Can you tell if a file has been emailed?

Can you tell if a file has been emailed?

No, there is no way that you can tell whether he did that or copied the files to a removable drive.

How do you check if file is uploaded or not in JavaScript?

How to check input file is empty or not using JavaScript/jQuery ?

1. Approach 1: Use element. files. length property to check file is selected or not.
2. Example: This example implements the above approach.
3. Output:
4. Approach 2: Use element. files.
5. Example: This example implements the above approach.
6. Output:

How to check whether the user uploaded a file in PHP?

Returns TRUE if the file named by filename was uploaded via HTTP POST. This is useful to help ensure that a malicious user hasn’t tried to trick the script into working on files upon which it should not be working–for instance, /etc/passwd.

How to detect if a file was saved or copied?

Analyse NTUSER.DAT file associated to that particular user in question. Go to NTUSER.DAT\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\MountPoints2 and search for the GUID of the device. If you use Encase or FTK search for key words (name of the file in question), analyse the .lnk files associated with the keyword.

What does upload err no file mean in PHP?

See the PHP manual on file upload error messages. If you just want to check for no file, use UPLOAD_ERR_NO_FILE. In general when the user upload the file, the PHP server doen’t catch any exception mistake or errors, it means that the file is uploaded successfully. https://www.php.net/manual/en/reserved.variables.files.php#109648

What should I do if I suspect someone is stealing my files?

If it is the latter, then you should really turn your attention towards the logging/auditing solutions. If you hand has been forced, you should just kill whom ever you suspect of stealing the files before they can distribute/deliver them.