Dev Tools · 1h ago
Windows 95 installer detection relied on keyword matching, not signatures
A developer discovered that Windows 95 identified installer programs by scanning for specific strings like 'setup' and 'install' in filenames and metadata, rather than using cryptographic signatures. This heuristic approach meant any executable containing those keywords could be flagged as an installer. The finding highlights early OS design trade-offs between usability and security.
Meridian48 take
The story underscores how far OS security has come, but also how fragile early trust models were — a reminder that today's systems still inherit some of those legacy assumptions.
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Windows 95 detected installers by looking for magic words and hoping for the best →
The Register
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