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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

#risk management

110 posts

The Benefits of Multi-Signature Transactions
June 22, 2024

The Benefits of Multi-Signature Transactions

In our last post, we took a quick look at multi-signature transactions and how they can boost security and accountability in the world of blockchain. Today, we're gonna dive a little deeper and exp...

Multi-Signature Wallet Security | Enterprise Risk Management & Vulnerability Assessment Guide
June 21, 2024

Multi-Signature Wallet Security | Enterprise Risk Management & Vulnerability Assessment Guide

Comprehensive enterprise guide to multi-signature wallet security, implementation best practices, and vulnerability assessment frameworks for digital asset protection.

Multi-Signature Transactions: Enhancing Security and Accountability in Blockchain
June 21, 2024Opinion

Multi-Signature Transactions: Enhancing Security and Accountability in Blockchain

As a seasoned expert in blockchain technology and digital assets, I've witnessed firsthand the transformative power of multi-signature transactions in bolstering security and fostering trust among ...

Blockchain Mining Difficulty: Enterprise Security and Network Stability Guide
May 22, 2024

Blockchain Mining Difficulty: Enterprise Security and Network Stability Guide

Complete guide to blockchain mining difficulty for enterprises. Understand difficulty adjustment mechanisms, security implications, and business impact of mining economics.

When NFTs can get troublesome
August 01, 2020

When NFTs can get troublesome

Explore the complex world of NFTs with Rug Radio's innovative model, blending art, membership, and potential investments. Discover how NFTs extend beyond digital collectibles.

Click on malware, Raise your hand
November 28, 2017Opinion

Click on malware, Raise your hand

Explore the true nature of cybersecurity threats and discover why viewing hackers as savvy marketers can reshape security training. Learn why encouraging openness about mistakes is crucial for better protection.

Security: We are doomed to repeat it.
November 01, 2017Opinion

Security: We are doomed to repeat it.

Some simple yet secure cipher, easily acquired and easily read, should be introduced, by which means messages might to all intents and…

Disrupt Patching
May 26, 2017Opinion

Disrupt Patching

Patching shouldn’t be so hard.

Jay’s 2017 Information Security Predictions
November 01, 2016Prediction

Jay’s 2017 Information Security Predictions

It’s that time of year when security writers across the globe predict what we can expect from information security in the following year…

10 Minute Call with an IRS Scammer
March 07, 2016

10 Minute Call with an IRS Scammer

9 = 38am on Friday, the phone rings with a call from Tulsa, OK. I’m not sure I know anyone in Tulsa so I let it go to voicemail. Odd, they…

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.

Securing Amazon Web Services
December 14, 2015

Securing Amazon Web Services

Discover a comprehensive guide to securing your Amazon Web Services environment. This blog post compiles essential tips and resources to protect AWS accounts, EC2 instances, S3 buckets, and more.

Blog — Blockchain, AI & Leadership Strategy | Jay Schulman