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Open Source Linux
Open Source Linux
Dec 11, 2023 · Information Security

Stealing Keys from Air‑Gapped PCs via Electromagnetic Eavesdropping

Researchers demonstrate a $3,000 electromagnetic detector that can capture encryption keys and other sensitive data from computers that are not connected to any network, revealing a fast, non‑intrusive side‑channel attack that bypasses traditional security measures.

Hardware HackingSide-channel attackair‑gapped security
0 likes · 5 min read
Stealing Keys from Air‑Gapped PCs via Electromagnetic Eavesdropping
21CTO
21CTO
Sep 25, 2021 · Fundamentals

How a 19‑Year‑Old Built a 1200‑Transistor CPU in His Garage

Sam Zeloof, a teenage electronics hobbyist, spent three years hand‑crafting a 1200‑transistor CPU (the Z2) in his garage using homemade equipment and a 10 µm polysilicon gate process, demonstrating that complex chip design can be pursued outside of a clean‑room environment.

CPU designDIY semiconductorHardware Hacking
0 likes · 6 min read
How a 19‑Year‑Old Built a 1200‑Transistor CPU in His Garage
21CTO
21CTO
Apr 17, 2021 · Information Security

Critical WeChat PC 0‑Day, M1 Chip Upgrade & More: Top Tech Security News

This article reports a high‑severity WeChat PC zero‑day, a Chinese engineer’s M1‑chip memory and storage upgrade, Slackware 15.0 Beta release, Google Project Zero’s extended disclosure windows, and the debut of the world’s first officially certified semi‑cyborg, highlighting major tech security and innovation news.

Hardware HackingLinuxM1 Chip
0 likes · 5 min read
Critical WeChat PC 0‑Day, M1 Chip Upgrade & More: Top Tech Security News
Liangxu Linux
Liangxu Linux
Jan 30, 2021 · Operations

How a 16‑Year‑Old Turned a Broken iPhone 7 into an Ubuntu Server

A 16‑year‑old developer repurposed a non‑functional iPhone 7 with a dead NAND chip by installing Ubuntu 20.04 using checkra1n, linux‑sandcastle and custom udev scripts, turning the device into a functional server that offloads load from his main machine.

Hardware HackingLinuxServer
0 likes · 3 min read
How a 16‑Year‑Old Turned a Broken iPhone 7 into an Ubuntu Server
21CTO
21CTO
Feb 27, 2016 · Information Security

Samy Kamkar’s YouTube Hacks: Turning Everyday Gadgets into Security Experiments

Samy Kamkar’s YouTube series “Applied Hacking” showcases a range of inventive security experiments—from toy‑controlled garage doors and 3D‑printed lock‑picking robots to USB keyloggers, drone hijacking, remote‑car exploits, and credit‑card cloning tools—illustrating how everyday devices can be repurposed for hacking.

Hardware HackingIoTSamy Kamkar
0 likes · 9 min read
Samy Kamkar’s YouTube Hacks: Turning Everyday Gadgets into Security Experiments