Cyber security

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CompTIA Linux+ Preparation Series: Linux Security Features

Introduction Linux is a UNIX-like computer operating system developed and distributed under the free and open source software concept. The defining component of any Linux system is the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux systems are widely used in many industries, from personal computers (PCs) …

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CISSP vs CASP+ Which certification is better for you?

Cybersecurity professionals are in high demand in today’s job market. Many candidates try to stand out by obtaining a cybersecurity certification in order to meet the demands of the workforce. Advanced level certifications include the ISC CISSP and CompTIA CASP+. While they are frequently compared, they have distinct differences in the cybersecurity industry. Many people …

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Pwnkit: Linux security bug that was undetected for 12 years

pkexec, the sudo-like utility present in all major Linux variants, has a 12-year-old weakness that will almost certainly be exploited in the near future. Any unprivileged user may have complete root access after successful exploitation. Polkit’s pkexec function has been revealed to have a CVE-2021-4034 vulnerability, which has a CVSS score of 7.8. Polkit (formerly …

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