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The infection started when a USB flash drive containing malicious code created by a foreign intelligence agency was plugged into a laptop that was attached to United States Central Command. From there it spread undetected to other systems, both classified and unclassified. [1] [2]
A USB-to-serial adapter or simply USB adapter is a type of protocol converter that is used for converting USB data signals to and from serial communications standards (serial ports). Most commonly the USB data signals are converted to either RS-232 , RS-485 , RS-422 , or TTL-level UART serial data.
The USB-C plug A cable with a USB‑C plug, and a USB-C port on a notebook computer. The USB-C connector supersedes all earlier USB connectors and the Mini DisplayPort connector. It is used for all USB protocols and for Thunderbolt (3 and later), DisplayPort (1.2 and later), and others.
This section describes the power distribution model of USB that existed before Power-Delivery (USB-PD). On devices that do not use PD, USB provides up to 4.5 W through Type-A and Type-B connectors, and up to 15 W through USB-C. All pre-PD USB power is provided at 5 V. For a host providing power to devices, USB has a concept of the unit load ...
Data Carrier Detect (DCD) or Carrier Detect (CD) is a control signal present inside an RS-232 serial communications cable that goes between a computer and another device, such as a modem. This signal is a simple "high/low" status bit that is sent from a data communications equipment (DCE) to a data terminal equipment (DTE), i.e., from the modem ...
Computer security compromised by hardware failure is a branch of computer security applied to hardware. The objective of computer security includes protection of information and property from theft, corruption, or natural disaster , while allowing the information and property to remain accessible and productive to its intended users. [ 1 ]
The Linux kernel has supported USB mass-storage devices since version 2.3.47 [3] (2001, backported to kernel 2.2.18 [4]).This support includes quirks and silicon/firmware bug workarounds as well as additional functionality for devices and controllers (vendor-enabled functions such as ATA command pass-through for ATA-USB bridges, used for S.M.A.R.T. or temperature monitoring, controlling the ...
USB 3.2 Gen 2x1 – newly marketed as SuperSpeed USB 10 Gbps (replaces SuperSpeed+ or SS+), [63] 10 Gbit/s signaling rate over 1 lane using 128b/132b encoding (raw data rate: 1212 MB/s); replaces USB 3.1 Gen 2. USB 3.2 Gen 1x2 – new, 10 Gbit/s signaling rate over 2 lanes using 8b/10b encoding (raw data rate: 1000 MB/s).