Great Security Cheatsheets (Free)

Lenny Zeltser not only created some great security cheatsheets, he compiled a list of some good reference guides developed by others.

Why should you trust his FREE cheatsheets? Lenny leads a security consulting practice, teaches malware analysis, explores security topics at conferences and in articles, and volunteers as an incident handler at the Internet Storm Center.

So whether you want to learn more about specific security practices or just have a quick reference, you’ll want these cheatsheets.

SANS Audit Checklists

The SANS Audit Advice and Resources* website has a free checklists section:

6 VMWare Settings Every IT Auditor Should Know About

5 Things Every IT Auditor Needs to Know About: SSH Configuration

5 Security Steps for Non-Big Businesses

Lenny Zeltser suggest 5 steps that mid-market organizations can take down the security path:

1. Identify key data flows
2. Understand user interactions
3. Examine the network perimeter
4. Assess the servers and workstations
5. Look at the applications

Attackers Don’t Help Companies, PCI Does

Is PCI still relevant? Some are proclaiming that PCI is irrelevant due to the recent, high-profile breaches. David Mortman disagrees, and I’m on his side.