Hacker (illustration)
Hacker (illustration)Flash 90

Several United States government pages were hacked on Sunday with messages advocating support for the Islamic State (ISIS) terror group.

Among those websites to be hacked was the official site of Ohio Governor John Kasich, reported Fox News.

“You will be held accountable Trump, you and all your people for every drop of blood flowing from Muslim countries,” read the message that was planted by the hackers on the Republican's homepage, which also carried a black background and the message, “I love Islamic state.”

The page also played the Islamic Call to Prayer and displayed writings in Arabic, before it was shut down. Screenshots of the site before it went offline were captured and posted to social media:

Several other Ohio government websites were hacked, including those of the state's first lady Karen Kasich, as well as the Ohio Department of Rehabilitation and Corrections, the Department of Medicaid, and Casino Control Commission, according to Fox News.

Josh Mandel, Ohio's state treasurer and a Republican candidate for U.S. Senate, posted on Facebook that the messages were a sign of "Radical Islam infiltrating the heartland."

According to the New York Post, the same message also infiltrated government websites in Brookhaven, New York, on Long Island.

The hacked websites included a line attributing responsibility to a group named Team System Dz. A group of the same name has been known to hack websites worldwide for the past several years with an array of anti-Israel and pro-Islamic messages, noted Fox News.

The hack is part of ongoing cyberterrorism that has impacted governments and corporations across the globe.

Past cyberattacks were carried out by a group calling itself the Syrian Electronic Army (SEA), which aims to spread counter-revolutionary propaganda and hits back at news outlets it says slant their reporting of the Syria conflict.

The Syrian Electronic Army is believed to be behind a 2013 attack on the website of the New York Times. The group also claimed credit for hacking into Twitter's registry account and changing information there.