XOtavo

From the field

The XOtavo Blog

Plain-language notes on AI visibility, technology owned from the owner's side of the table, security, and the infrastructure behind the businesses we serve.

Security

Fortinet Firewall Owners: Install the October Security Updates Now

Fortinet released critical fixes for FortiGate firewalls and related products, with details coming November 10. Here is what to update and how to lower your risk until you do.

October 26, 2026 · 3 min read
Security

Palo Alto GlobalProtect VPN Flaw Now Used by Ransomware Groups: What to Check

Ransomware groups are using a Palo Alto GlobalProtect VPN flaw that can skip passwords and MFA. Fixes have been out since May. Here is what to check.

October 24, 2026 · 3 min read
Security

Nextcloud Users: Update the Built-in Office App Now (CVE-2026-110447)

A flaw in Nextcloud's built-in office app is under active attack. If you self-host Nextcloud, here is how to check and fix it.

October 24, 2026 · 2 min read
Infrastructure

Nvidia Vera Rubin: A Cable-Free, Warm-Water-Cooled AI Rack

Nvidia's new AI rack drops internal cables and fans and cools with 113°F water. How it works, with a diagram.

October 24, 2026 · 2 min read
Security

ConnectWise Cloud Backup (SkyKick) Incident: What Microsoft 365 Customers Should Check

Stolen credentials for a Microsoft 365 backup app were used to reach customer tenants. If you use ConnectWise Cloud Backup or SkyKick, here is what to check.

October 23, 2026 · 3 min read
Security

SafePay Ransomware: What the New FBI and CISA Warning Means for Your Business

A new FBI and CISA warning says SafePay ransomware gets in through VPNs, firewalls and backup servers, then wipes backups. Here is what to check.

October 23, 2026 · 3 min read
Security

PHP2Shell: What Business Owners Should Do About the New PHP Flaw

Two critical PHP flaws let attackers run code on a web server without a password. Here is who is at risk and what to update.

October 23, 2026 · 3 min read
AI Readiness

AI Is Becoming Part of Your Business Network. Is Your Infrastructure Ready?

AI arrived inside tools you already pay for. The network, security, and identity behind it decide whether it creates value or risk.

September 17, 2026 · 6 min read
AI Visibility

Why AI May Send Customers to Everyone but You

Your website looks perfect. Here is why the customers using AI to find you may never see it.

September 17, 2026 · 6 min read
Owner Advisory

Your Cable Plant Will Outlive the Vendor Who Installs It

You price it once, it lives in your walls longer than the walls do, and the warranty may outlive the company that signed it.

September 17, 2026 · 8 min read