While iOS is relatively more difficult to penetrate than other operating systems, clever criminals have found a way to breach its security. Through voice phishing, scammers are tricking iPhone users by pretending to be from Apple Support and asking for their login credentials.
How to protect your iPhone from phishers
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PhishPoint attack looks like SharePoint

Have you ever received an email that claimed to come from a bank or government office when it obviously didn’t? It was probably a phishing scam trying to trick you into downloading malware. The most recent campaign duplicates a trustworthy Office 365 email and can fool even the most skeptical users.