SAN FRANCISCO (MarketWatch) — The official Twitter and YouTube pages of the U.S. Central Command were compromised Monday by hackers expressing support for ISIS, who released what appeared to be sensitive documents and personnel records.

Hackers flooded the Twitter feed of U.S. Centcom with what appeared to be strategic scenarios like the one below, along with personnel records and addresses.

Twitter

At just after 10 a.m. Pacific time, Twitter Inc. TWTR, +2.03% suspended Centcom’s account.

Centcom’s official YouTube page was also struck, as hackers uploaded ISIS videos onto the site. YouTube is owned by Google Inc. GOOG, -2.37% GOOGL, -2.41% The page was “terminated” soon after Centcom’s Twitter page was taken down.

Centcom is the U.S. unified command that covers territory from Egypt to Pakistan. The command’s website on Monday made no mention of the compromised social media, with its last release being an update on military airstrikes against ISIS in Syria and Iraq.

In a statement late Monday, Centcom acknowledged the “cybervandalism,” and said no classified information was posted, nor were its servers accessed:

“These sites reside on commercial, non-Defense Department servers and both sites have been temporarily taken offline while we look into the incident further. CENTCOM’s operational military networks were not compromised and there was no operational impact to U.S. Central Command. CENTCOM will restore service to its Twitter and YouTube accounts as quickly as possible.”

The incident is very similar to one also carried out by the so-called “CyberCaliphate” last week, when the hackers defaced the Twitter pages of CBS Corp. US:CBS affiliate WBOC and the Albuquerque Journal.

While the Albuquerque Journal’s Twitter page was soon restored, WBOC’s was still defaced as of late Monday, some six days later. Requests for comment from Twitter and WBOC were not immediately available.

Here are some of the tweets that appeared on Centcom’s compromised Twitter page before it was taken down:

Twitter