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Two-Factor Authentication’s Weak Point

Two-factor authentication makes your accounts more secure by requiring something else in addition to a password to log in. However, its weak point was recently exposed, as attackers gained access to Black Lives Matter activist DeRay Mckesson’s Twitter account despite his use of two-factor authentication. Many two-factor systems rely on codes sent via SMS text messaging, but unfortunately, cellular carriers turn out to be easy targets for social engineering. Glenn Fleishman, writing for Macworld, explains the vulnerability and how to better secure your cellular accounts against troublemakers.

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