These backdoors are implemented only on jailbroken Apple devices through some shady tweaks that users installed.
The iCloud hack was also reported by redditor,and on Chinese microblogging website, Weibo.
WooYun is an information security platform where researchers report vulnerabilities and vendors give their feedbacks.
Thats why I got a shady email yesterday which asked me to unlock my apple is maybe?
Datum und Zeit: 25.
August 2015, 04:57 Uhr CEST Um unauthorisierte Verwendung Ihres Kontos vorzubeugen, wurde Ihre Apple-ID automatisch gesperrt.
Um Ihre Apple-ID zu entsperren klicken Sie hier.
Dies ist eine automatische Nachricht.
Bitte antworten Sie nicht auf diese E-Mail.
To unlock your Apple ID, click here.
This is an automatic message.
kindly do not reply to this email.
source: www.techworm.net