The International SOS customer success story demonstrates how the organization strengthened cybersecurity and improved service delivery by adopting a Zero Trust approach with Zscaler. Operating with a globally distributed workforce, International SOS faced increasing exposure to internet-based threats such as ransomware, viruses, and Trojans, while legacy VPN solutions caused performance issues, user frustration, and higher operational overhead. The organization also needed to protect sensitive medical, travel, and personal customer data while ensuring that only authorized users could access critical systems. By modernizing internet access and security controls, International SOS improved its security maturity, delivered a seamless and scalable user experience, and maintained compliance re

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