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A nation-state-linked hacking group has found a clever way to hide its malicious activity inside Microsoft Outlook mailboxes, making its attacks much harder to detect by standard security tools. The Harvester APT group, believed to be a nation-state-backed threat actor …

Microsoft is set to introduce Efficiency Mode in Microsoft Teams, a performance-enhancing feature designed to improve app responsiveness and meeting quality on hardware-constrained devices. The rollout begins in early May 2026 and is expected to be completed by mid-May 2026, …

Web infrastructure platform Vercel has disclosed a significant security incident involving unauthorized access to internal systems, tracing the attack chain back to a compromise of Context.ai, a third-party AI productivity tool used by one of its employees. Vercel first published …

A sophisticated cyberattack campaign linked to the well-known threat group Tropic Trooper has recently surfaced, leveraging military-themed document lures to target Chinese-speaking individuals in Taiwan, along with individuals in South Korea and Japan. The campaign was discovered on March 12, …

A high-severity privilege escalation vulnerability, dubbed Pack2TheRoot (CVE-2026-41651, CVSS 3.1: 8.8), has been publicly disclosed by Deutsche Telekom’s Red Team, affecting multiple major Linux distributions in their default installations. The flaw allows any local unprivileged user to silently install or …

Apple released iOS 26.4.2 and iPadOS 26.4.2 on April 22, 2026, to patch a critical notification privacy vulnerability that allowed law enforcement to extract Signal message content from iPhones — even after the app had been deleted. The flaw, tracked …

A significant supply chain attack targeting the official checkmarx/kics Docker Hub repository, where threat actors pushed trojanized images capable of harvesting and exfiltrating sensitive developer credentials and infrastructure secrets. Docker’s internal monitoring flagged suspicious activity around KICS image tags on …

A large-scale malware distribution campaign has been uncovered involving 109 fake GitHub repositories that were used to trick users into downloading two dangerous malware tools named SmartLoader and StealC. The campaign was carefully built around cloned versions of legitimate open-source …

Cybercriminals are now using Google’s own advertising platform to steal cryptocurrency from unsuspecting users. They place fake ads that look exactly like real links to popular crypto applications, and when users click on them, they land on websites designed to …

Organized fraud networks are now using a new method to move stolen money in France. They create fake business accounts on freelancer fintech platforms and use those accounts as mule accounts to launder funds quickly, often before anyone can trace …