In a letter sent Tuesday to the Department of Homeland Security, Sen. Ron Wyden (D-OR) called for federal agencies to implement stricter controls on e-mail that would prevent hackers from impersonating email addresses of federal agencies.
Wyden called for the use of an email protocol called Domain-based Message Authentication, Reporting and Conformance (DMARC). The protocol can be used to filter or block spoofed emails that use a real domain address but are sent from a third-parties such as an attacker.
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