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
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data protectionrisk assessmentsecurity practiceBoosting Business Security Through Key Habits and Assessments
"If you can't afford the security, you can't afford the project," says Rosaleen Citron, CEO of Toronto-based security firm WhiteHat Inc., citing a well-known axiom in the information security industry. On the other hand, "most businesses, big or small, can't afford to defend everything," says Mary Kirwan, an independent security expert in Toronto. Indeed, they would impede their productive business activity if they tried. . . .. Companies, like the humans who make them run, are creatures of habit. Some of those habits can make information systems more secure, rather than less. There's no such thing as absolute security, of course. But the seven best practices of highly secure companies are a standard against which CEOs can measure their organizations. "If you can't afford the security, you can't afford the project," says Rosaleen Citron, CEO of Toronto-based security firm WhiteHat Inc., citing a well-known axiom in the information security industry. On the other hand, "most businesses, big or small, can't afford to defend everything," says Mary Kirwan, an independent security expert in Toronto. Indeed, they would impede their productive business activity if they tried. An effective approach to information security involves making choices. Companies must compromise, deciding what are the most important assets that need to be protected and then deploying a proportionate level of security around them. 1. Assess and audit Have a risk assessment and a regular security audit performed by an outside pair of eyes. The risk assessment creates an inventory of assets and undertakes a detailed threat assessment. It assigns ratings to threats, and proposes a list of counter-measures. The security audit is designed to show whether those measures have been adequately implemented. How "regular" a security audit should be depends on the business and how much information is being exchanged with customers and suppliers. The link for this article located at itbusiness.ca is no longer available. . Businesses need to evaluatevulnerabilities and review safety measures to safeguard essential resources efficiently, all while ensuring operational efficiency.. Security Practices, Risk Management, Information Systems, Security Assessments, Data Integrity. . Anthony Pell
Jun 30, 2004
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Network Security
77
email securityanti-spamemail managementEnhance Workplace Efficiency By Reducing Unwanted Spam Emails
The problem: too much spam. Unsolicited advertising email continues to account for untold business losses each year. To give you an idea of the scope of the problem, in 1998 AOL reported that of the approximately 30 million email messages its . . . . The problem: too much spam. Unsolicited advertising email continues to account for untold business losses each year. To give you an idea of the scope of the problem, in 1998 AOL reported that of the approximately 30 million email messages its servers handled each day, between 5 and 30 percent were spam. Assuming that this rate is true for other email providers as well, spam takes a significant economic toll on business, not merely in terms of Internet resources, but in lost employee productivity as well. Sometimes, whether you receive bulk email is just the luck of the draw. Target addresses are often generated at random, or constructed from common usernames and domains. My own mail server is configured to forward any mail sent to my domain, regardless of address, straight to my account. Among the legitimate mail, I notice lots of spam for variations on hesketh.net (for example,
Dec 23, 2001
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Server Security
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