John Walker

Visiting Professor at the School of Science & Technology - Nottingham Trent University

Better Late Than Never
Blog27 November 2015
Happy Halloween - Putting the Genie Back Into the Bottle
Blog30 October 2015
The Titan Pain of Dim Sum
Blog23 October 2015
Sheep vs Cyber-Insurance
Blog19 October 2015
Experian: It’s Our Data So We Must Demand MORE
Blog12 October 2015
Only Consultant Surgeons Need Apply
Blog2 October 2015
Keeping It Classy When It Comes To Data Security
Blog9 September 2015
Cyber Threat Intelligence – No Longer Just a Nice To Have
Blog24 August 2015
Cybersecurity in the Modern Age – Get with the 2020 Program
Blog14 August 2015

What’s Hot on Infosecurity Magazine?

Single Prompt Enables ChatGPT to Execute Full Cyber-Attack Chain, Researchers Claim

News16 July 2026

Compromised Logins Surge as the Most Common Entry Point for Ransomware Attacks

News15 July 2026

JadePuffer Returns With Ransomware Designed to Wipe AI Models

News20 July 2026

New HollowGraph Malware Hijacks Microsoft 365 Calendars for Covert C2 Communications

News20 July 2026

CISA Mandates Urgent Patch for Actively Exploited Critical Fortinet Vulnerabilities

News17 July 2026

Modular macOS Stealer Uses Kill Loops to Force Password Entry

News16 July 2026

Cybersecurity’s Economics Are Broken. Automation Alone Won’t Fix It

Opinion17 July 2026

Compromised Logins Surge as the Most Common Entry Point for Ransomware Attacks

News15 July 2026

Single Prompt Enables ChatGPT to Execute Full Cyber-Attack Chain, Researchers Claim

News16 July 2026

US: Pentagon Suspends CMMC Phase II Requirements for Defense Contractors

News14 July 2026

Novel OAuth Client ID Spoofing Technique Targets Cloud Environments

News13 July 2026

New AI Security Charter Backed by Over 70 Cyber Firms

News9 July 2026

68% of Businesses Say Employees Are Their Biggest Cyber Threat. Now What?

Webinar15:00 — 16:00, 16 July 2026

How to Manage Enterprise Cyber Resilience in the Age of AI

Webinar11:00 — 12:00, 21 May 2026

Financial Services Cyber Resilience: Stress Testing Third Parties Before Attackers Do

Webinar15:00 — 16:00, 30 April 2026

Why Resilience‑Focused Cloud Design Is Your Best Defense Against Modern Attacks

Webinar18:00 — 19:00, 9 April 2026

How To Enhance Security Operations with AI-Powered Defenses

Webinar15:00 — 16:00, 26 February 2026

Behind the Curtain of Microsoft 365 Cybersecurity: Lessons from Overlooked Resilience Gaps

Webinar15:00 — 16:00, 23 April 2026

How Faster Cyber-Attacks Are Reshaping Enterprise Cybersecurity Strategies

News Feature8 July 2026

Researchers Claim First Fully Agentic Ransomware: JadePuffer

News6 July 2026

AI is Already Powering Cyber-Attacks. Can it Power Cyber Defense?

Opinion3 July 2026

Google Cloud's New CISO Chris Betz on Integrating AI in Cyber Defenses

Interview7 July 2026

How World Cup Password Trends Can Increase Active Directory Risk

Blog23 June 2026

New CISA Guide Helps Agencies Adopt SASE For Zero Trust

News25 June 2026