mridulm opened a new pull request, #40568:
URL: https://github.com/apache/spark/pull/40568
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### What changes were proposed in this pull request?
Most uses of `Random` in spark are either in testcases or where we need a
pseudo random number which is repeatable.
Use `SecureRandom`, instead of `Random` for subset of cases where it helps:
### Why are the changes needed?
Use of `SecureRandom` in more security sensitive contexts.
This was flagged in our internal scans as well.
### Does this PR introduce _any_ user-facing change?
Directly no.
Would improve security posture of Apache Spark.
### How was this patch tested?
Existing unit tests
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