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IoT Unravelled Part 2: IP Addresses, Network, Zigbee, Custom Firmware and Soldering

Troy Hunt

Let's drill into all that and then go deeper into custom firmware and soldering too. I can easily block a device from talking to the internet, throttle its connection, see which online services it's communicating with and access a whole host of other information about it. — Dementor ????

Firmware 337
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The Internet of Things is a Complete Mess (and how to Fix it)

Troy Hunt

Almost - there's still that cloud dependency and there's really only 2 ways around that: Control the existing device locally with the original firmware Flash the device with 3rd party firmware that supports local control Let's explore these more starting with the first option because it feels like the most low-friction path.

Internet 358
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Another 0-Day Looms for Many Western Digital Users

Krebs on Security

That update effectively nullified their chances at competing in Pwn2Own, which requires exploits to work against the latest firmware or software supported by the targeted device. A statement published on its support site March 12, 2021 says the company will no longer provide further security updates to the MyCloud OS 3 firmware.

Firmware 359
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Recently disclosed CVE-2020-29583 Zyxel flaw already under opportunistic attack

Security Affairs

Threat actors are attempting to hack Zyxel devices exploiting the recently disclosed vulnerability CVE-2020-29583, security researchers warn. The Taiwanese vendor Zyxel has recently addressed a critical vulnerability in its firmware, tracked as CVE-2020-29583 , related to the presence of a hardcoded undocumented secret account.

Firmware 133
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CosmicStrand: the discovery of a sophisticated UEFI firmware rootkit

SecureList

One of the main draws towards malware nested in such low levels of the operating system is that it is extremely difficult to detect and, in the case of firmware rootkits, will ensure a computer remains in an infected state even if the operating system is reinstalled or the user replaces the machine’s hard drive entirely. Infrastructure.

Firmware 145
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IoT Unravelled Part 3: Security

Troy Hunt

I also looked at custom firmware and soldering and why, to my mind, that was a path I didn't need to go down at this time. Back to the bit about risks impacting data collected by IoT devices and back again to CloudPets, Context Security's piece aligned with my own story about kids' CloudPets messages being left exposed to the internet.

IoT 356
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MoonBounce: the dark side of UEFI firmware

SecureList

At the end of 2021, we were made aware of a UEFI firmware-level compromise through logs from our Firmware Scanner , which has been integrated into Kaspersky products since the beginning of 2019. This one is made up of implants found in the UEFI firmware within the SPI flash, a non-volatile storage external to the hard drive.

Firmware 145