Cyrus Blake Winslow
Federal Criminal Defense Attorney

Uncompromising Advocacy.

Attorney Cyrus Blake Winslow defends high-net-worth individuals and corporations against complex federal indictments, grand jury investigations, and asset forfeiture proceedings.

Digital Asset Law

Navigating Crypto Scrutiny.

Mr. Winslow provides formidable defense against SEC and CFTC enforcement actions, DeFi regulatory breaches, and complex blockchain forensic challenges.

Pre-Indictment Strategy

Absolute Discretion.

Mr. Winslow deploys pre-indictment intervention strategies designed to resolve allegations quietly - protecting your freedom, your assets, and your reputation before charges are ever filed.

Mr. Winslow provides defense against investigations by

DOJ
SEC
CFTC
IRS-CI
INTERPOL

Mr. Winslow has been recognized in leading financial and legal publications

THE WALL STREET JOURNAL.

Bloomberg

FINANCIAL TIMES

Forbes

Practice Areas

Mr. Winslow's Areas of Practice

Mr. Winslow brings two decades of federal prosecutorial and defense experience to every case he accepts.

01

Cryptocurrency & DeFi Fraud

Defending founders, developers, and exchanges against allegations of wire fraud, unregistered securities offerings (ICOs/IEOs), smart contract manipulation, and OFAC sanctions evasion.

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02

Federal Securities Fraud

Defending executives, fund managers, and corporations against SEC and DOJ allegations of insider trading, market manipulation, Ponzi schemes, and fraudulent offerings.

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03

Bank Fraud & Money Laundering

Aggressive defense against wire fraud, bank fraud, structuring, and BSA/AML violations. Mr. Winslow has successfully dismantled multi-count federal indictments at the pre-trial stage.

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04

Asset Forfeiture Defense

Challenging civil and criminal asset forfeiture actions by the DOJ, IRS, and FinCEN. Mr. Winslow has recovered hundreds of millions in frozen and seized assets for clients worldwide.

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Methodology

The Winslow Defense Architecture

A battle-tested, four-phase approach Mr. Winslow has refined over two decades of federal criminal defense practice.

I

Rapid Intervention

Immediate engagement with prosecuting agencies upon receipt of subpoena or target letter to freeze escalation.

II

Shadow Forensics

Deployment of our in-house ex-government forensic accountants and blockchain analysts to mirror the state's investigation.

III

Pre-Trial Disruption

Aggressive motion practice to suppress evidence, challenge jurisdiction, and dismantle the prosecution's narrative.

IV

Quiet Resolution

Achieving declinations to prosecute, civil settlements in lieu of criminal charges, or full acquittals at trial.

$0B+

Assets Protected

0+

Indictments Avoided

0

Years Combined Exp.

0/7

Crisis Availability

Track Record

Mr. Winslow's Case Results

A selection of representative outcomes from Mr. Winslow's practice. Past results do not guarantee future outcomes.

$400M Crypto Fraud Inquiry

Southern District of New York

Allegation: DOJ target letter issued to DeFi protocol founder regarding wire fraud and unregistered securities.

Result: After extensive forensic presentation, no charges filed. Case closed.

Federal Bank Fraud

Central District of California

Allegation: Corporate executive indicted on 14 counts of bank fraud and money laundering.

Result: Pre-trial motions led to all felony counts dismissed prior to jury selection.

Insider Trading Defense

SEC Enforcement Division

Allegation: Hedge fund manager accused of trading on non-public material information.

Result: Successfully argued independent mosaic theory. Investigation terminated without action.

Why Retain Mr. Winslow

The Defense Your
Case Demands.

Federal financial crime prosecutions are among the most complex and consequential legal battles a person can face. The government has unlimited resources, experienced prosecutors, and forensic specialists. You need a team that matches — and exceeds — that capability at every level.

Former Federal Prosecutor

Mr. Winslow spent over a decade as a federal prosecutor at the DOJ. He knows every tactic, every shortcut, and every weakness in the federal playbook because he used them.

