Get to know

# Dena De Angelo

Content Marketing Manager Dena De Angelo considers herself a marketing "Jane-of-all-Trades," juggling a variety of objectives, whether strategic or tactical in scope. Her positions over the years have allowed her to tap into her strengths as a creative communicator who prefers a hearty brainstorming session over creating a spreadsheet. With over 30 years in Marketing, she has had the opportunity to be part of some very successful teams, managing exciting projects, campaigns, and programs.  
[![linkedin](https://www.paloaltonetworks.com.au/blog/wp-content/themes/panwblog2023/dist/images/linkedin.svg)](https://www.linkedin.com/in/denadeangelo/)

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Blogs by Dena De Angelo  
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Recent Popular

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[![Intercepting the ToolShell Zero-Day Before the Headlines](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2026/01/Unit42-threat-vector-investigates-blog-400x300-ep3-1.png)](https://www.paloaltonetworks.com.au/blog/security-operations/intercepting-the-toolshell-zero-day-before-the-headlines/)

## [Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must-read-articles/?ts=markdown)

### [Intercepting the ToolShell Zero-Day Before the Headlines](https://www.paloaltonetworks.com.au/blog/security-operations/intercepting-the-toolshell-zero-day-before-the-headlines/)

How Unit 42's threat hunters warned customers about Tool Shell before the headlines broke. Discover the power of proactive hunting for zero-day threats.  
Jan 28, 2026  
By [Dena De Angelo](https://www.paloaltonetworks.com/blog/author/ddeangelo/?ts=markdown "Posts by Dena De Angelo")

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[![The Detection Nightmare: Years Pass Without a Move](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2026/01/Unit42-threat-vector-investigates-blog-400x300-ep2-2.png)](https://www.paloaltonetworks.com.au/blog/security-operations/the-detection-nightmare-years-pass-without-a-move/)

## [Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must-read-articles/?ts=markdown), [Product Features](https://www.paloaltonetworks.com/blog/security-operations/category/product-features/?ts=markdown)

### [The Detection Nightmare: Years Pass Without a Move](https://www.paloaltonetworks.com.au/blog/security-operations/the-detection-nightmare-years-pass-without-a-move/)

Patient adversaries hide for months using persistence techniques. Learn how Cortex XDR detects dormant backdoors without overwhelming SOC teams with alerts.  
Jan 22, 2026  
By [Dena De Angelo](https://www.paloaltonetworks.com/blog/author/ddeangelo/?ts=markdown "Posts by Dena De Angelo")

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[![What the Alien Franchise Taught Me About Cybersecurity](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2026/01/AdobeStock_576388241-scaled.jpeg)](https://www.paloaltonetworks.com.au/blog/2026/01/alien-franchise-taught-cybersecurity/)

## [AI and Cybersecurity](https://www.paloaltonetworks.com/blog/security-operations/category/ai-and-cybersecurity/?ts=markdown), [AI Security](https://www.paloaltonetworks.com/blog/category/ai-security/?ts=markdown), [Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must-read-articles/?ts=markdown), [Points of View](https://www.paloaltonetworks.com/blog/category/points-of-view/?ts=markdown)

### [What the Alien Franchise Taught Me About Cybersecurity](https://www.paloaltonetworks.com.au/blog/2026/01/alien-franchise-taught-cybersecurity/)

Ripley's tactics from Alien are your blueprint for SOC transformation to defeat modern threats with AI-driven security, automation and SIEM modernization.  
Jan 22, 2026  
By [Dena De Angelo](https://www.paloaltonetworks.com/blog/author/ddeangelo/?ts=markdown "Posts by Dena De Angelo")

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[![The 3CX Supply Chain Attack: When Trusted Software Turns Malicious](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2026/01/Unit42-threat-vector-investigates-blog-400x300-ep1-1.png)](https://www.paloaltonetworks.com.au/blog/security-operations/the-3cx-supply-chain-attack-when-trusted-software-turns-malicious/)

## [AI and Cybersecurity](https://www.paloaltonetworks.com/blog/security-operations/category/ai-and-cybersecurity/?ts=markdown), [Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must-read-articles/?ts=markdown), [Product Features](https://www.paloaltonetworks.com/blog/security-operations/category/product-features/?ts=markdown)

### [The 3CX Supply Chain Attack: When Trusted Software Turns Malicious](https://www.paloaltonetworks.com.au/blog/security-operations/the-3cx-supply-chain-attack-when-trusted-software-turns-malicious/)

Cortex XDR's AI stopped the 3CX supply chain attack days before the security industry knew it existed. See how behavioral detection caught what signatures missed.  
Jan 15, 2026  
By [Dena De Angelo](https://www.paloaltonetworks.com/blog/author/ddeangelo/?ts=markdown "Posts by Dena De Angelo")

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[![Prioritizing Impact: A Practical Framework for XDR Success](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2025/12/AdobeStock_1669899315-scaled.jpeg)](https://www.paloaltonetworks.com.au/blog/security-operations/prioritizing-impact-a-practical-framework-for-xdr-success/)

## [Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must-read-articles/?ts=markdown), [Product Features](https://www.paloaltonetworks.com/blog/security-operations/category/product-features/?ts=markdown)

### [Prioritizing Impact: A Practical Framework for XDR Success](https://www.paloaltonetworks.com.au/blog/security-operations/prioritizing-impact-a-practical-framework-for-xdr-success/)

