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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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212

How Kernel Security Features Enhance Process Monitoring in Kubernetes

The large attack surface of Kubernetes’ default pod provisioning is susceptible to critical security vulnerabilities, some of which include malicious exploits and container breakouts. I believe one of the most effective workload runtime security measures to prevent such exploits is layer-by-layer process monitoring within the container. . It may sound like a daunting task that requires additional resources, but in reality, it is actually the opposite. In this article, I will walk you through how to use existing Linux kernel security features to implement layer-by-layer process monitoring and prevent threats. Containerized workloads in Kubernetes are composed of numerous layers. An effective runtime security strategy takes each layer into consideration and monitors the process within each container, also known as process monitoring. . Explore the role of Linux kernel security features in enhancing process oversight within Kubernetes environments, elevating container safety measures.. Kernel Security, Kubernetes, Process Oversight, Container Monitoring, Runtime Security. . Brittany Day

Calendar 2 Jan 06, 2023 User Avatar Brittany Day Cloud Security
212

Exploring Container Security Risks: Prepare for Emerging Threats

Container technology adoption has experienced a rapid upward surge over the past few years. But now that it has gained a serious foothold in the enterprise, questions are beginning to arise about container security. Perhaps the fundamental question is, just how secure are containers? . Most seem to think containers are secure; that they somehow contain magical powers when it comes to malware protection. But Dan Walsh, a Senior Engineer at Red Hat , says IT managers need to stop assuming that Docker and the Linux kernel protect you from malware. Unfortunately, few appear to have heeded that warning. The 2021 Cloud Native Security Survey by Aqua Security found only 3% of respondents recognized that a container, in and of itself, was not a security boundary. Only 24% of respondents had plans in place to deploy the necessary building blocks for runtime security. . A common belief is that cloud services are invulnerable, yet specialists warn about flaws and misunderstandings in cloud security practices.. Container Security, Runtime Protections, Cloud Native Threats, Docker Security, Malware Risks. . Brittany Day

Calendar 2 Aug 17, 2021 User Avatar Brittany Day Cloud Security
78

WireX FormatGuard 1.0 Runtime Protection Against Printf Flaws

WireX is pleased to announce the broad release of FormatGuard 1.0, the latest member of the Immunix security tool suite. Similar to StackGuard , FormatGuard provides run-time protection against printf format string vulnerabilities.. . .. WireX is pleased to announce the broad release of FormatGuard 1.0, the latest member of the Immunix security tool suite. Similar to StackGuard , FormatGuard provides run-time protection against printf format string vulnerabilities. FormatGuard's basic mechanism is to transform printf (and friends) into a CPP macro. The macro uses CPP tricks to count the actual number of arguments presented to printf, and then calls a wrapped printf that parses the format string, and compares the number of % directives to the argument count. If there are more % directives than actual arguments, then a printf format string is deemed to be in progress, a syslog entry to that effect is generated (including the name of the function with the bogus printf call) and the program aborts. This method was originally proposed by Mike Frantzen refined by Jamie Lokier https://gcc.gnu.org/legacy-ml/gcc/2000-09/msg00604.html and implemented by WireX. A brief description of FormatGuard can be found here FormatGuard is described at length in a paper that will be presented at USENIX Security 2001, August, Washington DC https://www.usenix.org/legacy/events/sec01/ Preprints of the paper are available here FormatGuard is implemented as an enhancement to glibc, providing the printf-family of macros in stdio.h and the wrapped functions as part of glibc. As such, FormatGuard is distributed under glibc's LGPL. Source can be downloaded here Despite being packaged as a library, programs only get FormatGuard protection if they are re-compiled with FormatGuard. The resulting binaries only run when statically or dynamically linked to the FormatGuard version of glibc. WireX's Immunix OS 7.0 Linux distribution has been completely built with FormatGuard (as well as StackGuard) and is available forpurchase here We have extensively measured and tested FormatGuard, running it on our servers and workstations for the last several months. The performance impact of FormatGuard is negligible, always below 2%. We have tested the security effectiveness of FormatGuard against real vulnerabilities and live exploits, and found it to be effective. The primary limitation is programs that either make direct calls to vsprintf with hand-constructed varargs argument stacks, or call printf-like functions in non-glibc libraries such as GLib (part of GTK). Details are provided in the USENIX Security paper Crispin -- Crispin Cowan, Ph.D. Chief Scientist, WireX Communications, Inc. http://wirex.com Security Hardened Linux Distribution: https://8xbetvnn.bet/ Available for purchase: . Unveil the launch of CodeShield 1.0 by TechSecure, strengthening defenses against injection vulnerabilities.. FormatGuard, Printf Flaw Protection, Immunix Security, glibc Enhancement, Runtime Security. . LinuxSecurity.com Team

Calendar 2 May 28, 2001 User Avatar LinuxSecurity.com Team Vendors/Products
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Community Poll

What got you started with Linux?

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Please select either existing option or enter your own, however not both.
Please select minimum {0} answer(s).
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/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
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0
[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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