Cal Harrison

Cal Harrison

Editorial Director, ISMG

Harrison helps ISMG readers gain new perspectives on the latest cybersecurity trends, research and emerging insights. A 30-year veteran writer and editor, he has served as an award-winning print and online journalist, mass communication professor and senior digital content strategist for DXC Technology, where he led thought leadership, case studies and the Threat Intelligence Report for the Fortune 500 firm's global security, cloud and IT infrastructure practices.


Sophos' Kris Hagerman Steps Down as CEO; Joe Levy Takes Helm

Cal Harrison  •  February 16, 2024

Authorities Bust Accused Seller of Widely Used RAT Malware

Cal Harrison  •  February 9, 2024

Entrust in Talks to Acquire Onfido for AI-Based ID Checks

Cal Harrison  •  February 7, 2024

DOJ Wraps xDedic Dark Web Market Case; 19 Charged Worldwide

Cal Harrison  •  January 5, 2024

Cybersecurity Trends to Watch in 2024

Anna Delaney , Cal Harrison  •  January 1, 2024

Microsoft CISO, Deputy CISO Reassigned in Management Shakeup

Cal Harrison  •  December 7, 2023

Cyber Fail: More Bumbling Cybercrooks, Avoidable Breaches

Anna Delaney , Cal Harrison  •  September 28, 2023

Japanese Port Reopens After Russian Ransomware Group Attack

Cal Harrison  •  July 6, 2023

Poorly Set Server, Human Error Blamed for DC Health Breach

Cal Harrison  •  April 19, 2023

Lawmakers Weigh Laws Proposed in Biden's Cyber Strategy

Cal Harrison  •  March 23, 2023

CISA Alert: 4-Year-Old Software Bug Exploited at US Agency

Cal Harrison  •  March 15, 2023

10 Belt-Tightening Tips for CISOs to Weather the Downturn

Anna Delaney , Cal Harrison  •  February 28, 2023

Ransomware Hit on ION Group Delays EU Derivatives Trades

Cal Harrison  •  February 1, 2023

Facebook, Instagram Blasted for 'Lame' Security Practices

Anna Delaney , Cal Harrison  •  January 26, 2023

Leaked Emails of 200M Twitter Users Now Available for Free

Cal Harrison  •  January 4, 2023

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