By NakodaX Marketing team
NakodaX · · Updated
NakodaX blog/Document Protection·2 min read
Document protection or DLP: which do you need for files you share outside?
DLP software watches and blocks sensitive data as it leaves your company, such as in email or on a USB drive. Document protection controls a file after you have chosen to send it. DLP is good at what happens inside your systems. Document protection is for files that must go to other people on purpose.
One tool watches the door. The other controls the file once it is through.
On this page
Your security team already has tools to stop sensitive data leaving by mistake. Then a client asks for a contract, and you send it, on purpose.
That is the moment those tools were not built for.
What does DLP do well?
Data loss prevention tools look at email, uploads, devices and cloud apps. They can warn, block or log when someone sends something sensitive in the wrong way. They help stop accidents and policy breaches inside your own systems.
Where does DLP stop?
When you choose to send a file to a client, a lawyer, an investor or a partner, DLP either lets it through or blocks the business. Once the ordinary file is on the other side, a DLP tool cannot change what happens to that copy.
What does document protection do?
Document Protection works at the point you decide to share. The content is encrypted before it leaves, and the file asks for permission each time it opens. You set who can open it, until when and how many times. You can see who opened it and you can revoke it after sending.
| Question | DLP | Document protection |
|---|---|---|
| Where does it work? | Inside your systems: email, devices, cloud | On the file you chose to send |
| What is it for? | Catching mistakes and policy breaches | Controlling files that must go out on purpose |
| After a file is sent | Cannot change the outside copy | Can end access to the protected file |
| Best for | Stopping accidental leaks | Contracts, proposals, board papers, financials |
Do you need both?
For most companies, yes. DLP covers what leaves by accident. Document protection covers what leaves on purpose. They do different jobs, so one does not replace the other. The story of the report your client shared shows what happens when a good file travels further than you meant.
What does this not do?
Document protection does not scan your systems for mistakes, and it does not replace your security tools. It cannot stop a screenshot or erase what someone has already seen.
The takeaway
Keep DLP for accidents, and use document protection for the files you send on purpose.
Related product
NakodaX Document Protection
Protect documents before sharing. Control who can open them, what they can see, when access ends and how protected documents are used.
See how it worksCommon questions
Does DLP protect a file after I send it to a client?
DLP works inside your systems. Once an ordinary file is with the client, it cannot change what happens to that copy.
Does document protection replace DLP?
No. It covers files you send on purpose, and DLP covers accidental and policy leaks.
Can I revoke access to a document I sent?
If the document was protected before it was sent, yes. It stops opening once you revoke.
