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The Perimeter Is Gone: What Claude Mythos Means for Small RIAs and the future of cybersecurity

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Earlier this month, Anthropic announced something that should stop every compliance officer and IT manager at a small RIA cold. Their new model, Claude Mythos Preview, autonomously identified thousands of…

The SEC exam is no longer your biggest problem. The cyber battlefield is.

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I have been doing this work since 2009.

For most of that time, the workload had a predictable shape. Annual SEC Cyber Audits. Compliance docs gap assessments. Corporate intelligence research…

The Betterment Breach : A Case Study in How Modern RIA Breaches Actually Happen.

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The Betterment Breach (January 2026):What Actually Happened — and Why Every RIA Should Be Paying Attention


In early January, Betterment disclosed a cybersecurity incident affecting customer information and communications. Most…

BrainTrust Video: Operationalizing Cybersecurity Governance Under Amended Regulation S-P

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The SEC’s amendments to Regulation S-P represent one of the most significant shifts in cybersecurity expectations for investment advisers in over two decades. While the rule is often described as

How the SEC Expects RIAs to Supervise AI — Today

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Artificial intelligence does not trigger a new regulatory regime — it operates within the one that already exists.

An adviser needs a formal AI governance structure as soon as AI…

You Can’t Prove Cybersecurity Compliance Without Internal Vulnerability Scans

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Let's discuss the internal vulnerability scan — the process regulators expect firms to use to identify cybersecurity risks in systems that handle client data.

Under SEC expectations for investment advisers…

The 206(4)-7 Annual Compliance Review Template and Checklist

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Hi everyone —

If you’re an SEC-registered investment adviser, your Rule 206(4)-7 Annual Review isn’t optional — and the SEC expects it to be more than a once-a-year “checkbox.” 

The…

Practical Takeaways from the SEC’s M Holdings Cybersecurity Case

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MTradecraft has no affiliation with M Holdings.  We both just fancy the 13th letter of the English alphabet.


The SEC actions against M-Holdings are extremely noteworthy so lets jump…

Best Practices for Securing a Microsoft 365 Environment

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Microsoft 365 sits at the center of most advisory and financial firms’ operations. Email, document storage, identity, collaboration, and authentication all converge there—which makes it one of the most critical…

Cufflinks or Handcuffs: Navigating the New Era of Executive Cybersecurity Liability

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For years, cybersecurity was treated as a technical problem—something delegated to IT, managed quietly in the background, and addressed with vague references to “best practices.” I have spent enough time…

Guide to Performing a Cybersecurity Risk and Threat Assessment using Shodan.

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Introduction to the Risk and Threat Assessment.

Most SEC-registered firms believe they have a clear understanding of which systems are exposed to the public internet. In reality, many firms do…

New Guide Posted: How to Execute the Cybersecurity Policies & Procedures Manual

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I’ve posted a new document to The BrainTrust repository:


“An Overview and Introduction to the MTradecraft Cybersecurity Policies & Procedures Manual.” 


This guide is the execution-layer companion to the…

How A Spy Would Conduct a Vendor Due Diligence Analysis for an SEC Registered Firm

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Leveraging Open Source Intelligence (OSINT) to Fortify RIA Vendor Oversight:

In the intelligence world, you never rely solely on what a subject tells you.  

 You validate the story through…

The Future of RIA Operations, IT Infrastructure, and Security...my $0.02.

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Over the past year or two-ish, a powerful convergence of forces has quietly — but decisively — reshaped the risk landscape for every RIA and financial institution.

This shift is…

New Cybersecurity Policies & Procedures Template Released — Fully Updated for the 2024 Regulation S-P Amendments

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A newly revised Cybersecurity Policies & Procedures Template is now available to all members. This update incorporates the 2024 amendments to Regulation S-P (effective August 2, 2024) and aligns the…

The New SEC Regulation S-P Amendments: What Every RIA Needs to Know

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Effective Date: August 2, 2024

Compliance Deadline for Smaller Firms: June 2026

Regulation Applies To: SEC-registered Investment Advisers, Broker-Dealers, Investment Companies, and Transfer Agents

The Full SEC…

Mastering the Cybersecurity Policies and Procedures Manual

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This video walks through how we build a cybersecurity Policies & Procedures Manual that not only satisfies today’s regulatory requirements but also anticipates what’s coming next.

Although Rule 206(4)-9 was…

New Compliance Template Available: The Vendor Due Diligence Questionnaire

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We’ve added a new Vendor Due Diligence & Risk Assessment Questionnaire to help you streamline one of the most critical parts of your cybersecurity compliance program — assessing the firms…

The SEC RIA Incident Response Plan

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New Resource Added: The SEC-Compliant Incident Response Plan Template

We’ve just added a major new resource to your member library — the MTradecraft Incident Response Plan (IRP) Template.

This…