XZ backdoor - upstream supply chain attack

I wrote a [technical advisory](https://www.bitdefender.com/blog/businessinsights/technical-advisory-xz-upstream-supply-chain-attack/) on the recently discovered backdoor, which is scoring a perfect 10 on the severity scale and was extensively covered in media.

However, thanks to a fortunate set of circumstances, the impact is much less widespread than initially feared. Our analysis of real-world data (telemetry) confirms this hypothesis – major Linux distributions like RHEL, SUSE, and Debian are not affected by this vulnerability, and those operating systems that are vulnerable are very rare.

The operation was …

analysis attack cybersecurity data debian distributions impact linux linux distributions major operating systems real rhel suse systems telemetry thanks vulnerability vulnerable world