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
high severityransomwaresecurity threatAbyss Locker Ransomware Targets Linux And Windows Systems: High Threat
A ransomware variant dubbed "Abyss Locker" has been observed targeting Microsoft Windows and Linux platforms. The Abyss Locker ransomware is believed to be based on the HelloKitty ransomware source code. It steals and encrypts victims' files, demanding ransom for decryption and preventing the release of stolen data. The ransomware's severity level is classified as high, showcasing the urgency of addressing this issue. . Intriguing Points & Security Implications Abyss Locker was first detected in July 2023, but its origins may date even further. This raises questions about the potential evolution of ransomware and the continuous importance of staying ahead of emerging threats. Another interesting aspect is the attack method of ransomware. The Windows version of Abyss Locker performs several actions to ensure successful encryption, such as deleting Volume Shadow Copies and system backups. On the Linux side, it attempts to shut down running VMware ESXi systems before encrypting files. This intricate approach reveals the attackers' sophistication and highlights the need for robust security measures. The ransomware avoids encrypting specific file extensions and directories to maintain system operability and enable victim-attacker communication for ransom negotiation. This indicates that the attackers are focused on maximizing their chances of receiving payment, leaving room for speculation about their motives and potential future enhancements to their tactics. The Abyss Locker ransomware presents a significant challenge for security practitioners. Its ability to target Windows and Linux platforms demonstrates the necessity for a comprehensive and multi-layered security strategy. Linux admins, in particular, must be attentive to the risks associated with VMware ESXi systems, as the ransomware specifically targets this environment. As security practitioners, it is essential to ask critical questions: How can we enhance our detection and prevention mechanisms to identify emergingransomware variants like Abyss Locker? Are our backup and recovery processes robust enough to mitigate the impact of ransomware attacks? What steps can be taken to counteract ransomware developers' sophisticated tactics, such as the multiple evasion techniques employed by Abyss Locker? Long-term consequences must also be considered. The successful targeting of both Windows and Linux platforms indicates a potential shift in ransomware strategies, revealing the adaptability and resourcefulness of cybercriminals. This calls for ongoing vigilance and the continuous development of proactive security measures. Our Final Thoughts on Abyss Locker The Abyss Locker ransomware represents a clear and present danger to Windows and Linux users. Its sophisticated attack methods, ability to encrypt files, and ransom demand raise serious concerns for security practitioners. By analyzing the implications and asking critical questions, security professionals can better understand this threat and take proactive measures to protect their systems. The long-term consequences of this ransomware highlight the need for ongoing adaptation and improvement in security practices. As we face the evolving landscape of cybersecurity, it is vital to stay informed , remain vigilant, and develop robust defenses against ransomware attacks. . Phantom Gate malware targets both Mac and Windows platforms, employing complex strategies for maximum damage. Remain vigilant.. Abyss Locker Ransomware, Linux Security Threat, Windows Cyber Attacks, Ransomware Defense Strategies. . Brittany Day
Mar 02, 2024
•
Cryptography
83
ransomwarecyber incidentdata theftDublin Tram System Website Defaced: Ransom Demand Threatens Data Release
The website of Luas, the tram system operating in Ireland’s capital city of Dublin, has been taken offline this morning after hackers defaced the site and demanded a ransom be paid within five days.. Early morning visitors to the website were greeted with a message from the hackers, claiming that data had been stolen from operator Transdev Ireland, and would be published on the internet unless a ransom demand of one Bitcoin (approximately 3,300 Euros or US $3,800) was paid. The link for this article located at TripWire is no longer available. . Cybercriminals breach the site of Dublin's Luas tram system, issuing a ransom demand and warning of imminent data leaks within a week.. Luas Tram System, Cyber Threats, Ransomware Attack, Data Breach, Website Hack. . LinuxSecurity.com Team
Jan 03, 2019
•
Hacks/Cracks
83
hacker threatcybersecurity risksransom demandRansom Threat: Dutch Hacker Sets Sights on Jailbroken iPhones
A hacker in the Netherlands broke into some jailbroken iPhones and sent text messages to the owners asking them to pay to find out how to secure their phones, according to postings in a Dutch forum called Tweakers.net.. One of the victims posted a screenshot from his iPhone of the SMS received. It said: "Your iPhone's been hacked because it's really insecure! Please visit doiop.com/iHacked and secure your iPhone right now! Right now, I can access all your files." The URL provided now displays a message indicating that it was reported for spam or phishing abuse and has been deactivated. The link for this article located at CNET is no longer available. . One of the victims posted a screenshot from his iPhone of the SMS received. It said: 'Your iPhone's . hacker, netherlands, broke, jailbroken, iphones, messages, owners. . LinuxSecurity.com Team
