how many years a ceh certification is valid
CEH certification is valid for three years and CPEs are required in order to maintain the certification. CISA: CISA is a well known audit certification, most probably the oldest certification in the field of information systems audit.
Certification is achieved by taking the CEH examination after having either attended training at an Accredited Training Center (ATC), or completed through self-study. If a candidate opts for self-study, an application must be filled out and proof submitted of two years of relevant information security work experience.