Security News
Jack Wallen walks you through the process of putting in place a temporary fix against SAD DNS for your Linux servers and desktops. There's a new DNS cache poisoning threat in town and it goes by the name of Side-channel AttackeD DNS. This new attack works like so: SAD DNS makes it possible for hackers to reroute traffic destined to a specific domain to a server under their control.
Researchers from Tsinghua University and the University of California have identified a new method that can be used to conduct DNS cache poisoning attacks. DNS cache poisoning attacks refer to polluting this very cache existing on intermediary servers.
A trojan targeting Linux and deployed by a known ransomware gang has been discovered by Russian antivirus firm Kaspersky. The trojan was, so the two said, similar to the existing RansomEXX trojan, which they said had been deployed only last week against Brazil's courts, as well as targets in the US and elsewhere.
Researchers have uncovered a new worm targeting Linux based x86 servers, as well as Linux internet of things devices. Of note, the malware utilizes GitHub and Pastebin for housing malicious component code, and has at least 12 different attack modules available - leading researchers to call it "Gitpaste-12." It was first detected by Juniper Threat Labs in attacks on Oct. 15, 2020.
There are two easy ways to view your SSH public key in Linux. The above command will print out your SSH key on your Linux machine, without prompting you for your key authentication password.
With companies commonly using a mixed environment of Windows and Linux servers, ransomware operations have increasingly started to create Linux versions of their malware to ensure they encrypt all critical data. A new report today by Kaspersky takes a look at the Linux version of the RansomExx ransomware, also known as Defray777.
Red Hat announced Red Hat Enterprise Linux 8.3, the latest version of its enterprise Linux platform. To support these needs, Red Hat Enterprise Linux 8.3 further expands Red Hat System Roles which provide prescriptive and automated ways for operating system-specific configurations.
Efforts to disrupt TrickBot may have shut down most of its critical infrastructure, but the operators behind the notorious malware aren't sitting idle. According to new findings shared by cybersecurity firm Netscout, TrickBot's authors have moved portions of their code to Linux in an attempt to widen the scope of victims that could be targeted.
Adding a user with admin privileges on Linux is easier than you think. Problem is, when you create a new user, that user doesn't have admin privileges.
The popular password manager 1Password is now available for Linux users in beta version. Pegged for an official release in early 2021, the Linux release for 1Password - which has been used by Windows and Mac users for years - offers a "Full-featured desktop app" where users can securely manage and store passwords and other important credentials, such as credit card information.