A Chief Information Security Officer (CISO) is a senior executive responsible for establishing and maintaining an organization’s information security strategy. In Japan, CISOs play a critical role in protecting companies from cyber threats, ensuring compliance with regulations, and aligning security initiatives with business goals.

They oversee cybersecurity frameworks, manage risk, lead incident response, and coordinate with executives and government regulations specific to Japan.

Working Hours (Japan – CISO)

• Standard office hours: 9:00 AM – 5:30 PM

• Break time: usually 1 hour (lunch)

  • May require:

    • Overtime

    • Emergency response (cyber incidents)

    • Availability outside office hours

  CISOs work:

• 45–60+ hours per week