Network Security
system security Linux network
system security Linux network The romanticized image of the digital nomad – a laptop on a sun-drenched balcony – rarely accounts for the actual friction of maintaining a professional development environment on the move. . The friction is amplified with Linux. We are looking for a setup that respects our kernel configurations, handles volatile network handovers, and maintains a strict security posture without the hand-holding of a consumer-grade OS – so, put simply, more than just a laptop and a sunny deck. The hardware is...
May 26, 2026
Server Securityopen-source Linux administration
open-source Linux administration Cron has existed in Unix and Linux environments for decades, handling backups, cleanup scripts, patching jobs, log rotation, monitoring tasks, and other maintenance work that administrators do not want to run manually. Most Linux servers rely on it constantly, which is exactly why attackers continue abusing it for persistence after a system has already been compromised. . Persistence through cron is not complicated. Attackers do not need a rootkit or advanced malware framework to maintain...
May 25, 2026
Vendors/Productssecurity breach linux
security breach linux A major internal repository breach at GitHub has exposed a critical and overlooked blind spot in Linux supply chain security. Kernel exploits, exposed SSH services, weak firewall rules, and vulnerable daemons dominated the Linux threat model for years, and in many environments, they still matter. But recent supply-chain incidents involving GitHub ecosystems, npm packages, and malicious developer tooling point somewhere else entirely: the developer workstation. . The breach matters because...
May 21, 2026
Security Trends access control multi-tenant
access control multi-tenant Linux administrators often face an ugly choice in the cloud: prioritize convenience and cost-efficiency by sharing infrastructure, or sacrifice those benefits for the sake of total isolation. Most modern Linux workloads don't live on their own private servers anymore. They live in shared environments like Kubernetes clusters, where multiple teams and services run side-by-side. It sounds efficient, and it usually is. . But cloud isolation isn't as ironclad as it looks on the diagram. If you...
May 21, 2026
Vendors/Productsincident response cloud security
incident response cloud security Managed Extended Detection and Response (MXDR) has become one of the most sought-after security services in the enterprise market — and with good reason. It promises the holy grail: broad visibility across endpoints, network, cloud, email, and identity, combined with the 24/7 human expertise most organizations simply cannot build in-house. . However, the rapid growth of the market has produced a wide range of providers whose capabilities vary considerably beneath the surface. Choosing the...
May 19, 2026
Refine news
X Clear Filters
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Community Poll
What got you started with Linux?
Loading...
Explore Latest Linux Security news
We found 1 articles for you...
67
security solutionscryptographydigital authenticationEnhancing Document Notarization with Cryptography in the Digital Age
To those who grew up in the electronic age, notarization of documents has the odor of antiquity and obsolescence. It is an ancient practice, but ironically it serves purposes directly analogous to many of high priority for modern electronic documents. And now modern security techniques are bringing notarization to the electronic realm, to the benefit of both. Think of notaries as an old-world authentication and accreditation system. . In the United States, they are accredited by the state, and similar positions are supported by governments the world over. They witness the signature of documents, authenticate the signatories, and accredit the signatures through a physical mark attached to the paper: an ink stamp, a crimp, even a physical seal (how's that for old world?). The link for this article located at eWeek is no longer available. . Modern cryptography transforms electronic document notarization by ensuring authenticity, integrity, and non-repudiation through digital signatures and hash functions.. Document Notarization, Digital Authentication, Security Solutions, Cryptography, Electronic Notary. . LinuxSecurity.com Team
May 04, 2006
•
Cryptography
67
email securityPKIPGPComparative Analysis of PKI and PGP in Email Security Solutions
In Phil Zimmermann's response to "Does Phil Zimmermann need a clue on VoIP", Zimmermann offered a blistering attack on PKI based solutions and offered his own PGP solution as the superior alternative. There is just one little problem: the computing world chose PKI for the most part while PGP barely makes a dent in the email world. . After Zimmermann finished criticizing Skype's methodology for success (to which I responded), Zimmermann went on to slam PKI implementations such as S/MIME, boasting that his PGP email products are much easier to use and much more popular. While both S/MIME and PGP are certified by the NIST, neither solution has any penetration in the mass computing market. PGP happens to be more widely used than S/MIME among the "techno-elite" but the mass market penetration is so insignificant that it’s a moot point. Zimmermann in a subsequent email even went as far as saying that "no one" used S/MIME which seemed strange to me since I use it myself. The link for this article located at ZDNet.com is no longer available. . After Zimmermann finished criticizing Skype's methodology for success (to which I responded), Zimmer. zimmermann, zimmermann's, response, 'does, voip', offered. . LinuxSecurity.com Team
Aug 11, 2005
•
Cryptography
67
data integritycryptographydigital authenticationRisks to Data Integrity and Authentication Due to SHA-1 Vulnerabilities
