National Australia Bank (NAB), one of Australia’s largest financial institutions, used the Zscaler Zero Trust Exchange to support a major business transformation while maintaining strict data privacy, security, and risk management standards. Facing the challenge of enabling growth and remote work without compromising compliance, NAB rapidly deployed secure remote access for 18,000 users in less than a month. The solution provided the scalability needed to handle banking transaction volumes that surged to three to four times normal levels while ensuring reliable access for employees. By moving away from costly legacy VPN hardware, the bank reduced infrastructure expenses and improved operational flexibility. Zscaler’s zero trust architecture also significantly reduced NAB’s attack surface,

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