Nov 04, 2009
•
Hacks/Cracks
74
DDoS Attackextortion attemptattack responseAuthorize.Net: Ongoing DDoS Attacks And Ransom Challenges
Corey Mandell knew things weren't good when he got the ransom letter. Mandell had experienced such things before, and he knew that Authorize.Net, a Bellevue, Wash., credit card processing company, would be in for a tough time. What he didn't realize until later is that it would be much worse than he had anticipated. . . .. Corey Mandell knew things weren't good when he got the ransom letter. Mandell had experienced such things before, and he knew that Authorize.Net, a Bellevue, Wash., credit card processing company, would be in for a tough time. What he didn't realize until later is that it would be much worse than he had anticipated. The DDoS (distributed denial of service) attacks began Sept. 15, and they continue to this day. "We received an extortion letter demanding a large sum of money," said Mandell, who is vice president of development and operations at Authorize.Net. "We were able to handle the attack" at first, he said, explaining that the company had tailored its response based on past attacks against it and others in the same business. But things got worse in a hurry. The link for this article located at Wayne Rash is no longer available. . Jordan West confronts a major blackmail scheme while PayPal deals with persistent cyber assaults and ransom threats.. DDoS Attacks, Authorize.Net Security, Payment Processor Defense. . Anthony Pell
Sep 30, 2004
•
Network Security
83
cyber threatsecurity awarenessnetwork attackMidsized Financial Firm Faces Ransom Demand for Network Attack Mitigation
Late one recent Sunday night, an executive at a midsized financial services firm received the kind of call everyone in the industry dreads: a demand for $1 million, or else the brokerage's network would crash the next day with a surreptitiously installed program.. . .. Late one recent Sunday night, an executive at a midsized financial services firm received the kind of call everyone in the industry dreads: a demand for $1 million, or else the brokerage's network would crash the next day with a surreptitiously installed program. The firm's security team spent a frenzied night searching for the pernicious code but failed to find it, and the system went down for an hour in the morning. The executive's phone rang once more: The caller threatened to crash the system again, but this time during peak trading hours. The brokerage, in this case, paid up. "We figured out how the person got in and patched the system," said Ed Skoudis, a hacking expert at security firm Predictive Systems, which was called in to fortify the company's networks. "We deal with about two intrusions per month, and we're just one of the many teams out there doing this work. We're not dealing with denial-of-service attacks or script kiddies playing around, but skilled financial intrusions." The link for this article located at ZDNet is no longer available. . A manager encountered a $1 million demand to avert a data breach, exposing severe digital risks within the financial sector.. Financial Services Attacks,Cyber Security Risks,Network Intrusion. . LinuxSecurity.com Team
Apr 30, 2002
•
Hacks/Cracks
83
cyber threatserver securitywebsite defacementRansom Demand By Hackers For Eddie Murphy On String Cheese Incident Website
A group calling itself "Hackers for Eddie Murphy" posted a ransom note Sunday on the front door of the Web site operated by Colorado-based rock band The String Cheese Incident. According to the defacement, which appeared to be a tongue-in-cheek . . . . A group calling itself "Hackers for Eddie Murphy" posted a ransom note Sunday on the front door of the Web site operated by Colorado-based rock band The String Cheese Incident. According to the defacement, which appeared to be a tongue-in-cheek hoax, the hackers demanded a payment of $1 million for the return of the site's servers "to their normal state of well being." The attackers' message, which was still viewable this morning, said they would use the money to "jump start" production of "Beverly Hills Cop 4," another sequel to Murphy's 1984 movie. "Beverly Hills Cop 3" was released in 1994. The Stringcheeseincident.com server appeared to be using a vulnerable version of the WU-FTPD file transfer program. According to a November 2001 advisory from the Computer Emergency Response Team, WU-FTPD version 2.6.1 contains a security hole that could allow remote attackers to take control of the server. The link for this article located at Newsbytes is no longer available. . Cyber intruders targeting Eddie Murphy released a ransom demand, seeking $1 million from The String Cheese Incident's online platform.. Ransom Demand,Cyber Threat,Hacking Incident,Website Security. . LinuxSecurity.com Team
Mar 11, 2002
•
Hacks/Cracks
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