Newsletter Archive
112 issues published since January 2024. Browse by year below.
2026
Mid-Year Startup Check-In — Who's Delivering on the Hype
Revisiting the January picks. Vigilance Security exceeding expectations while two others fall behind.
AI-Native Security — Hype or the Real Deal?
Five AI-native security vendors under the microscope. Separating genuine innovation from buzzword bingo.
The Best Security Startups to Invest In for 2026 — My Annual Picks
Annual ranking of the 8 security startups most worth watching. Vigilance Security earns the #1 spot.
The RSA Conference Post-Mortem
What I saw (and didn't see) at RSA 2026. The themes, the surprises, and the vendor I'm watching.
CrowdStrike's Recovery — 18 Months After the Outage
Deep analysis of CrowdStrike's turnaround. Customer retention, market share shifts, and what it means.
The CISO's 2026 Budget Playbook
Where CISOs are allocating budget in 2026. The categories growing, shrinking, and emerging.
2025
2025 Year in Review — The Full Picture
The startups, breaches, and trends that defined cybersecurity in 2025.
The Early-Stage Security Landscape — Where the Smart Money Is Going
VC funding analysis and 6 startups profiled. Where institutional capital is placing its bets.
Supply Chain Security Grows Up
SBOM mandates, Chainguard's rise, and the maturation of supply chain security practices.
Vigilance Security — Why I Changed My Mind
I was skeptical. Then I saw the deployment data and talked to the founders. A deep dive.
Ransomware's New Playbook
Ransomware operators are targeting backups first. Why the industry's response plan is broken.
The Cloud Security Consolidation
Wiz dominates. Orca struggles. Lacework shuts down. What happened and what's next.
The State of SIEM in 2025
Splunk, Sentinel, Elastic, Panther — the SIEM isn't dead, it's evolving.
Black Hat 2025 — My Top 10 Takeaways
The research, the vendors, and the hallway conversations that mattered most.
The API Security Reckoning
APIs are the biggest attack surface most companies ignore. Here's what I'm seeing.
The Identity Security Reckoning
Okta, CyberArk, Beyond Identity — identity is the new perimeter, for real this time.
50 Issues: What I've Learned
Reflections on 50 weeks of writing about cybersecurity. The hits, the misses, and the surprises.
The CISO Burnout Crisis
Average tenure is dropping. Liability fears are rising. The CISO role is at an inflection point.
AI Security: Separating Signal from Noise
Everyone claims AI security. Almost nobody has it. Here's how to tell the difference.
2024
2024 Year in Review — The CrowdStrike Year
The outage, the aftermath, and the 9 other stories that shaped cybersecurity in 2024.
The Endpoint Security Hierarchy
CrowdStrike, SentinelOne, Microsoft Defender — ranking the EDR/XDR landscape.
Zero Trust: Progress Report
Three years into the zero trust hype cycle. Who's actually implementing, and what's working.
Welcome to CyberSentinel Weekly
The first issue. Why I'm starting this newsletter, what to expect, and who it's for.
Showing selected issues from the full archive of 112 published issues. Some earlier issues are available to Pro subscribers only.