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Some of those stages could be a Time-based One-Time Password (TOTP), mobile verification, or a hardware token, among others. Multifactor Authentication (MFA) is a method of identifying users by presenting several separate authentication stages. Make Brian safe again! 1 - Multifactor Authentication In this post, we'll teach you five things you can implement to prevent your users from being hacked. 5 Things that Could Have Prevented the Hack Instead, the cyber criminal called PayPal customer support, impersonated him, and got access to his account in a matter of minutes, having provided only that static and easy-to-obtain information about the user, not once but twice. In Brian's case, he soon discovered that it was not his password that was compromised. A strong password is mandatory, especially for a service that is directly linked to the user's credit cards.

Yesterday, Brian Krebs from Krebs on Security reported that his PayPal account had been hacked using one of the oldest hacking methods: social engineering, and knowing some pieces of static information about the account owner -the last four digits of an old credit card and the last four digits of the social security number-.īeing a known security expert, Brian had a strong account password that is, it was long and complex, and used all types of characters.