What Is Kioptrix? A Safe Beginner Lab Guide
Kioptrix is a vulnerable-VM practice series. Start learning: Level 1 setup → seven-session roadmap. Business security: compliance guides.
CMMC Requirements for MSPs Serving Defense Contractors
An MSP serving defense contractors does not automatically need its own CMMC certification. The decisive question is what the MSP actually does with Federal Contract Information (FCI), Controlled Unclassified Information (CUI), and Security Protection Data (SPD), and whether the provider is functioning as an MSP, another type of External Service Provider (ESP), or a Cloud … Read more
Ransomware Tabletop Exercise: 5 Fun Rounds for Small Teams
Run a 30-minute ransomware tabletop exercise with five scenario cards, a cooperative scorecard, and a practical action log for your small team.
Rubber Duck Debugging: 5 Gentle Steps to Get Unstuck
A patient rubber duck, five gentle debugging steps, and a tiny lab mystery: learn to separate facts from guesses without beating yourself up.
Kali Linux AI Pentesting: 7 Checks Before You Pay
Compare local and cloud AI workflows in Kali Linux with professional penetration testing. Seven checks cover data privacy, approvals, total cost, tools, evidence, and retesting.
CMMC Compliance for Subcontractors
If you are a subcontractor on a U.S. defense contract, CMMC does not automatically mean “get Level 2 certified.” The first question is much narrower: Will your subcontract require your systems to process, store, or transmit Federal Contract Information (FCI) or Controlled Unclassified Information (CUI)? If you handle only FCI, the regulatory path is generally … Read more
CMMC Scoping Guide for Small Defense Contractors
For a small defense contractor, CMMC scope is not automatically the entire company. At Level 1, the core boundary is the contractor information systems that process, store, or transmit Federal Contract Information (FCI). At Level 2, the boundary centers on Controlled Unclassified Information (CUI), but it also reaches security systems, certain connected assets, specialized equipment, … Read more
MDR Pricing for Small Businesses: 9 Checks Before You Buy
Compare MDR pricing for small businesses with nine quote checks, three service models, a worked annual budget, and a copyable vendor worksheet.
Atlassian CVE-2026-21589: 7 Urgent Checks for Admins
Respond to Atlassian CVE-2026-21589 with seven practical checks: confirm hosting, inventory instances, prioritize exposure, patch, preserve logs, review secrets, and verify recovery.
CMMC Evidence Collection Checklist
A CMMC evidence package should prove three things: the requirement is implemented, it applies to the systems inside your assessment scope, and the control works in practice. A policy alone rarely proves all three. Strong evidence usually combines documents or configurations that can be examined, people who can explain the process, and system behavior that … Read more
Vulnerability Retesting: 5 Checks to Verify a Fix in Your Lab
Use five practical checks to verify an authorized lab fix, preserve before-and-after evidence, and distinguish remediation from mitigation or an inconclusive scan.