Hackers claim to have hundreds of millions of iCloud credentials threatened to wipe date from iPhones, iPads and Macs. Apple has been accused of paying hackers $150,000 to get the credentials back. Hackers can brute-force passwords that consist of a single real-world word — one in the dictionary — by relying on, not surprisingly, lists of words from the dictionary. People should also enable two-factor authentication, which prevents a hacker from changing credentials unless they have one of the user’s designated “trusted devices””]