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Bleeping Computer
A newly documented Linux botnet named SSHStalker is using the IRC (Internet Relay Chat) communication protocol for command-and-control (C2) operations. [...]
The Hacker News
Cybersecurity researchers have disclosed details of a new botnet operation called SSHStalker that relies on the Internet Relay Chat (IRC) communication protocol for command-and-control (C2) purposes. "The toolset blends stealth helpers with legacy-era Linux exploitation: Alongside log cleaners (utmp/wtmp/lastlog tampering) and rootkit-class artifacts, the actor keeps a large back-catalog of
Dark Reading
The OPC UA communication protocol is widely used in industrial settings, but despite its complex cryptography, the open source protocol appears to be vulnerable in a number of different ways.
The Hacker News
Cybersecurity researchers have presented new findings related to a now-patched security issue in Microsoft's Windows Remote Procedure Call (RPC) communication protocol that could be abused by an attacker to conduct spoofing attacks and impersonate a known server. The vulnerability, tracked as CVE-2025-49760 (CVSS score: 3.5), has been described by the tech giant as a Windows Storage spoofing bug
The Hacker News
Some of the most devastating cyberattacks don’t rely on brute force, but instead succeed through stealth. These quiet intrusions often go unnoticed until long after the attacker has disappeared. Among the most insidious are man-in-the-middle (MITM) attacks, where criminals exploit weaknesses in communication protocols to silently position themselves between two unsuspecting parties
Bleeping Computer
The Bluetooth Special Interest Group (SIG) has announced Bluetooth Core Specification 6.1, bringing important improvements to the popular wireless communication protocol. [...]
The Hacker News
As many as 10 security flaws have been uncovered in Google's Quick Share data transfer utility for Android and Windows that could be assembled to trigger remote code execution (RCE) chain on systems that have the software installed. "The Quick Share application implements its own specific application-layer communication protocol to support file transfers between nearby, compatible devices,"
Bleeping Computer
The team behind the Matrix open standard and real-time communication protocol has announced the release of its second major version, bringing end-to-end encryption to group VoIP, faster loading times, and more. [...]
Bleeping Computer
The team behind the Matrix open standard and real-time communication protocol has announced the release of its second major version, bringing end-to-end encryption to group VoIP, faster loading times, and more. [...]
Bleeping Computer
Signal has announced that it upgraded its end-to-end communication protocol to use quantum-resistant encryption keys to protect users from future attacks. [...]