This week, AI company Anthropic did something you don’t see every day: they built an AI model and then refused to release it to the public.
The model is called Claude Mythos Preview, and it represents a major leap in what artificial intelligence can do. Specifically, what it can do to software security. Anthropic is calling it the most powerful model they’ve ever built, and the cybersecurity implications are so significant that the Federal Reserve and Treasury Secretary held an emergency meeting with major U.S. bank CEOs to discuss it.
If you’re running a business that depends on technology (and in 2026, that’s every business), this is worth paying attention to.
What Is Mythos Preview?
Mythos Preview is a general-purpose AI model, meaning it can handle a wide range of tasks like coding, reasoning, and analysis. But where it stands apart is cybersecurity. During testing, the model discovered thousands of previously unknown software vulnerabilities, including bugs that have been hiding in critical systems for over two decades.
Think about that for a second. These are flaws that the world’s best human security researchers missed for years. Mythos found them in weeks.
Anthropic launched a program called Project Glasswing to put the model to work on defense. A small group of roughly 40 organizations, including Amazon, Apple, Microsoft, Cisco, CrowdStrike, and Palo Alto Networks, are using it to scan software for weaknesses before attackers can exploit them.
Why Should Business Owners Care?
Here’s the part that matters most: Mythos isn’t going to be the only model with these capabilities for long. Experts estimate that competing AI companies will release models with similar power within 6 to 18 months.
That means the same technology being used to find and fix vulnerabilities today will eventually be available to people who want to exploit them. The balance between attackers and defenders is about to shift. And it’s going to happen fast.
For small and mid-sized businesses, this changes the calculus on cybersecurity. The threats your business will face a year from now will be fundamentally different from the threats you face today. Automated, AI-powered attacks will be faster, smarter, and harder to detect.
What This Means for Your IT Strategy
The businesses that will weather this shift are the ones that aren’t sitting around waiting for a breach to wake them up. Here’s what being proactive actually looks like:
Patch management becomes non-negotiable. When AI can find vulnerabilities in hours instead of months, the window between discovery and exploitation shrinks dramatically. If your systems aren’t being patched regularly and promptly, you’re exposed.
Multi-factor authentication (MFA) everywhere. This has been best practice for years, but it’s about to become survival-level important. Every account, every user, no exceptions.
Continuous monitoring, not annual check-ups. Point-in-time security assessments won’t cut it in a world where new vulnerabilities surface daily. You need ongoing visibility into what’s happening across your environment.
Endpoint protection that actually learns. Traditional antivirus is already outdated. AI-powered threats require AI-informed defense, tools that adapt to new attack patterns in real time.
A managed security partner who stays ahead. This isn’t the kind of challenge most businesses can handle with internal IT alone. You need a partner whose full-time job is keeping up with the threat landscape and making sure your defenses evolve with it.
The Bottom Line
Mythos Preview is a preview of the future. A future where AI dramatically amplifies both the attackers and the defenders. The question for every business owner is simple: which side of that equation are you on?
The window to get ahead of this is still open, but it won’t be forever. Now is the time to make sure your business has the right security foundation, the right tools, and the right partner in place.
Not sure where your business stands? CloudVeo Solutions helps businesses across Michigan build IT environments that are secure, monitored, and ready for what’s next. Let’s talk.


