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 12 articles for you...
67
data protectionsecurity practicesencryptionThe Importance of Cryptography for Securing Data Transmission
Due to the increasingly complex nature of data transmission, it has becomes a necessity to use various levels and types of cryptography within the scope of many environments. Onc critical issue that arrises from this is that it is . . . . Due to the increasingly complex nature of data transmission, it has becomes a necessity to use various levels and types of cryptography within the scope of many environments. Onc critical issue that arrises from this is that it is difficult to compare and contrast various types of cryptographic schema. How does a 1024 bit RSA key stack up against a 1024 bit 3DES key? How does elliptic curve cryptography compare to more common algorithims? These kind of questions are difficult to answer, but if you manage an environment where security and cryptography are critical components, they are question you just might need to be able to resolve. The link for this article located at Network Computing is no longer available. . Due to the increasingly complex nature of data transmission, it has becomes a necessity to use vario. increasingly, complex, nature, transmission, becomes, necessity, vario. . LinuxSecurity.com Team
Jan 01, 2020
•
Cryptography
83
data transmissionsecurity protocoldeveloper responseComprehending Extended HTML Form Attacks Alongside Their Responses
"HTML forms (i.e. form) are one of the features in HTTP that allows users to send data to HTTP servers. An often overlooked feature is that due to the nature of HTTP, the web browser has no way of identifying between an HTTP server and one that is not an HTTP server. Therefore web browsers may send this data to any open port, regardless of whether the open port belongs to an HTTP server or not. Apart from that, many web browsers will simply render any data that is returned from the server. Have you ever heard about the extended HTML form attack? What can web developer do? This article looks into this attack and how attackers can use it.. . 'HTML forms (i.e. form) are one of the features in HTTP that allows users to send data to HTTP serve. 'html, forms, form), features, allows, users, serve. . LinuxSecurity.com Team
Jun 20, 2008
•
Hacks/Cracks
67
security measuressecurity researchcryptographyToshiba Research Breakthrough in Quantum Key Distribution Security
A loophole in quantum cryptography that could allow a hacker to determine a secret key transmitted using the technology has been closed by new research. Working at Toshiba Research Europe in Cambridge, scientists found that laser diodes used to transmit keys used to encrypt data, known as Quantum Key Distribution (QKD), sometimes transmitted more than one photon at a time. Quantum encryption works by transmitting key data as a stream of single photons. . Should an eavesdropper try to intercept the transmission, monitoring a single photon would change the state of that photon, and this would make both ends of the transmission aware that the data had been eavesdropped. However, the laser diodes can sometimes transmit more than one photon and so a hacker could monitor the second photon, leaving the first photon unchanged and this would not alert anyone that the key transmission had been compromised. The link for this article located at PCpro is no longer available. . Should an eavesdropper try to intercept the transmission, monitoring a single photon would change th. loophole, quantum, cryptography, allow, hacker, determine, secret, transmitted. . LinuxSecurity.com Team
Feb 21, 2007
•
Cryptography
81
data transmissionsecure communicationconfidentialityRevolutionary Optical Method Enhances Data Security Over Public Networks
At this week's annual meeting of the Optical Society of America in Rochester, N.Y., Bernard Wu and Evgenii Narimanov of Princeton University will present a method for transmitting secret messages over existing public fiber-optic networks, such as those operated by Internet service providers. This technique could immediately allow inexpensive, widespread, and secure transmission of confidential and sensitive data by governments and businesses. Wu and Narimanov's technique is not the usual form of encryption, in which computer software scrambles a message. Instead, it's a more hardware-oriented form of encryption--it uses the real-world properties of an optical-fiber network to cloak a message. . The sender transmits an optical signal that is so faint that it is very hard to detect, let alone decode. The method takes advantage of the fact that real-world fiber-optics systems inevitably have low levels of "noise," random jitters in the light waves that transmit information through the network. The new technique hides the secret message in this optical noise. The link for this article located at PhyOrg is no longer available. . Discover the innovative optical signaling approach that enables confidential data transfer across open fiber optic networks.. Secure Data Transmission,Fiber Network Security,Confidential Message Transmission,Optical Encryption Techniques. . LinuxSecurity.com Team
