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A Quick Rundown of Big Tech’s Showdown with Congress
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CEOS of four of the biggest companies in tech, including Apple’s Tim Cook, recently appeared before Congress to answer questions about their business practices. Here’s a roundup of the coverage.
Expiration dates for computer drives? That’s what a line of HP solid-state drives are facing as the variable for their uptime counter is running out. When it does, the drive “expires” and, well, no more data storage for you! There are a series of stages in the evolution of a software developer as they master their art, and one of those stages comes in understanding that while they may have a handle on the abstracted world presented by their development environment they perhaps haven’t considered the moments in which the real computer that lives behind it intrudes. Think of the first time you saw an SQL injection attack on a website, for example, or the moment you realised that a variable type is linked to the physical constraints of the number of memory locations it has reserved for it. So people who write software surround themselves with an armoury of things they watch out for as they code, and thus endeavour to produce software less likely to break. Firmly in that arena is the size...
PixMob units are wearable LED devices intended for crowds of attendees at events like concerts. These devices allow synchronized LED effects throughout the crowd. [yeokm1] did a teardown of one obtained from a preview for the 2019 Singapore National Day Parade (NDP), and in the process learned about the devices and their infrastructure. Suspected IR emitter for the PixMob units, mounted on a lighting tower (marked here in white). PixMob hardware has been known to change over time. This version has two RGB LEDs (an earlier version had only one), an unmarked EEPROM, an unmarked microcontroller (suspected to be the Abov MC81F4104), and an IR receiver module. Two CR1632 coin cells in series power the device. [yeokm1] has made the schematic and other source files available on the teardown’s GitHub repository for anyone interested in a closer look. One interesting thing that [yeokm1] discovered during the event was the apparent source of the infrared emitter controlling the devices. Know...
To better understand modern malware detection methods, it’s a good idea to look at sandboxes. In cybersecurity, the use of sandboxes has gained a lot of traction over the last decade or so. With the plethora of new malware coming our way every day, security researchers needed something to test new programs without investing too much of their precious time. Sandboxes provide ideal, secluded environments to screen certain malware types without giving that malware a chance to spread. Based on the observed behavior, the samples can then be classified as harmless, malicious, or “needs a closer look.” Running programs in such a secluded environment is referred to as sandboxing and the environment the samples are allowed to run in are called sandboxes. Definition of sandboxing Let’s start with a definition so we know what we are talking about. There are many definitions around but I’m partial to this one : “Sandboxing is a software management strategy that isolates applications from cri...
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