What can be done in DLP to reduce the number of false positive?

to reduce false positive incident, usually better to analyze which policy is creating those incidents and then tune it in order to reach “acceptable” amount of incident. for this you could add some criteria, update your existing one, adding some exception for normal business processes……

What is false positive and false negative in DLP?

A false positive is a false alarm. A false negative state is the most serious and dangerous state. This is when the IDS identifies an activity as acceptable when the activity is actually an attack. That is, a false negative is when the IDS fails to catch an attack.

What is false positive in IT monitoring?

A false positive occurs when a process, test or procedure indicates that a condition exists when, in fact, it does not. When monitoring an IT network, a false positive alert might advise that a certain server, network device or application has failed, or an important threshold has been crossed.

What is a false positive threat?

False positives occur when a system identifies a threat, but there isn’t a “real” threat responsible for the trigger.

How do you deal with false positives?

7 ways to filter out cyber alert false positives

1. Have each rule reviewed by a panel of security experts before adding it to the system.
2. Test the rules as silent rules before committing them.
3. Run additional iterations if the rule triggers false positives.

How do you identify false positive?

If the response time changes according to the delay, it is a genuine vulnerability. If the response time is constant or the output explains the delay, such as a timeout because the application didn’t understand the input, then it is a false positive.

How do you test a DLP policy?

How to test a Network Monitor with dlptest.com

1. Validate that the Network Monitor is see both HTTP and FTP traffic by looking a traffic stats.
2. Enable a test social security number and credit card number policy.
3. Copy the sample test data for the dlptest googletest.com/sample-data page.

How long does it take for a DLP policy to take effect?

about 1 hour
Testing a DLP Policy Your new DLP policy will begin to take effect within about 1 hour. You can sit and wait for it to be triggered by normal user activity, or you can try to trigger it yourself.

What is false positive in data science?

A false positive is when a scientist determines something is true when it is actually false (also called a type I error).

Who directed False Positive?

John LeeFalse Positive / Director

What is false positive example?

Some examples of false positives: A pregnancy test is positive, when in fact you aren’t pregnant. A cancer screening test comes back positive, but you don’t have the disease. A prenatal test comes back positive for Down’s Syndrome, when your fetus does not have the disorder(1).

What is confidence level in DLP?

Definition. A DLP policy has medium confidence that it’s detected this type of sensitive information if, within a proximity of 300 characters: The regular expression Regex_argentina_national_id finds content that matches the pattern.

How do we avoid getting a DLP notification?

Go to the Microsoft Purview compliance portal. Sign in using your work or school account. In the Microsoft Purview compliance portal > left navigation > Data loss prevention > Policy > + Create a policy. Choose the DLP policy template that protects the types of sensitive information you want to protect > Next.