preferable. CompTIA Security - preferable Certified Ethical Hacker (CEH) - preferable GIAC Security Essentials
(CySA) ISC2 CISSP/SSCP Nice to have CEH (Certified Ethical Hacker) CCNA (Cisco Certified Network Administrator Hat Certified System Administrator CEH (Certified Ethical Hacker) CCNP (Cisco Certified Network Professional)