There's a security flaw in the Amazon WorkSpaces client for Linux that affects versions 2023.0 to 2024.8. This flaw can allow local users to access another user's authentication token, potentially giving them access to their WorkSpace. To fix this, users should upgrade to version 2025.0 or later.

Fail2Ban monitors log files for failed login attempts and bans offending IP addresses by updating firewall rules. It supports both IPv4 and IPv6 and can be configured for various services. While it helps reduce unauthorized access, it’s best used alongside stronger authentication methods like two-factor authentication.

A new Linux malware called "Plague" has been discovered, allowing attackers persistent SSH access while evading traditional detection methods for over a year. It employs advanced obfuscation techniques and environment tampering to eliminate traces of malicious activity, making it particularly difficult to identify and analyze. Researchers emphasize its sophisticated nature and the ongoing threat it poses to Linux systems.