Blockchain-Native Defense

Mr. Winslow does not outsource digital asset analysis. His in-house blockchain forensics capability has dismantled government evidence in federal court on multiple occasions.

Pre-Indictment Intervention

The majority of Mr. Winslow victories happen before a single charge is filed. Early engagement is the single most powerful tool in financial crime defense.

Absolute Confidentiality

Every matter is handled with the highest level of personal discretion. Your privacy, your reputation, and your freedom are his non-negotiable priorities.

Attorney-Client Privilege

Every communication is legally protected from the moment you contact Mr. Winslow, before any retainer is signed.

Zero Public Exposure

Mr. Winslow resolves the vast majority of matters quietly, without press, without public filings, without damage to your reputation.

24-Hour Response

Financial investigations do not wait for business hours. Mr. Winslow is reachable at any hour for urgent matters.

Direct Partner Access

Every client speaks directly with Mr. Winslow. Your case is never delegated to junior associates.

Global Reach

Mr. Winslow coordinates defense across jurisdictions including U.S. federal courts, international regulatory bodies, and offshore proceedings.

Encrypted Communications

All digital communications are conducted through end-to-end encrypted channels. Your strategy stays private.

Leadership

Cyrus Blake Winslow & Associates

Managing Partner

James Harrington

Founding Partner

Former Assistant U.S. Attorney (SDNY) Securities and Commodities Fraud Task Force. Recognized expert in defending blockchain entities.

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Senior Partner

Elena Vasquez

Senior Partner

Former SEC Enforcement Division Counsel. Specializes in complex corporate fraud, internal investigations, and white-collar defense.

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Partner

Marcus Webb

Partner - Forensics

Dual-credentialed Attorney and CPA. Leads the firm's tactical response to IRS Criminal Investigations and offshore asset seizures.

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Cyrus Blake Winslow
Cyrus Blake Winslow in Court
Cyrus Blake Winslow at Office
Managing Attorney

Cyrus Blake

Winslow

J.D. Harvard Law Former DOJ Prosecutor 20+ Years Experience

Cyrus Blake Winslow is one of the most sought-after financial crime defense attorneys in the United States. A former Assistant U.S. Attorney in the Southern District of New York, Mr. Winslow led the Securities and Commodities Fraud Task Force before entering private practice.

Over two decades, he has successfully defended founders, executives, hedge fund managers, and corporations against the most serious federal financial crime allegations. His unique combination of prosecutorial experience, blockchain forensics expertise, and courtroom mastery has produced outcomes that other attorneys consider impossible.

Bar Admissions

New York, D.C., Federal Courts

Education

J.D. Harvard Law, B.A. Yale

Former Position

AUSA, SDNY Task Force

Recognition

Super Lawyers, Best Lawyers

Frequently Asked Questions

What Clients Ask Mr. Winslow

Do not contact the investigating agent or discuss the matter with colleagues. A target letter indicates prosecutors believe they have substantial evidence linking you to a crime. Retain specialized counsel immediately to interface with the DOJ on your behalf.
We deploy an integrated defense using in-house blockchain analysts alongside former federal prosecutors. We aggressively challenge the SEC's application of the Howey Test to digital assets and conduct proprietary on-chain forensics to counter government claims.
Yes. All communications initiated through our secure web portal or priority WhatsApp line are strictly confidential and protected under attorney-client privilege, even before a formal retainer agreement is signed.

Secure Intake

Speak Directly With Mr. Winslow

In federal investigations, hours determine outcomes. Contact the Law Offices of Cyrus Blake Winslow through our encrypted portal or 24/7 priority line for immediate intervention.

Confidential Client Intake

Reviewed personally by Mr. Winslow within 24 hours.

Submit your matter for a private, privileged consultation. Mr. Winslow personally reviews every intake and responds within 24 hours.

Fastest Response

Priority Encrypted Line

Bypass standard intake. Connect directly with the duty partner via end-to-end encrypted WhatsApp for immediate crisis response.

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24/7 Voice Line

+1 (800) 555-0199