Learn practical XDR implementation strategies from security experts. Reduce alert fatigue, expand beyond EDR, and measure real security impact with proven frameworks.  
Dec 04, 2025  
By [Dena De Angelo](https://www.paloaltonetworks.com/blog/author/ddeangelo/?ts=markdown "Posts by Dena De Angelo")

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Blogs by Dena De Angelo  
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Popular Recent

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[![AI in OT Security — Balancing Industrial Innovation and Cyber Risk](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2024/08/20_cortex_AI-blog_dark-side_paid_social_800x600-Op2-img-only.png)](https://www.paloaltonetworks.com.au/blog/2024/08/ai-in-ot-security/)

## [Company \& Culture](https://www.paloaltonetworks.com/blog/category/company-culture/?ts=markdown), [Points of View](https://www.paloaltonetworks.com/blog/category/points-of-view/?ts=markdown)

### [AI in OT Security --- Balancing Industrial Innovation and Cyber Risk](https://www.paloaltonetworks.com.au/blog/2024/08/ai-in-ot-security/)

Interview with Del Rodillas, who navigates the landscape of the OT-IT convergence and cybersecurity challenges in the manufacturing and industrial sectors.  
Aug 21, 2024  
By [Dena De Angelo](https://www.paloaltonetworks.com/blog/author/ddeangelo/?ts=markdown "Posts by Dena De Angelo")

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[![Security Operations Under Fire Inside Black Hat's NOC](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2025/09/cortex_beyond-the-code_ep-7_blog-image_400x300-2.jpg)](https://www.paloaltonetworks.com.au/blog/2025/09/security-operations-inside-black-hats-noc/)

## [Events](https://www.paloaltonetworks.com/blog/category/events/?ts=markdown), [Security Platform](https://www.paloaltonetworks.com/blog/category/security-platform/?ts=markdown)

### [Security Operations Under Fire Inside Black Hat's NOC](https://www.paloaltonetworks.com.au/blog/2025/09/security-operations-inside-black-hats-noc/)

Palo Alto Networks secures Black Hat's NOC, managing billions of threat events with AI-driven automation, multivendor integration and rapid crisis response.  
Sep 09, 2025  
By [Dena De Angelo](https://www.paloaltonetworks.com/blog/author/ddeangelo/?ts=markdown "Posts by Dena De Angelo")

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[![Security by Design — UX and AI in Modern Cybersecurity](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2025/07/cortex_beyond-the-code_ep-3_blog-image_400x300-1.jpg)](https://www.paloaltonetworks.com.au/blog/2025/07/security-by-design-ux-ai-modern-cybersecurity/)

## [AI Security](https://www.paloaltonetworks.com/blog/category/ai-security/?ts=markdown), [Interview](https://www.paloaltonetworks.com/blog/category/interview/?ts=markdown)

### [Security by Design --- UX and AI in Modern Cybersecurity](https://www.paloaltonetworks.com.au/blog/2025/07/security-by-design-ux-ai-modern-cybersecurity/)

Nelson Lee reveals how thoughtful design and emerging AI technologies are reshaping cybersecurity operations from the ground up.  
Jul 24, 2025  
By [Dena De Angelo](https://www.paloaltonetworks.com/blog/author/ddeangelo/?ts=markdown "Posts by Dena De Angelo")

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[![Global Reach — The New Scale of Chinese Cyberthreats](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2025/06/cortex_beyond-the-code_ep-2_blog-image_400x300-3.jpg)](https://www.paloaltonetworks.com.au/blog/2025/06/new-scale-chinese-cyberthreats/)

## [AI Security](https://www.paloaltonetworks.com/blog/category/ai-security/?ts=markdown), [Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must-read-articles/?ts=markdown), [News and Events](https://www.paloaltonetworks.com/blog/security-operations/category/news-and-events/?ts=markdown), [Points of View](https://www.paloaltonetworks.com/blog/category/points-of-view/?ts=markdown)

### [Global Reach --- The New Scale of Chinese Cyberthreats](https://www.paloaltonetworks.com.au/blog/2025/06/new-scale-chinese-cyberthreats/)

David Moulton and Wendi Whitmore of Palo Alto Networks, put today's threat landscape in stark historical perspective as they discuss Chinese cyberthreats.  
Jun 26, 2025  
By [Dena De Angelo](https://www.paloaltonetworks.com/blog/author/ddeangelo/?ts=markdown "Posts by Dena De Angelo")

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[![Banking on AI to Defend the Financial Services Sector](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2024/10/word-image-331128-1.png)](https://www.paloaltonetworks.com.au/blog/2024/10/banking-on-ai-to-defend-the-financial-services-sector/)

## [AI Governance](https://www.paloaltonetworks.com/blog/category/ai-governance/?ts=markdown), [AI Security](https://www.paloaltonetworks.com/blog/category/ai-security/?ts=markdown)

### [Banking on AI to Defend the Financial Services Sector](https://www.paloaltonetworks.com.au/blog/2024/10/banking-on-ai-to-defend-the-financial-services-sector/)

Discover how financial institutions leverage AI to combat cyberthreats, enhance fraud detection, and streamline operations. Learn about FinTech security.  
Oct 31, 2024  
By [Dena De Angelo](https://www.paloaltonetworks.com/blog/author/ddeangelo/?ts=markdown "Posts by Dena De Angelo")

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