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Phishing Emails Use Small Font Size to Bypass Security Filters

By November 15, 2021Cyber Security

Researchers at Avanan have spotted phishing emails that use a font size of one to fool email security scanners. The emails appear to be password expiration notifications from Microsoft 365. The attackers have inserted benign links that are invisible to the human eye, but trick security scanners into viewing the email as a legitimate marketing email.

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Robert Crossland

Author Robert Crossland

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