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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

#enterprise security

62 posts

Cryptocurrency Exchange Hacked? Your Emergency Response Plan
January 20, 2025

Cryptocurrency Exchange Hacked? Your Emergency Response Plan

Step-by-step emergency response plan for cryptocurrency exchange hacks. Learn immediate actions, forensic procedures, and recovery strategies from security experts.

Zero Knowledge Proofs History: From Theory to Enterprise Applications | Privacy Technology Evolution
October 11, 2024Opinion

Zero Knowledge Proofs History: From Theory to Enterprise Applications | Privacy Technology Evolution

Complete history of zero knowledge proofs from 1985 theoretical foundations to modern enterprise applications - evolution from academic research to business-critical privacy technology for regulatory compliance and competitive advantage.

Zero Knowledge Proofs Explained | Enterprise Privacy Technology Guide | Advanced Blockchain Solutions
October 10, 2024Opinion

Zero Knowledge Proofs Explained | Enterprise Privacy Technology Guide | Advanced Blockchain Solutions

Comprehensive guide to zero knowledge proofs explained for enterprises - revolutionary cryptographic technology enabling privacy-preserving verification, regulatory compliance, and secure business processes without revealing sensitive data.

Zero-Knowledge Proofs: Proving Knowledge Without Revealing It | Enterprise Privacy Technology Guide
October 10, 2024Opinion

Zero-Knowledge Proofs: Proving Knowledge Without Revealing It | Enterprise Privacy Technology Guide

Comprehensive guide to zero-knowledge proofs - revolutionary cryptographic technology enabling privacy-preserving verification for enterprise blockchain applications, compliance, and secure business processes.

DeFi Security Risks | Enterprise Risk Assessment & Vulnerability Management Guide
September 12, 2024

DeFi Security Risks | Enterprise Risk Assessment & Vulnerability Management Guide

Comprehensive enterprise guide to DeFi security risks including volatility, smart contract vulnerabilities, and regulatory uncertainty. Expert risk assessment framework for business leaders.

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.

Key Management: Securing Your Digital Kingdom
June 26, 2024

Key Management: Securing Your Digital Kingdom

In our last post, we took a deep dive into the world of secure key generation. Today, we're going to take the next step and explore the crucial topic of key management.

Top Blockchain News for Sep 17, 2023
September 17, 2023

Top Blockchain News for Sep 17, 2023

Explore the latest in blockchain news: delve into Binance.US's regulatory woes and staff departures, and uncover the CoinEx hack by North Korea's Lazarus Group, highlighting industry risks and challenges.

Disrupt Patching
May 26, 2017Opinion

Disrupt Patching

Patching shouldn’t be so hard.

Project: Free SSL Certificate
January 18, 2016

Project: Free SSL Certificate

Unlock the power of SSL certificates with this comprehensive guide to obtaining a free, open-source SSL certificate using Let's Encrypt. Learn foundational Linux skills, cloud server setup, and boost your cybersecurity expertise with this impactful project.

How To Move From Development to Security
December 21, 2015

How To Move From Development to Security

Discover how developers can transition into the thriving field of application security with this guide. Learn essential skills, explore the OWASP Top 10, and find resources to enhance your security mindset.

Why We Will Never Secure The Internet of Things
December 16, 2015Opinion

Why We Will Never Secure The Internet of Things

Explore why securing the Internet of Things (IoT) remains elusive, as most devices, made by unknown manufacturers, lack security measures. Discover the need for universal security standards.

Blog — Blockchain, AI & Leadership Strategy | Jay Schulman