Oct 13, 2006
•
Privacy
67
data transmissionsecure communicationsquantum cryptographyRevolutionary Advances In Light-Based Encryption For Data Safety
Researchers at Mitsubishi Electric, NEC and the University of Tokyo claim to have made a breakthrough in a new technique for very secure data communications. The parties have implemented a technique known as quantum cryptography, which codes the data optically and have for the first time transmitted information between systems uses this technique. . According to the trio, it is hoped that using this technology it will be possible to realize networks with unbreakable codes within five years. Security of most modern data cryptography is based on codes of evermore computational complexity. But with processing performance of computers increasing dramatically, cracking these data codes becomes more achievable. The link for this article located at Reed Electronics is no longer available. . According to the trio, it is hoped that using this technology it will be possible to realize network. researchers, mitsubishi, electric, university, tokyo, claim, breakthroug. . LinuxSecurity.com Team
May 17, 2006
•
Cryptography
74
data transmissionnetcatnetwork toolAn Overview of Netcat for Networking and Debugging Purposes
"Netcat is a simple Unix utility which reads and writes data across network connections, using TCP or UDP protocol. It is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts. At the same time, it is a feature-rich network debugging and exploration tool, since it can create almost any kind of connection you would need and has several interesting built-in capabilities. Netcat, or "nc" as the actual program is named, should have been supplied long ago as another one of those cryptic but standard Unix tools." . The link for this article located at SecurityDocs.com is no longer available. . The link for this article located at SecurityDocs.com is no longer available. . 'netcat, simple, utility, which, reads, writes, across, network, connections, using. . Benjamin D. Thomas
Feb 09, 2006
•
Network Security
67
data transmissionquantum cryptographysecurity protocolNTT Achieves Quantum Cryptography Advancement in Photonic Networks
Japanese Nippon Telegraph and Telephone Corp. (NTT) has successfully demonstrated the quantum cryptography with a single photon can be realised in the photonic network of optical fibres. The quantum cryptography is expected to be the last resort of the cryptography protocol, and to enhance enormously the safety of transmitting information. . The result was enabled by combining the original protocol of the quantum cryptography developed by the collaboration of NTT and Stanford University (USA) and the NTT developed optical switch to control the flow of photons. The link for this article located at Ferret.com is no longer available. . The result was enabled by combining the original protocol of the quantum cryptography developed by t. japanese, nippon, telegraph, telephone, (ntt), successfully, demonstrated, quantum, crypto. . LinuxSecurity.com Team
Jul 26, 2005
•
Cryptography
74
security advisorynetwork securitydata transmissionUnderstanding SSL Vulnerabilities and Their Effects on Network Security
The omnipresent SSL (Secure Socket Layer) which is supposed to offer a secure channel to transmit sensitive data across the Internet, may actually be opening up a gaping hole in your network security. This was the surprising bit of information was . . . . The omnipresent SSL (Secure Socket Layer) which is supposed to offer a secure channel to transmit sensitive data across the Internet, may actually be opening up a gaping hole in your network security. This was the surprising bit of information was delivered to the attending bankers on the second day of bank.net event here in Mumbai by Udi Segall, Marketing Product Manager Radwell. According to Segall, SSL does two things - one it authenticates the identity of the server, and optionally the client as well. And second, it creates a secure tunnel between the client and the server. The problem here is that once a secure link is created, it is assumed that the client connecting to the server is genuine (because he has been able to successfully login). Since the SSL traffic is encrypted, it cannot be analyzed by IDS and IPS (Intrusion Detection Systems and Intrusion Prevention System) system. The link for this article located at CXO Today is no longer available. . TLS may not offer the protection it once did, possibly revealing weaknesses in digital communications. Stay informed about the dangers!. SSL Security Risks, Network Encryption, Intrusion Detection. . Anthony Pell
Nov 24, 2003
•
Network Security
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!
Explore top 10 tips to secure your open-source projects now. Read More