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Content type: Explainer
29th October 2021
With more and more connected devices around us, the chance that you've been hit by an update notification is high. But what do these software updates do? How do they actually work, and why are they important?
Hardware and Software
Modern electronic devices require two main parts to function: the hardware and the software. The hardware usually refers to physical electronic pieces inside a device (usually a collection of microchips, logic gates and specialised processing chips, such as those to…
Content type: Examples
19th May 2020
Academics have disclosed today a new vulnerability in the Bluetooth wireless protocol, broadly used to interconnect modern devices, such as smartphones, tablets, laptops, and smart IoT devices.
The vulnerability, codenamed BIAS (Bluetooth Impersonation AttackS), impacts the classic version of the Bluetooth protocol, also known as Basic Rate / Enhanced Data Rate, Bluetooth BR/EDR, or just Bluetooth Classic.
The BIAS attack
The BIAS security flaw resides in how devices handle the link key,…
Content type: Examples
1st April 2020
An engineering and computer science professor and his team from The Ohio State University discovered a design flaw in low-powered Bluetooth devices that leaves them susceptible to hacking.
Zhiqiang Lin, associate professor of computer science and engineering at the university, found the commonly used Bluetooth Low Energy devices, such as fitness trackers and smart speakers, are vulnerable when they communicate with their associated apps on the owner’s mobile phone.
"There is a fundamental…
Content type: Examples
1st December 2017
For a period between the end of October and November 3 2016 the heating and hot water systems in two buildings in the city of Lappeenranta, Finland were knocked out by a distributed denial of service attack designed to make the systems fail. The systems responded by repeatedly rebooting the main control circuit, which meant that the heating was never working - at a time when temperatures had already dropped below freezing. Specialists in building maintenance noted that companies often skimp on…