBLIN (Reuters) - Apple's main regulator in the European Union, Ireland's Data Protection Commissioner (DPC), has opened a third privacy investigation into the iPhone maker over the last few weeks, a spokesman for the DPC said on Tuesday.

The probe is examining whether Apple has complied with the relevant provisions of the EU's new General Data Protection Regulation (GDPR) privacy law in relation to an access request from a customer.

It follows investigations opened last year regarding how Apple processes personal data for targeted advertising on its platform and whether its privacy policy on the processing of that data is sufficiently transparent.

The Irish DPC has 20 investigations open into multinational technology companies whose European headquarters in Ireland puts them under its watch, with Facebook under the most scrutiny with eight individual probes, plus two into its WhatsApp subsidiary and one into Facebook-owned Instagram.

Like Apple, Twitter is also under three different investigations. Google, Microsoft-owned LinkedIn, and U.S. digital advertising company Quantcast each are under one investigation.

Under the EU's General Data Protection Regulation, regulators have the power to impose fines for violations of up to 4% of a company's global revenue or 20 million euros ($22 million), whichever is higher.