IT and Information Security Cheat Sheets

As much as we try to be proactive about information security, IT planning, or project management, we get distracted, or procrastinate. These information security cheat sheets, checklists and templates are designed to assist IT professionals in difficult situations, even if they find themselves unprepared.

Writing Tips for IT Professionals

This cheat sheet offers practical tips for IT professionals seeking to improve their writing skills.

Tips for Creating and Managing New IT Products

This cheat sheet offers practical advice for product managers tasked with launching new information technology solutions at startups and enterprises.

Tips for Reverse-Engineering Malicious Code

This cheat sheet outlines tips for reversing malicious Windows executables via static and dynamic code analysis with the help of a debugger and a disassembler.

Tips for Getting the Right IT Job

Practical tips for finding and getting the right job in information technology:


REMnux Usage Tips for Malware Analysis on Linux

Key tools and commands for analyzing malicious software on the REMnux Linux distribution:


Tips for Creating an Information Security Assessment Report

This cheat sheet presents recommendations for creating a strong report as part of an information security assessment project.


Critical Log Review Checklist for Security Incidents

Checklist for reviewing critical logs when responding to a security incident. It can also be used for routine log review, co-authored with Anton Chuvakin:


Cheat Sheet for Analyzing Malicious Documents

Tips and tools for analyzing malicious documents, such as Microsoft Office, RTF and Adobe Acrobat (PDF) files:


Security Architecture Cheat Sheet for Internet Applications

Tips for the initial design and review of a complex Internet application’s security architecture:


Troubleshooting Human Communications

Communication tips for technologists, engineers, and information workers:


Security Incident Survey Cheat Sheet for Server Administrators

Tips for examining a potentially-compromised server to decide whether to escalate for formal incident response:


Initial Security Incident Questionnaire for Responders

The questions the incident handler should consider asking when taking control of a qualified incident:


Network DDoS Incident Response Cheat Sheet

Advice for battling a network DDoS attack on your infrastructure:


Malware Analysis and Reverse-Engineering Cheat Sheet

Shortcuts and tips for analyzing malicious software:


Information Security Assessment RFP Cheat Sheet

Tips for planning, issuing and reviewing RFPs for information security assessments:


How to Suck at Information Security

Common information security mistakes, so you can avoid making them:


Report Template for Threat Intelligence and Incident Response


A report template and framework for for capturing key details related to a large-scale intrusion and documenting them in a comprehensive, well-structured manner.


About the Author

Lenny Zeltser is a seasoned business and tech leader with extensive cybersecurity experience. He builds innovative endpoint defense solutions as VP of Products at Minerva Labs. Beforehand, he was responsible for security product management at NCR Corp. Lenny also trains incident response and digital forensics professionals at SANS Institute. An engaging presenter, he speaks at industry events, writes articles and has co-authored books. Lenny has earned the prestigious GIAC Security Expert designation, has an MBA from MIT Sloan and a Computer Science degree from the University of Pennsylvania.

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