The U.S. thwarted attempts to breach election sites in a joint operation, officials say

A little-known partnership between the country's military cyber forces and homeland defenders has stymied the impact of two state-linked attacks, senior officials disclosed at the RSA Conference.

Why it matters: With so many cyber-related agencies in the U.S., it's often difficult for anyone outside of the government to understand which office is responsible for what during an attack.

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