Multi-Factor Authentication Fatigue Attack, Signal Account Twilio Hack, Facebook and Instagram In-App Browser

A Cisco employee was compromised by a ransomware gang using a technique called multi-factor authentication fatigue, an attack on the Signal messenger app's SMS service Twilio potentially disclosed the phone numbers of 1,900 users, and details on how Facebook and Instagram track what you click on including your web browsing history by using their in-app browser.

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