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John Brennan

Partner at YL Ventures

John Brennan, Partner at YL Ventures, specializes in seed-stage cybersecurity investing. Leveraging a deep focus on cybersecurity and his diverse background in venture capital, he takes a hands-on approach to supporting YL Ventures' portfolio companies, especially those in the earlier stages of growth.

Latest from John Brennan

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Cyber Risk
An Inside Look at How CISOs Prioritize Budgets & Evaluate VendorsAn Inside Look at How CISOs Prioritize Budgets & Evaluate Vendors
byJohn Brennan
Sep 4, 2019
5 Min Read

Editor's Choice

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Application Security
Okta Breach Widens to Affect 100% of Customer BaseOkta Breach Widens to Affect 100% of Customer Base
byBecky Bracken, Editor, Dark Reading
Nov 30, 2023
4 Min Read
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Endpoint Security
10 Holiday Gifts for Stressed-Out Security Pros10 Holiday Gifts For Stressed-Out Security Pros
byEricka Chickowski, Contributing Writer
Nov 30, 2023
10 Slides
A row of brown cowboy boots in the su
Endpoint Security
Critical 'LogoFAIL' Bugs Offer Secure Boot Bypass for Millions of PCsCritical 'LogoFAIL' Bugs Offer Secure Boot Bypass for Millions of PCs
byNathan Eddy, Contributing Writer
Dec 1, 2023
4 Min Read
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