Apple has warned users about attacks on its iCloud website, after monitoring groups alleged that China had tried to intercept customer information from the service.
Although China was not named, Apple said Tuesday it was "aware of intermittent organized network attacks" on its iCloud service that were designed to obtain user information, according to a company support page.
Apple said the iCloud servers are still secure but advised customers accessing the service to always verify that they've connected to an authentic iCloud website via a trusted browser.
Starting over the weekend, visits to Apple's iCloud site in China began returning an invalid digital certificate, a sign that the connections had been tampered with using a technique known as "man-in-the-middle attack", according to anti-censorship group GreatFire.org.
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