This brief focuses on preventing phishing-based breaches by enforcing device posture validation before granting access to corporate resources. Even when credentials are stolen, Harmony SASE ensures only compliant devices can connect. The solution checks security configurations such as OS updates, antivirus status, encryption, and endpoint health before and during sessions. Combined with identity-based Zero Trust access and MFA, device posture controls significantly reduce the risk of compromised endpoints becoming entry points into the network. By continuously verifying trust, organizations can block phishing-driven account takeovers and prevent unauthorized lateral movement across cloud and on-prem environments.

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