Schneier - Real-Time Attacks Against Two-Factor Authentication

Attackers are targeting two-factor authentication systems:

Attackers working on behalf of the Iranian government collected detailed information on targets and used that knowledge to write spear-phishing emails that were tailored to the targets' level of operational security, researchers with security firm Certfa Lab said in a blog post. The emails contained a hidden image that alerted the attackers in real time when targets viewed the messages. When targets entered passwords into a fake Gmail or Yahoo security page, the attackers would almost simultaneously enter the credentials into a real login page. In the event targets' accounts were protected by 2fa, the attackers redirected targets to a new page that requested a one-time password.

This isn't new. I wrote about this exact attack in 2005 and 2009.



from Schneier on Security https://www.schneier.com/blog/archives/2018/12/real-time_attac.html

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