Lenny Zeltser Portfolio
Security leader and SANS malware analysis instructor who maintains REMnux, a Linux toolkit for reverse-engineering malicious software, alongside published cheat sheets and writing on malware analysis methodology.
What makes it work
A breakdown of the choices that make this portfolio stand out.
A maintained tool (REMnux) that operationalizes the expertise
REMnux packages malware-analysis tooling into a ready-to-use Linux distribution, turning stated expertise into something other analysts can install and use immediately.
Clear separation between leadership writing and technical writing
The site organizes content into distinct tracks — security leadership and hands-on technical material like malware cheat sheets — so a visitor can immediately find the register they came for.
A named instructor role at a recognized institution
Stating the specific SANS course taught grounds the technical authority in a verifiable, third-party-validated credential rather than a self-assigned expert title.
What Cybersecurity Analysts can take from this
Specific, actionable tips to apply to your own portfolio — no generic advice.
If your expertise could be packaged as a tool others can run themselves, build and maintain it — it is a stronger credential than describing the skill in prose.
Separate your leadership/strategy writing from your hands-on technical writing into distinct sections so each audience finds what they came for quickly.
Name the specific courses or institutions where your expertise has been validated externally, rather than relying on a self-assigned title.
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