Researchers at INKY have observed an “explosion” of Zoom-themed phishing attacks over the Spring and Summer of 2020. Most of the attacks are aimed at stealing credentials to services like Outlook and Office 365 by directing users to spoofed login pages. The researchers say they’ve observed the emails being sent from legitimate, compromised accounts as well as convincing spoofed domains.
“At INKY, most of the Zoom impersonator phishing emails we have seen came from hijacked accounts, but we also saw newly created domain names like zoomcommuncations[.]com and zoomvideoconfrence[.]com,” they write. “As disturbing as that is, it’s also what makes these fake meeting invitations so easy to fall for and so difficult for traditional Secure Email Gateways (SEGs) to catch.”
Additionally, the attackers are using obfuscation and other techniques that make it more difficult for security systems to detect their phishing pages.
INKY provides a number of screenshots of some of the spoofed websites, and they appear identical to the legitimate login portals for Outlook and Office 365. In the Outlook example, the site’s URL was “owa-mail-auth[.]web[.]app,” which could fool even someone who had been trained to scrutinize URLs.
Attackers are constantly taking steps to improve the reach and effectiveness of their phishing campaigns. New-school security awareness training can enable your employees to avoid falling for these attacks, even if the phishing sites appear perfectly convincing.
INKY has the story.
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