Computer users all over the world are in danger of having their machines attacked by a new cyber crook.
They are using a new type of malware that's been discovered in the Bay Area and security experts say it's a strong one capable of taking over your computer and holding it for ransom.
The warning is going out to companies as a new strain of malware just in time to hit holiday shoppers.
Nir Gaist at Santa Clara-based Nyotron discovered what is being called "Rip-Lace."
Scott Budman has more with expert advice in the video report above.