[doc] update security doc and some

[tomsun28]

What's changed?

Checklist

• I have read the Contributing Guide
• I have written the necessary doc or comment.
• I have added the necessary unit tests and all cases have passed.

Add or update API

• I have added the necessary e2e tests and all cases have passed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 32.17%. Comparing base (2df7e1d) to head (58a23b5).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2856      +/-   ##
============================================
- Coverage     32.19%   32.17%   -0.02%     
+ Complexity     1914     1913       -1     
============================================
  Files           507      507              
  Lines         18663    18663              
  Branches       2273     2273              
============================================
- Hits           6008     6005       -3     
- Misses        11949    11953       +4     
+ Partials        706      705       -1     

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