In a three-page research note, three Chinese scientists -- Xiaoyun Wang and Hongbo Yu of Shandong University and Yiqun Lisa Yin, a visiting researcher at Princeton University -- stated they have found a way to significantly reduce the time required to break a algorithm, known as the Secure Hashing Algorithm, or SHA-1, widely used for digital fingerprinting data files. Other cryptographers who have seen the document said that the results seemed to be genuine. . An attacker could use the flaw to create two documents or programs that have the same digital fingerprint, also known as a hash; one file could be a legitimate version of the data, while the other could be a forgery. For example, code signing -- where a program is posted online along with its SHA-1 fingerprint as a way to guarantee its integrity -- would essentially be rendered meaningless by this attack. The link for this article located at Builder AU is no longer available. . Uncover the vulnerabilities in SHA-1 that enable cybercriminals to forge identical cryptographic signatures, posing a threat to the authenticity of information.. SHA-1 Flaw, Data Integrity Risk, Cryptographic Security, Digital Encryption. . LinuxSecurity.com Team
Mar 09, 2005
•
Cryptography
67
network securityencryptionsecurity technologyEnhancing Security With Digital Authentication For Hack Prevention
ISPs and corporations could do more to prevent hacking attacks by using digital authentication, according to security vendor Access Research Technologies. The company said its software can generate digital tags which protect communication channels by authenticating and authorising each inbound connection . . . . ISPs and corporations could do more to prevent hacking attacks by using digital authentication, according to security vendor Access Research Technologies. The company said its software can generate digital tags which protect communication channels by authenticating and authorising each inbound connection before a user channel is formed. Hackers can scan a network using Access software, but once they try to connect, the terminals disappear. Unauthorised inbound connections are redirected to the system administrator to set up a new digital authentication key, encrypting the TCP/IP data using 2048-bit polymorphic encryption. But security consultant Neil Barrett said that the technology sounded similar to IPv6, which provides the option to digitise every packet sender, ensuring that each connection is received from an authorised address. "If this system does offer that level of assurance, it is valuable. But why not use IPv6? This also provides the means of shutting down unauthorised inbound connections," he said. [ All of article ] The link for this article located at vnunet is no longer available. . Telecom providers and businesses ought to utilize online verification to improve safety measures and thwart cyber intrusions efficiently.. Digital Authentication, Hack Prevention, Network Security, Encryption Technology. . LinuxSecurity.com Team
Jun 29, 2001
•
Cryptography
67
e-commercedigital authenticationsecurity protocolBoosting E-Commerce with SSL Encryption for Secure Transactions
E-commerce is driving the Internet economy; e-commerce wouldn't be driving anything if users didn't purchase items online; overcoming users fears while shopping online has been the major hurdle in growing e-commerce; a single Internet protocol has almost single handedly increased e-commerce . . . . E-commerce is driving the Internet economy; e-commerce wouldn't be driving anything if users didn't purchase items online; overcoming users fears while shopping online has been the major hurdle in growing e-commerce; a single Internet protocol has almost single handedly increased e-commerce by making secured transactions possible. Introducing SSL. SSL (Secure Sockets Layer) has become the de facto standard for client-to-server encryption on the Internet. It is a public key encryption scheme developed by Netscape that uses both public and private keys to authenticate users. Part of this process involves the server sending the client its certificate. Provided by a certifying authority, such as Verisign, this certificate guarantees the server's authenticity so that you know exactly what resource you are talking to. After this key exchange takes place, a shared secret key is used to encrypt the data between sender and receiver. The link for this article located at TechWeb is no longer available. . TLS protocols bolster digital commerce by safeguarding online payments, building consumer confidence, and increasing revenue.. Ecommerce Security, SSL Encryption, Online Transactions, Digital Authentication. . LinuxSecurity.com Team
Nov 13, 2000
•
Cryptography
78
digital authenticationfraud preventiondata verificationBlue Spike Releases New Watermarking Technology For Fraud Prevention
And that's where Blue Spike Inc., hopes to make its mark: The company is planning to release a product in the next 90 days that could help prevent similar hoaxes. Blue Spike already produces digital watermarking technologies for video and . . . . And that's where Blue Spike Inc., hopes to make its mark: The company is planning to release a product in the next 90 days that could help prevent similar hoaxes. Blue Spike already produces digital watermarking technologies for video and audio files and is now developing a technology that would make it possible for Internet Wire and others to verify the electronic text documents they receive. VP Gregg Moskowitz said the product will let Internet Wire distribute a decoder to companies that use its service, thereby allowing it to verify the origins of news releases. But Internet Wire CEO Michael Terpin says that the wire service shouldn't depend on technology to do the job of the wire service. The fraudulent posting was achieved only when the perpetrator convinced Internet Wire's night shift that the release had already been approved for posting by the day crew, Terpin said. It was a simple con job, he added. About one out of 50,000 releases turns out to be fraudulent, so the real issue is that "we shouldn't rely on technology instead of good old-fashioned follow-up," Terpin said. The link for this article located at Techweb is no longer available. . Cerulean Thorn Ltd. plans to unveil an innovative solution to tackle online fraud via encrypted marking and authentication.. Watermarking Technology, Digital Authentication, Internet Fraud Prevention, Data Verification Solutions, InfoSec Innovations. . LinuxSecurity.com Team
Sep 01, 2000
•
Vendors/Products
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Community Poll
What got you started with Linux?
Search Topics
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!
Discover faster search, smarter navigation, and deeper Linux security insights. Read More