Sublime secures Teams Slack SMS

The real upside is not just more channels, it is owning the analyst workflow for every employee message that can carry a scam. Sublime already ingests messages, turns them into structured data, applies rules plus AI models, and lets an agent triage reports and draft detections. That same loop maps naturally from email into chat and SMS, where users still click links, open files, and report suspicious messages, but native defenses are thinner and more fragmented.

• The product architecture is portable. Sublime already parses inbound email into a common data model, runs an SQL-like query language over content and metadata, and uses AI agents for triage and rule creation. Extending that engine to Teams, Slack, Zoom Chat, or SMS is mainly a matter of normalizing new message formats into the same workflow.
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• The market signal is real because large vendors are already moving here. Microsoft now markets Defender for Office 365 as protection for both email and Teams, and has added dedicated Teams protections such as URL and file scanning, user reporting, and hunting insights. That validates buyer demand for communication security beyond inboxes.
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• Multi-channel security also changes the deal shape. Email security is usually bought by the mail team or SOC as a mailbox based control. Once the same platform covers chat and mobile messages, it becomes a broader human layer defense budget, which supports larger platform purchases and makes point email tools easier to consolidate around.
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This is heading toward a single control plane for human targeted attacks across inboxes, chats, and phones. The winners will be the vendors that can turn any message into structured evidence, automate the first pass of investigation, and give security teams one place to write policy and response logic across every communication surface.