No matter how much you nag people, plead with them and warn them, these mistakes and risky behaviors never seem to end.
Sending Sensitive Files Via a Consumer-Grade Service
When you need to share a file that's too large for your email system, it's tempting to send it through one of the free cloud services. But in general, these consumer-grade services lack the visibility and control necessary for protecting sensitive data. For example, you may love Dropbox, but you shouldn't use it for transferring files containing PII or company-sensitive information that needs to be protected. Also remember that in regulated industries, you don't have to wait for a breach to occur – just being in violation of the rules is enough to get hit with a stiff penalty