Excel flaw opens backdoor to PC systems

Security experts are telling organizations to warn users to use caution when opening emailed Excel files from unknown users, citing a "critical" Excel vulnerability. The Trojan, named Mdropper.j, will drop a Booli.a downloader into the user's PC via the flaw. The Booli.a then serves as a system backdoor to hackers.

For more on the Excel vulnerability:
- check out this article at TechWeb