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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

#decentralization

79 posts

Blockchain: The Trust Machine | Complete Guide to Blockchain Technology
May 01, 2024

Blockchain: The Trust Machine | Complete Guide to Blockchain Technology

Comprehensive guide to blockchain technology and why it's called the 'Trust Machine'. Learn how blockchain creates trust in digital transactions without intermediaries.

Blockchain: The Trust Machine | Complete Guide to Decentralized Ledger Technology
May 01, 2024

Blockchain: The Trust Machine | Complete Guide to Decentralized Ledger Technology

Understand blockchain as the trust machine - a comprehensive guide to decentralized ledger technology that eliminates intermediaries and builds trust through cryptographic proof and distributed consensus.

AI vs. Blockchain: The Balancing Act for an Innovative Internet
April 06, 2024Opinion

AI vs. Blockchain: The Balancing Act for an Innovative Internet

Explore the dynamic interplay between AI and blockchain, where AI centralizes power and blockchain decentralizes it. Discover how balancing these forces is vital for a transparent, innovative internet.

Composability and Diversity
October 17, 2022Opinion

Composability and Diversity

Common thoughts from 1989 and 2022

What is Web3? Part 2
July 02, 2022

What is Web3? Part 2

Dive into the second part of our Web3 series, featuring an insightful explainer video that unpacks the complexities and potential of this revolutionary technology shaping the digital future.

Decentalization and Immutability
June 01, 2020

Decentalization and Immutability

Explore the significance of decentralization and immutability in NFTs, and why the mantra "not your keys, not your coin" emphasizes the need for true ownership and on-chain freedom.

An Argument for the Decentralization of Security
July 29, 2015Opinion

An Argument for the Decentralization of Security

Explore why decentralizing security in corporate mergers can reduce risks. This blog delves into maintaining separate networks, security teams, and PCI environments to minimize vulnerabilities.

Blog — Blockchain, AI & Leadership Strategy | Jay Schulman