Network Data Loss Prevention (DLP)
Definition
Network DLP aims to detect and limit unwanted transmission of sensitive data.
Systems check supported network transmissions based on defined rules, for example for confidential content or unauthorized destinations. Encryption and technical integration determine visibility.
Simply explained
A controlled egress checks which information leaves the company.
Why it matters in practice
AI applications can open new paths for unintended data disclosure.
Example from business
Hypothetical: A rule blocks the transmission of marked customer data to an unauthorized service.
Limits and pitfalls
- DLP does not recognize every meaning. False positives and unmonitored channels remain possible.
Origin & history
DLP originates from information security and the protection of sensitive corporate data.
Use in mid-sized companies
- SMEs should first define data types and permissible transmission paths.
Frequently asked questions
Does Network DLP replace access rights?
No, it complements other protective measures.
Sources
- Data loss prevention overview — · Microsoft: Data loss prevention overview —
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