Security News > 2025 > January > One of Salt Typhoon's favorite flaws still wide open on 91% of at-risk Exchange Servers
2025-01-23 23:30
But we mean, you've had nearly four years to patch One of the critical security flaws exploited by China's Salt Typhoon to breach US telecom and government networks has had a patch available for nearly four years - yet despite repeated warnings from law enforcement and private-sector security firms, nearly all public-facing Microsoft Exchange Server instances with this vulnerability remain unpatched.…
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https://go.theregister.com/feed/www.theregister.com/2025/01/23/proxylogon_flaw_salt_typhoons_open/