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I'm trying to wrap my head around how bluez works and usage of it.

But I'm really struggling to find good documentation for it.

What are the best bluez resources that you have bookmarked?

Organizations using Microsoft's Defender for Endpoint will now be able to isolate Linux devices from their networks to stop miscreants from remotely connecting to them. The Register reports: The device isolation capability is in public preview and mirrors what the product already does for Windows systems. "Some attack scenarios may require you to isolate a device from the network," Microsoft wrote in a blog post. "This action can help prevent the attacker from controlling the compromised device and performing further activities such as data exfiltration and lateral movement. Just like in Windows devices, this device isolation feature." Intruders won't be able to connect to the device or run operations like assuming unauthorized control of the system or stealing sensitive data, Microsoft claims. According to the vendor, when the device is isolated, it is limited in the processes and web destinations that are allowed. That means if they're behind a full VPN tunnel, they won't be able to reach Microsoft's Defender for Endpoint cloud services. Microsoft recommends that enterprises use a split-tunneling VPN for cloud-based traffic for both Defender for Endpoint and Defender Antivirus. Once the situation that caused the isolation is cleared up, organizations will be able to reconnect the device to the network. Isolating the system is done via APIs. Users can get to the device page of the Linux systems through the Microsoft 365 Defender portal, where they will see an "Isolate Device" tab in the upper right among other response actions. Microsoft has outlined the APIs for both isolating the device and releasing it from lock down.

Read more of this story at Slashdot.

Published at LXer:

Not complete yet, but getting closer to welcoming Mac migrants and systemd scorners. After almost a year, version 0.8 of the helloSystem is here: an easy-to-use graphical distribution based on FreeBSD 13.1 aiming to offer a different way forward for people looking to leave Apple's macOS � or contemporary Linux.�

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Two venture investors have launched an index to track the most popular open-source security projects. Learn more here.

The post Open-Source Security Index Lists Top Projects appeared first on Linux Today.

Not complete yet, but getting closer to welcoming Mac migrants and systemd scorners. After almost a year, version 0.8 of the helloSystem is here: an easy-to-use graphical distribution based on FreeBSD 13.1 aiming to offer a different way forward for people looking to leave Apple's macOS – or contemporary Linux.…

when calling open() for writing with flag O_WRONLY set, and all flags O_CREAT, O_EXCL, and O_TRUNC not set, what is the behavior of the first write() call. what will be seen as happening to the file if it is written to without truncating?

unfortunately, the man pages tend to describe flag behavior when set, but do not describe the effect when not set, or the behavior of combinations with other flags.