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Bleeping Computer
The Aisuru/Kimwolf botnet launched a new massive distributed denial of service (DDoS) attack in December 2025, peaking at 31.4 Tbps and 200 million requests per second. [...]
The Register
Close call after an apparently deliberate attempt to starve a country of energy at the worst time Cybersecurity experts involved in the cleanup of the cyberattacks on Poland's power network say the consequences could have been lethal.…
Bleeping Computer
A prolific initial access broker tracked as TA584 has been observed using the Tsundere Bot alongside XWorm remote access trojan to gain network access that could lead to ransomware attacks. [...]
Bleeping Computer
The coordinated attack on Poland's power grid in late December targeted multiple distributed energy resource (DER) sites across the country, including combined heat and power (CHP) facilities and wind and solar dispatch systems. [...]
Bleeping Computer
Two vulnerabilities in the n8n workflow automation platform could allow attackers to fully compromise affected instances, access sensitive data, and execute arbitrary code on the underlying host. [...]
Dark Reading
In two separate campaigns, attackers used the JScript C2 framework to target Chinese gambling websites and Asian government entities with new backdoors.
The Hacker News
The "coordinated" cyber attack targeting multiple sites across the Polish power grid has been attributed with medium confidence to a Russian state-sponsored hacking crew known as ELECTRUM. Operational technology (OT) cybersecurity company Dragos, in a new intelligence brief published Tuesday, described the late December 2025 activity as the first major cyber attack targeting distributed energy
Dark Reading
The region is up against tactics like data-leak extortion, credential-stealing campaigns, edge-device exploitation, and attackers leveraging AI.
The Hacker News
Threat actors with ties to China have been observed using an updated version of a backdoor called COOLCLIENT in cyber espionage attacks in 2025 to facilitate comprehensive data theft from infected endpoints. The activity has been attributed to Mustang Panda (aka Earth Preta, Fireant, HoneyMyte, Polaris, and Twill Typhoon) with the intrusions primarily directed against government entities located
Dark Reading
While telnet is considered obsolete, the network protocol is still used by hundreds of thousands of legacy systems and IoT devices for remote access.