The Canadian federal government has taken some of its systems offline in response to the newly discovered Shellshock bug.

Security experts are warning users about a newly discovered security flaw that could pose a serious threat to computers and other devices using Unix-based operating systems such as Linux and Mac OS X.

New warnings are emerging of a security flaw known as the "Bash" bug, which cyber experts say may pose a serious threat to computers and other devices using Unix-based operating systems such as Linux and Mac OS X.