Zero Trust is a security model that eliminates implicit trust for any user, device, or network location, requiring continuous verification of every access request. Key drivers include rising cybercrime costs, the shift to remote and cloud-based work, and the risk of insider threats or supply chain compromises (e.g., the 2021 Microsoft Exchange exploit). Implementing Zero Trust involves identifying critical assets, applying least-privilege access, micro-segmenting networks, enforcing MFA and IAM, and continuously monitoring all traffic. Real-world examples show measurable benefits across finance, healthcare, manufacturing, and government sectors.
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