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Microsoft's .Net Framework security updates further effort to phase out RC4 encryption

The company advises customers to stop using the RC4 cipher in TLS connections because of known weaknesses in the algorithm

Microsoft released optional security updates Tuesday for various versions of the .Net Framework that prevent the RC4 encryption algorithm from being used in TLS (Transport Layer Security) connections.
The updates are only available through the Windows Update Catalog and the Microsoft Download Center, not Windows Update, and are part of Microsoft's efforts that began in November to phase out the use of RC4 in TLS. They are in addition to the company's scheduled security patches for Windows, Internet Explorer and Office.

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