The Hacker News

AISURU/Kimwolf Botnet Launches Record-Setting 31.4 Tbps DDoS Attack

The AISURU/Kimwolf botnet has launched a record-setting DDoS attack, peaking at 31.4 Tbps. This attack is part of a significant increase in DDoS activity in 2025, with Cloudflare mitigating over 47.1 million attacks throughout the year.

Microsoft Warns Python Infostealers Target macOS via Fake Ads and Installers

Microsoft has identified a growing threat where Python-based infostealers are targeting macOS environments. These attacks exploit cross-platform capabilities and trusted platforms to distribute malware at scale.

Iran-Linked RedKitten Cyber Campaign Targets Human Rights NGOs and Activists

The RedKitten cyber campaign, attributed to a Farsi-speaking threat actor aligned with Iranian state interests, targets NGOs and individuals documenting human rights abuses in Iran.

Russian ELECTRUM Tied to December 2025 Cyber Attack on Polish Power Grid

A cyber attack on the Polish power grid in December 2025 has been attributed to the Russian state-sponsored group ELECTRUM. The attack targeted operational technology systems managing distributed energy resources.

Fake Moltbot AI Coding Assistant on VS Code Marketplace Drops Malware

A malicious VSCode extension, "ClawdBot Agent - AI Coding Assistant," was identified on the official Extension Marketplace. This extension, posing as a free AI coding assistant for Moltbot, stealthily deploys malware on compromised systems.

Experts Detect Pakistan-Linked Cyber Campaigns Aimed at Indian Government Entities

Two cyber campaigns, Gopher Strike and Sheet Attack, have been identified targeting Indian government entities. These campaigns are linked to a Pakistan-based threat actor and employ sophisticated techniques to compromise systems and exfiltrate data.

Google Gemini Prompt Injection Flaw Exposed Private Calendar Data via Malicious Invites

Cybersecurity researchers have disclosed details of a security flaw that leverages indirect prompt injection targeting Google Gemini as a way to bypass authorization guardrails and use Google Calendar as a data extraction mechanism.

Tudou Guarantee Marketplace Halts Telegram Transactions After Processing Over $12 Billion

A Telegram-based guarantee marketplace known for advertising a broad range of illicit services appears to be winding down its operations. The closure of Tudou is a significant blow to the Southeast Asian scam economy.

New StackWarp Hardware Flaw Breaks AMD SEV-SNP Protections on Zen 1–5 CPUs

A new hardware vulnerability, named StackWarp, has been identified in AMD processors, specifically affecting Zen 1 through Zen 5 models. This flaw allows attackers with privileged control over host servers to execute malicious code within CVMs.

China-Linked APT Exploits Sitecore Zero-Day in Attacks on American Critical Infrastructure

A China-linked advanced persistent threat (APT) group, identified as UAT-8837, has been exploiting a critical zero-day vulnerability in Sitecore (CVE-2025-53690, CVSS score: 9.0) to target critical infrastructure sectors in North America.

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