Venture in Security
Substacknewsletter · by Ross Haleliuk · English
Helping security practitioners, entrepreneurs, investors and executives build the future of cybersecurity
- Audience
- 22K subscribers
- Shown publicly on Substack
- Publishing
- Monthly or less
- 3 posts indexed in the last 90 days
- Last post
- Oct 7, 2026
- 24 days ago
- Likely audience
- Cybersecurity founders
- Inferred from post content
Momentum
#439 on Substack's Technology leaderboard
From daily snapshots of Substack's public figures · how rising is measured
Venture in Security is a Substack newsletter by Ross Haleliuk covering AI in cybersecurity, Cloud adoption and Cyber kill chain. NewsletterFIT indexed 3 posts from it in the last 90 days, most recently on Oct 7, 2026. Shown publicly on Substack: 22K subscribers. It ranks #439 on Substack's Technology leaderboard.
Topics
- AI in cybersecurity
- Cloud adoption
- Cyber kill chain
- Security operations
- Vulnerability management
Recent posts
- Both AI…
- Fighting AI…
- How AI…
- Not all…
- If everyone…
- Many of…
Sponsors detected
No sponsored posts detected in the last 180 days of indexed posts.
Detected automatically from posts marked as sponsored. Detection can miss or misread placements.
See the full picture on Venture in Security
Subscriber momentum over time, every detected sponsor with the source post, companies and people it mentions, guests, and an alert when any of it changes.
Similar newsletters
Ranked by how many topics they share with Venture in Security.
- Packt Cyber_AI8K subscribers
SubstackEvery two weeks · last post 24 days ago
Likely audience: Security engineers
2 shared topics
- Decoded Security1K subscribers
SubstackEvery two weeks · last post 16 days ago
Likely audience: Security analysts
2 shared topics
- Packt SecPro 85K subscribers
SubstackWeekly · last post 22 days ago
Likely audience: CISOs
1 shared topic
- Resilient Cyber22K subscribers
SubstackSeveral times a week · last post 17 days ago
Likely audience: Cybersecurity leaders
1 shared topic
- Frankly Speaking5K subscribers
SubstackEvery two weeks · last post 30 days ago
Likely audience: CTOs
1 shared topic
- Calif Newsletter4K subscribers
SubstackEvery two weeks · last post 50 days ago
Likely audience: Cybersecurity professionals
1 shared topic
- Cybersecurity & Business3K subscribers
SubstackMonthly or less · last post 50 days ago
Likely audience: Venture capitalists
1 shared topic
- Founder Catalyst1K subscribers
SubstackMonthly or less · last post 58 days ago
Likely audience: CTOs
1 shared topic
Compiled from public pages · refreshed Oct 16, 2026 · How NewsletterFIT collects and labels data
