A MALICIOUS PROGRAM concealed in a digitized video clip has compromised security on thousands of computers linked to the Internet by always-on connections such as DSL, cable modems, or company networks, a network security firm reported Thursday.

With the program installed on so many machines, the hackers could easily use the compromised machines to launch a distributed denial of service attack like that which affected a number of e-commerce Web sites earlier this year, Network Security (Netsec) said in a statement.

Read more