The National Republican Congressional Committee suffered a major hack earlier this year, according to three senior party officials, raising concerns the intrusion may have been orchestrated by a foreign agent.
Committee spokesman Ian Prior says Tuesday that the intrusion was by an "unknown entity", but an internal investigation also has been launched. "An internal investigation was initiated and the FBI was alerted to the attack, said the officials, who requested anonymity to discuss the incident", Politico reported.
Politico reports that the NRCC paid "hundreds of thousands of dollars" to the Washington law firm Covington and Burling to respond to the hack, along with Mercury Public Affairs. "It's time to wake up", Warner said.
Virginia Senator Mark Warner, the ranking Democrat on the Intelligence Committee, said in a tweet that the NRCC hack demonstrates that such attacks are "not a Republican or Democratic problem".
Republicans used hacked information from the Democratic National Committee to their advantage in 2016.
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In an interesting twist, the NRCC's cybersecurity contractor is Crowdstrike, the same company hired by the Democrats to respond to their 2016 hack, which they blamed on Russian Federation.
In August, Microsoft alerted the public to attempts by government-backed Russian hackers to target USA conservatives' email by creating fake websites that appeared to belong a pair of think tanks, the Hudson Institute and International Republican Institute.
Special counsel Robert Mueller is now investigating the whether people close to Donald Trump's presidential campaign had advance knowledge of WikiLeaks' plans.
Democratic lawmakers saw their cellphone numbers splashed online and voting databases for all 50 states had some type of intrusion attempt, although only a few were compromised. DHS is the lead agency in charge of election cybersecurity efforts.
The emails stolen in the breach have not been made public, and there is no indication that the hackers have tried to leverage them against the party or their staffers.