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network security firewall management
network security firewall management Linux runs a huge portion of today's infrastructure because it gives administrators an unusual amount of control over the system. That control extends to networking, where almost every aspect of packet flow, routing, filtering, and interface behavior can be customized. The trade-off is that very little of that hardening happens automatically. A fresh installation is usually built to communicate, not to isolate. . As environments grow, servers start exchanging data with monitoring platforms,...
Jul 08, 2026
Security Vulnerabilities security advisory authentication
security advisory authentication We often view OpenSSH security updates through the lens of standard patch management. When a new CVE hits, we scramble to update, check our versions, and return to business as usual. But recent vulnerabilities tied to distribution-added OpenSSH GSSAPI patches are a reminder that the danger doesn't always lie in the core code; it often resides in the "convenience" features we layer on top. . These recent issues shouldn't just trigger an apt upgrade or dnf update; they should trigger a...
Jul 06, 2026
Security Trends privilege escalation Linux security
privilege escalation Linux security Linux security teams are drowning. Patches, kernel updates, new CVEs every week. SSH exposed here, an old web service there, and a forgotten cron job running as root. On top of that, SIEM dashboards blink all day with alerts that all claim to be “high priority.” . It’s no surprise that people stop paying attention. The real problem isn’t a lack of data. It’s the opposite. Too much noise, not enough signal. Security teams see huge lists of vulnerabilities and thousands of alerts, but very...
Jul 06, 2026
Security Vulnerabilities security advisory critical
security advisory critical Before you close out the week, check what still needs to be patched. . The list is not small. Ubuntu and Red Hat pushed kernel updates. OpenVPN and OpenShift both received security fixes. Several everyday Linux components were patched too, including Vim, nginx, cifs-utils, LibVNCServer, nghttp2, and Perl. That is the kind of week administrators can easily write off as routine. It should not be. These are the updates that keep small openings from turning into real access. Why This Week Looks...
Jul 03, 2026
Security Trends malware security research
malware security research GitHub has become the latest delivery mechanism for malware aimed at security researchers. . YesWeHack and Sekoia identified a campaign that hid a Python-based remote access trojan (RAT) called ChocoPoC inside repositories presented as proof-of-concept exploits for recently disclosed vulnerabilities. Someone looking for a working exploit could clone the project, execute the code, and unknowingly launch a second payload that established remote access. Nothing about the campaign specifically...
Jul 02, 2026
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data breachcybersecuritycyber crimeVladimir Drinkman: Major Role In Historic U.S. Data Breach Incident
A Russian hacker extradicted to the US earlier this year admitted his role in the largest hack in US history. The attack compromised more than 160 million credit card numbers, resulting in hundreds of millions of US dollars in losses. . Vladimir Drinkman, 34, said Tuesday in federal court in Camden, New Jersey, that he plotted with four other men to steal credit card numbers from payments processors Global Payments and Heartland Payment Systems, grocery chain Hannaford Brothers and at least 14 other organisations from 2005 to 2012. . Vladimir Drinkman, 34, said Tuesday in federal court in Camden, New Jersey, that he plotted with fou. russian, hacker, extradicted, earlier, admitted, largest. . LinuxSecurity.com Team
Sep 17, 2015
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