The Library of Congress email system suffered <a href="https://www.foxnews.com/category/tech/topics/hackers" target="_blank" rel="noopener">a substantial hack</a> earlier this year by a "foreign adversary," Fox News can confirm.

It is unclear if the hack compromised accounts of those who work directly for the House and Senate.

However, Fox News is told that U.S. Capitol Police has referred the matter to the FBI, and it is investigating the scope of the hack.

<div class="m"><picture> <img src="https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/11/1200/675/gettyimages-1983624444-scaled.jpg?ve=1&amp;tl=1" alt="U.S. Library of Congress" width="100%" height="auto"></picture></div> <div class="info"><div class="caption"><p><span>The main reading room at the Library of Congress, in Washington, DC, on February 6, 2024.</span> <span>(DANIEL SLIM/AFP via Getty Images)</span></p></div></div>

<i>This is a developing story. Please check back here for more updates.&nbsp;</i><br>&nbsp;

<i>Stepheny Price is writer for Fox News Digital and Fox Business. Story tips and ideas can be sent to stepheny.price@fox.com</i>

An investigation is underway after a "foreign adversary" hacked the Library of Congress email systems earlier this year.{ai:summary}<p>The Library of Congress email system experienced a significant hack attributed to a "foreign adversary." It remains uncertain whether accounts of House and Senate staff were compromised. The U.S. Capitol Police has referred the investigation to the FBI. </p><p>This story is ongoing, and further updates will be provided as they become available. #foreignaffairs</p>

Library of Congress email system hacked earlier this year by 'foreign adversary'

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