CSAI2026 labs: Lab-2..Lab-6 (Practical + Solution, data), Module-2..Module-6 notebooks and datasets
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timestamp,source_ip,username,status,hour,is_off_hours
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2026-09-01 10:00:12+00:00,203.0.113.55,admin,SUCCESS,10,False
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2026-09-01 10:01:23+00:00,198.51.100.14,guest,FAILED,10,False
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2026-09-01 10:01:28+00:00,198.51.100.14,root,FAILED,10,False
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2026-09-01 10:01:33+00:00,198.51.100.14,admin,FAILED,10,False
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2026-09-01 10:02:15+00:00,203.0.113.55,jdoe,SUCCESS,10,False
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2026-09-01 10:03:01+00:00,192.0.2.88,admin,SUCCESS,10,False
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2026-09-01 10:03:45+00:00,198.51.100.14,jdoe,FAILED,10,False
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2026-09-01 10:03:51+00:00,198.51.100.14,admin,FAILED,10,False
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2026-09-01 10:04:10+00:00,198.51.100.14,admin,FAILED,10,False
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2026-09-01 22:15:00+00:00,192.0.2.99,nightops,FAILED,22,True
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2026-09-01 23:40:00+00:00,192.0.2.99,admin,FAILED,23,True
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2026-09-02 01:05:00+00:00,198.51.100.14,root,FAILED,1,True
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2026-09-02 01:10:00+00:00,203.0.113.77,unknown,FAILED,1,True
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2026-09-02 06:10:00+00:00,203.0.113.55,alice,SUCCESS,6,False
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2026-09-02 07:20:00+00:00,192.0.2.88,bob,SUCCESS,7,False
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2026-09-02 07:25:00+00:00,192.0.2.88,bob,SUCCESS,7,False
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2026-09-02 10:30:00+00:00,198.51.100.14,admin,FAILED,10,False
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SECURITY ANALYSIS SUMMARY
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=========================
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Clean events: 17
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Failed events: 11
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Failure rate: 64.71%
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Top suspicious IP: 198.51.100.14 (8 failed attempts)
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Off-hours failed attempts: 4
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Decision threshold: 3 failed attempts
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Recommended action:
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- Review events from 198.51.100.14.
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- Correlate off-hours failures with endpoint and identity logs.
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- Validate whether the account owners recognize these attempts.
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source_ip,failed_attempts
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198.51.100.14,8
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