What Happened With Claude Mythos
Anthropic launched Claude Mythos Preview in April 2026 as a frontier model designed specifically to support software assurance and cybersecurity testing. Mythos claims frontier-level gains in coding, scientific research, and autonomous security work, and includes extensive safeguards to enable broader access.
As of June 2026, the Project Glasswing program has expanded to over 150 organizations globally. Enterprise capabilities added at general availability include role-based access controls, group spend limits, usage analytics, a Zoom MCP connector, and per-tool connector controls. Business users of Mythos-class models face mandatory 30-day data retention for safety monitoring.
Separately, Anthropic expanded access to India, reflecting aggressive international enterprise growth tied to its forthcoming IPO.
What This Means for Your Buyers
CISOs and heads of security at companies enrolled in Project Glasswing — or evaluating it — are now actively using AI to do things that previously required a vendor: building threat models, identifying attack paths, validating vulnerabilities in isolated environments, and prioritizing remediation queues.
This changes the buying conversation in two specific ways:
The bar for your first meeting has risen. A CISO who is already running Mythos for threat modeling does not need another vendor promising AI-powered detection. They need to understand what you do that Mythos does not, and they need to understand it in the first 90 seconds of a conversation.
The urgency for first contact has increased. Procurement calendars at organizations evaluating Mythos are compressing. Boards are asking for Q3 decisions on the AI security stack. Vendors who are not in the evaluation by July are likely locked out.
How to Position Against a Mythos-Enabled Buyer
Do not position against Mythos. Position around it.
The right frame is: "Mythos identifies the vulnerabilities. We help your team operationalize the response." Or: "Mythos works at the code layer. We work at the network and identity layer where Mythos has no coverage."
The vendors winning evaluation slots right now are the ones who have done the homework before the first call — who know whether the prospect is in Project Glasswing, what their current stack looks like, and what specific gap they are trying to fill.
Use Claude itself (the public API) to research each target account before outreach. Build a one-paragraph brief on their security posture using public information — job postings, LinkedIn content, published security incident disclosures — and lead your outreach with something specific to that account.
The Event That Books These Meetings
Host an invitation-only roundtable for CISOs and heads of security titled something like "What AI Can and Cannot Do in Your Security Operations Center in 2026." Anchor the conversation to Mythos, Daybreak, and the real gaps that remain. You are the convener, not the product pitch. The 8 to 12 people in the room will do the work of positioning your product for you — because the limitations of AI security tools are exactly the gaps you fill.
LinkedOtter by Asaf Katz Advisory runs this play for cybersecurity vendors. We generated 43 qualified meetings in 60 days for B2B clients and put 38 C-level attendees in the room at RSA from 1,266 prospects. Events start from $6,000.