Today, we published Security Advisory 2743314, which provides guidance that will help protect customers from a technique that could allow a man-in-the middle attack to obtain a user’s domain credentials when VPN is configured to use PPTP and MSCHAPv2.
Customers concerned with this...
Provides recommendations for organizations that use MS-CHAP v2/PPTP to implement the Protected Extensible Authentication Protocol (PEAP) in their networks. This mitigates known attacks by encapsulating the MS-CHAP v2 authentication traffic in TLS.
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