Table 2 Attack types across NSL-KDD and CICIDS-2017.

From: Applying the defense model to strengthen information security with artificial intelligence in computer networks of the financial services sector

Class

NSL-KDD Train

NSL-KDD Test

CICIDS-2017 Train

CICIDS-2017 Test

DoS

67,343

9711

14,538

12,219

DDoS

–

–

2700

3300

Probe

11,656

2421

3808

4192

R2L

995

3968

900

1100

U2R

52

42

24

6

PortScan

–

–

3808

4192

Bot

–

–

936

624

Brute-Force

–

–

1800

2200

Web Attack

–

–

1406

654

Infiltration

–

–

24

6

Normal

67,343

9711

20,000

20,000

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