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Was NSA behind Back Door in Juniper Software? | Wired

ID: 5274f810-b224-5b73-bac8-4868e0bcc9cb

STIX ID: report--5274f810-b224-5b73-bac8-4868e0bcc9cb

Feed Name: Security Ledger

Threat Score
88/100

Date Published: 2015-12-23

Date Updated: 2026-04-26

Author: Paul Roberts

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Wired and technical researcher Ralf-Philipp Weinmann reported that a sophisticated backdoor exists in Juniper Networks' ScreenOS (used by NetScreen firewalls) which appears to exploit weaknesses in the Dual_EC pseudo-random number generator and a Juniper VPN configuration error; researchers suggest the NSA may have been indirectly responsible by creating or enabling the weaknesses repurposed by attackers.

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