Microsoft Warns of Widespread Phishing Attacks Using Open Redirects
Aug 28, 2021
Microsoft is warning of a widespread credential phishing campaign that leverages open redirector links in email communications as a vector to trick users into visiting malicious websites while effectively bypassing security software. "Attackers combine these links with social engineering baits that impersonate well-known productivity tools and services to lure users into clicking," Microsoft 365 Defender Threat Intelligence Team said in a report published this week. "Doing so leads to a series of redirections — including a CAPTCHA verification page that adds a sense of legitimacy and attempts to evade some automated analysis systems — before taking the user to a fake sign-in page. This ultimately leads to credential compromise, which opens the user and their organization to other attacks." Although redirect links in email messages serve a vital tool to take recipients to third-party websites or track click rates and measure the success of sales and marketin...
