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Phrack #73: Hacker History, Phone Phreaking and Malware’s Turning Point

Retro computer displaying “PHRACK #73” beside a modem, telephone, floppy disks and an open magazine under an amber desk lamp.

Phrack’s issue 73 offers a dose of underground computing history, with selected articles now available free as PDFs in its official archive. The selection includes a Halvar Flake profile, The 2000 SSH1 Exploit That Broke the Internet, and Blueboxing — Myths and Feelings, revisiting the days of modems, BBSes and telephone phreaking.

Another highlight is Mikko Hypponen’s The Proxy That Made No Sense. Through his investigation of the Fizzer malware, he recalls recognising a shift from virus writing for notoriety to infected computers being used to make money—a revealing glimpse into the roots of commercial cybercrime.

For anyone interested in the overlap between retrocomputing and security history, there’s plenty here to explore.

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