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To prevent session hijacking from obfuscated tracking links in chats, enable:

• Link isolation: Open chat links in browser sandboxes or through a secure web gateway.
• Token binding & re-authentication: Tie session cookies to device fingerprints and force MFA if redirected domains change.
• Content inspection: Use advanced link scanners to unwrap shortened URLs before opening.
• Session timeout policies: Auto-expire idle tokens to limit exposure after malicious redirects.

After enabling link scanning, update these governance policies:

• Acceptable Use Policy - Clarify that all shared links are automatically scanned for safety.
• Privacy Policy - Disclose that URLs may be inspected by security tools but not content.
• Incident Response Policy - Define how to handle flagged or blocked URLs and user appeals.
• Data Retention Policy - Set time limits for storing link-scan logs and alert metadata.

• In your Admin or compliance center, find the management settings for meeting transcript recordings and transcripts.
• Establish a retention policy that specifies the time frame of transcript retention (you can choose 90 days or 365 days).
• Enable eDiscovery indexing so transcripts can be searched, while remaining read only, for investigation purposes.
• Configure role-based access so that only members with compliance or legal admin roles can delete or export the transcripts.

After the unbundling update, tighten guest access policies to keep collaboration secure:

• Limit guest scope - Allow access only to specific channels or projects, not org-wide chats.
• Require verification - Enforce MFA or domain-based invitations for all guest users.
• Restrict data actions - Disable file downloads, link previews, and message exports for guests.
• Audit activity - Enable logging and periodic reviews of guest sessions to detect misuse or over-access.

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