Suggested course for 'ethical-hacking-countermeasures'

Certified Ethical Hacker (CEH v12)
Certified Ethical Hacker (CEH v12)
ISBN: 9781644599815
CEH-v12.AE1
Network Defense and Countermeasures
Network Defense and Countermeasures
ISBN: 9781616910501
pearson-network-defense-complete
Penetration Testing Fundamentals
Penetration Testing Fundamentals
ISBN: 9781616910297
pearson-pentest-complete
Penetration Testing Essentials
Penetration Testing Essentials
ISBN: 9781616910150
pen-test
CIW: User Interface Designer (1D0-621)
CIW: User Interface Designer (1D0-621)
ISBN: 9781616917128
1D0-621