from the picture-is-worth-a-thousand-lies dept.
TJNoffy writes "The H Security's H-online reports that 'Hacker Dmitry Sklyarov has succeeded in extracting the secret signing key from numerous digital SLR cameras and has used it to sign modified images which Canon's latest OSK-E3 security kit verifies as legitimate. Canon's Original Data Security System is intended to show whether changes have been made to photographs and to verify date and location information. The system is primarily used for ensuring the integrity of evidence, for reporting accidents and for construction records.'"
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.