Security News
You don't want that, but how do you prevent such a reality? One way is to enable two-factor authentication on the server. How do you set up SSH 2FA on your Ubuntu Server? Let me show you.
It's one of the more flexible and powerful terminal applications on the Linux market and it has a rather pleasant, SSH-centric surprise for you an SSH Manager plugin. Figure B. How to use the SSH Manager plugin.
Cisco has released security updates to address a high severity vulnerability in the Cisco Umbrella Virtual Appliance, allowing unauthenticated attackers to steal admin credentials remotely.Fraser Hess of Pinnacol Assurance found the flaw in the key-based SSH authentication mechanism of Cisco Umbrella VA. Cisco Umbrella, a cloud-delivered security service used by over 24,000 organizations as DNS‑layer security against phishing, malware, and ransomware attacks, uses these on-premise virtual machines as conditional DNS forwarders that record, encrypt, and authenticate DNS data.
SEE: 40+ open source and Linux terms you need to know. Your first question might be "Why would you need to do this?" As I said, I do a lot of testing, so I have several Linux servers on a LAN that need to be able to send out emails.
Kali Everything Image - An all-packages-in-one solution now available to download. Kali-Tweaks Meets SSH - Connect to old SSH servers using legacy SSH protocols and ciphers. As the first version of the new year, the Kali Team has performed a visual refresh adding new backgrounds for the desktop, login, and boot displays, and a new installer theme.
Cisco Systems has released security updates to address vulnerabilities in multiple Cisco products that could be exploited by an attacker to log in as a root user and take control of vulnerable systems. Tracked as CVE-2021-40119, the vulnerability has been rated 9.8 in severity out of a maximum of 10 on the CVSS scoring system and stems from a weakness in the SSH authentication mechanism of Cisco Policy Suite.
Cisco Systems has released security updates to address vulnerabilities in multiple Cisco products that could be exploited by an attacker to log in as a root user and take control of vulnerable systems. Tracked as CVE-2021-40119, the vulnerability has been rated 9.8 in severity out of a maximum of 10 on the CVSS scoring system and stems from a weakness in the SSH authentication mechanism of Cisco Policy Suite.
Cisco has released security updates to address critical security flaws allowing unauthenticated attackers to log in using hard-coded credentials or default SSH keys to take over unpatched devices. "A vulnerability in the Telnet service of Cisco Catalyst PON Series Switches ONT could allow an unauthenticated, remote attacker to log in to the affected device by using a debugging account that has a default, static password," the company explains in an advisory published yesterday.
Switching the SSH listening port is an easy way to help secure remote login on your Linux servers. SSH has a lot of tricks up its sleeve for security, one of which is to configure the service to use a non-standard port.
Code hosting platform GitHub has revoked weak SSH authentication keys that were generated via the GitKraken git GUI client due to a vulnerability in a third-party library that increased the likelihood of duplicated SSH keys. As an added precautionary measure, the Microsoft-owned company also said it's building safeguards to prevent vulnerable versions of GitKraken from adding newly generated weak keys.