International SOS, a global provider of health, security, and travel risk management services operating in more than 90 countries, modernized its cybersecurity strategy by replacing legacy VPNs and perimeter-based security with the Zscaler Zero Trust Exchange. The organization sought to improve secure access for its globally distributed workforce while protecting highly sensitive medical, travel, and personal data. It first implemented Zscaler Internet Access (ZIA) to secure internet traffic and defend users against ransomware, malware, phishing, and other web-based threats. It then deployed Zscaler Private Access (ZPA) to eliminate VPNs and provide identity-based, least-privileged access to private applications. The transformation enabled employees to securely connect from any location or

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