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Strategic insights on blockchain, AI, security, leadership, and career in an age of disruption.

AI Voice Phishing: Why Your Defenses Face the Wrong Direction
September 04, 2026·7 min read
AI

AI Voice Phishing: Why Your Defenses Face the Wrong Direction

AI voice-cloning has fundamentally reversed phishing attacks—now criminals call employees impersonating trusted leaders, exploiting help desk processes instead of technical vulnerabilities.

Recent Essays

#blockchain security

118 posts

Blockchain Explorers: Your Trusted Guide to Navigating the Chain
July 22, 2024

Blockchain Explorers: Your Trusted Guide to Navigating the Chain

Today, we'll embark on an exciting adventure to uncover the secrets of blockchain explorers—your ultimate companion in navigating the vast and complex blockchain landscape. �

Quantum Resistant Blockchain Security | Enterprise Post-Quantum Cryptography Migration Guide
July 20, 2024Prediction

Quantum Resistant Blockchain Security | Enterprise Post-Quantum Cryptography Migration Guide

Comprehensive enterprise guide to quantum-resistant blockchain security, post-quantum cryptography implementation, and strategic migration planning for quantum computing threats.

Quantum Computing: A Future Threat to Blockchain Security?
July 20, 2024

Quantum Computing: A Future Threat to Blockchain Security?

Get ready to dive into another fascinating topic that has been buzzing around the blockchain sphere: quantum computing and its potential future threat to blockchain! �

51% Attacks: The Achilles' Heel of Blockchain?
July 19, 2024

51% Attacks: The Achilles' Heel of Blockchain?

Time to talk about the dreaded 51% attack! �

51% Attack Prevention | Enterprise Blockchain Security & Emergency Response Guide
July 19, 2024

51% Attack Prevention | Enterprise Blockchain Security & Emergency Response Guide

Comprehensive enterprise guide to 51% attack prevention, detection, and emergency response strategies for blockchain networks and cryptocurrency operations.

Blockchain Security Best Practices | Comprehensive Enterprise Protection & Vulnerability Management Guide
July 18, 2024

Blockchain Security Best Practices | Comprehensive Enterprise Protection & Vulnerability Management Guide

Comprehensive enterprise blockchain security guide covering vulnerability assessment, risk management frameworks, and security best practices for digital asset protection.

Blockchain Security: Protecting Your Assets
July 18, 2024

Blockchain Security: Protecting Your Assets

Today, we're diving deeper into a crucial aspect of blockchain technology: security.

Privacy on the Blockchain: Striking the Right Balance
July 17, 2024Opinion

Privacy on the Blockchain: Striking the Right Balance

Today, we're diving into a fascinating topic that's crucial for both individuals and businesses involved in the blockchain ecosystem: Privacy on the Blockchain.

Smart Contract Security Guide | Enterprise Vulnerability Assessment & Audit Framework
July 06, 2024

Smart Contract Security Guide | Enterprise Vulnerability Assessment & Audit Framework

Comprehensive enterprise guide to smart contract security, vulnerability assessment methodologies, and professional audit frameworks for blockchain business applications.

Wallet Backups: Protecting Your Funds
July 01, 2024

Wallet Backups: Protecting Your Funds

In our ongoing journey to demystify the world of blockchain and digital assets, we've covered the ins and outs of Hierarchical Deterministic (HD) wallets. Now, it's time to talk about a crucial asp...

Hot Wallets vs. Cold Wallets: The Trade-off Between Convenience and Security
June 29, 2024

Hot Wallets vs. Cold Wallets: The Trade-off Between Convenience and Security

Today, I want to share some insights on the age-old debate: hot wallets vs. cold wallets.

Best Practices for Key Management
June 27, 2024

Best Practices for Key Management

In our last post, we delved into the world of key management and why it's crucial for securing your digital assets. Today, we'll be exploring some best practices to help you effectively manage your...

Blog — Blockchain, AI & Leadership Strategy | Jay Schulman