Cybersecurity Weekly: Hacker reveals black market credit cards, Linux Sudo flaw discovered and more!

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An anonymous hacker reveals 30% of the stolen credit cards on the black market. A Sudo flaw has been discovered that allows all Linux users run commands as root. A cybersecurity blogger experiments with an RDP honeypot. All this, and more, in this week’s edition of Cybersecurity Weekly.

1. When card shops play dirty, consumers win

Last month, an anonymous source announced he had the full database of 26M cards stolen from a carding site known as BriansClub. The stolen database included cards added to the site between mid-2015 and August 2019. Experts estimate the total number of stolen cards leaked from BriansClub represent almost 30% of the cards on the black market today.
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2. Sudo flaw lets Linux users run commands as root even when they’re restricted

A new vulnerability has been discovered in Sudo — one of the most important, powerful, and commonly used utilities in Linux and UNIX-based systems. This vulnerability is a security policy bypass issue that could allow a malicious user to run commands as root even when the configuration explicitly disallows it.
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3. An experiment with RDP honeypotting

As part of a honeypotting experiment, a cybersecurity blogger who goes by the name JW set up a vulnerable Windows machine with a traffic monitor to capture attacking techniques. After several attempted attacks, he wrote a full report on the tools that were used and the information that was targeted.
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