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offensive security
Use proactive security strategies to prevent vulnerabilities in your systems and follow actionable tips from infosec pros.
cPanel - The valid, the suspect, and the 3rd party (Part 1)
Ever wondered what you can still do with 25-year-old code in a modern hosting environment? PTT-2025-021 was quite the journey! Unpack this (potentially Remote) Code Execution vulnerability we discovered and disclosed, which lets you bypass restricted environments like cPanel's jailshell. In part 1 of 3, we break down how an unsafe Perl "open" function became our ticket to a executing arbitrary system commands - and how the exploit works.
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What the experts say: Machine learning in offensive security
In this third installment, we stop talking and start listening. We asked seasoned offensive security professionals how they actually use machine learning in the field. Their verdict? ML works, when it’s focused. From spotting phishing entry points to flagging suspicious authentication patterns, the value is real. But it’s not magic. Used blindly, it adds noise. Used wisely, it accelerates analysts.
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How to detect VMware vCenter RCE with Pentest-Tools.com (CVE-2021-21972)
The current, multi-layer setup big organizations run on is a challenge to manage and we both know that (it’s an understatement). And when a vulnerability like CVE-2021-21972 pops up, it reveals how messy the process of patching and mitigation can be.
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Discover how dangerous a ‘Bad Neighbor’ can be - TCP/IP Vulnerability (CVE-2020-16898)
Patching is never easy, but doing it imperfectly can come back to bite you. That’s why today we’re unpacking a vulnerability that can resurface when improperly mitigated.
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