To avoid detection, some hackers are ditching malware and living "off the land" -- using whatever tools are already available in the compromised systems, according to a new report from Dell SecureWorks. In fact, this has been the case for nearly all the intrusions analyzed by the Dell SecureWorks

The cyber criminals typically start out with compromised credentials, said Phil Burdette, senior security researcher at Atlanta-based Dell SecureWorks, Inc.