Forcepoint ONE incident
Web Security Cloud: Connectivity issues for Windows users using NTLM authentication
Ongoing since 11:44 AM UTC, affecting Web Security Cloud.
Customer Impact: Some Web Security Cloud customers may find that Windows users can’t reach the internet through the Forcepoint cloud proxy. This affects only users who authenticate with NTLM (NT LAN Manager). macOS users and users on other authentication methods are not affected. Description: We are investigating an issue affecting Windows users who authenticate to the Forcepoint Web Security cloud proxy using NTLM. We are actively working on a fix. Affected customers are requested to reach out to Technical Support for guidance on workaround.
Affected components
Update timeline
- investigating Nov 12, 2026, 11:44 AM UTC
Customer Impact: Some Web Security Cloud customers may find that Windows users can’t reach the internet through the Forcepoint cloud proxy. This affects only users who authenticate with NTLM (NT LAN Manager). macOS users and users on other authentication methods are not affected. Description: We are investigating an issue affecting Windows users who authenticate to the Forcepoint Web Security cloud proxy using NTLM. We are actively working on a fix. Affected customers are requested to reach out to Technical Support for guidance on workaround.
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