A web page/forum that I frequent numerous times at work gets redirected to an ad page that has links for other pet products.

I've talked to others who frequent this page, and those who are on a network from school or work are also getting redirected.

If we remove the 'www' from the url, occasionally we are able to get to the page, but not able to login.

I've logged in on other machines on my work's network and get the same result. I also asked an IT person to login under their identity and the same thing happens.

None of us have a problem when logging onto the site at home.

Could our networks's DNS servers be affected?

Please help by posting your opinions of what it could be. I'm worried that our network is compromised and that the IT folks aren't aware or don't have a clue of what to do.

FB