Freelance servicecybersecurityretrocomputingpentesting

Vintage protocol security audits

Offer specialized penetration testing for legacy communication systems still in use. Serve government and industrial clients running outdated infrastructure.

Why now

Historical vulnerabilities resurface as critical systems age without modern replacements.

Who for
Legacy system operators
Business model
Consulting engagements
Effort
A few weeks

Organizations maintaining legacy systems lack expertise to assess 1990s-era protocol risks.

Build a consultancy specializing in threat modeling for vintage chat, file transfer, and industrial control protocols.

Defense contractors and utilities would pay for targeted vulnerability assessments.

Start by documenting ICQ-era flaws as lead magnets for engagements.

Risk is limited addressable market and long sales cycles.

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Vintage protocol security audits — Ideas