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A newly discovered cyber attack campaign has been observed delivering a previously undocumented malware family called SharkLoader that acts as a loader for deploying Cobalt Strike Beacon on compromised hosts. Kaspersky, which is tracking the activity under the moniker StrikeShark, said the campaign has targeted a diplomatic organization in Indonesia, government organizations in Taiwan,

A Chinese-speaking advanced persistent threat (APT) actor has been linked to a new custom backdoor called TinyRCT as part of cyber attacks aimed at government entities and critical infrastructure in Southeast Asia. The activity, particularly aimed at state-owned enterprises in the energy and government sectors, has been attributed to a threat actor called CL-STA-1062, which

The FBI and CISA are warning that a phishing campaign targeting Signal users tied to Russian intelligence services has evolved to steal Signal Backup Recovery Keys, allowing attackers to access victims’ historical messages. […]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is giving federal agencies until Sunday to patch a vulnerability in Cisco Unified Communications Manager Server that is being actively exploited. […]

A flaw in the Linux kernel’s traffic-control subsystem can let a local unprivileged user gain root on affected systems. CVE-2026-46331, nicknamed “pedit COW,” is an out-of-bounds write in the packet-editing action (act_pedit) that corrupts shared page-cache memory. A public, working exploit appeared within a day of the CVE assignment on June 16. Red Hat rates the flaw as

A high-severity flaw in Amazon Q Developer let a malicious repository run commands and steal a developer’s cloud credentials. The path was short: a developer opens the repo, trusts the workspace, and Amazon Q does the rest. Amazon has patched it. Tracked as CVE-2026-12957 (CVSS 8.5), the bug sat in how Amazon’s AI coding assistant handled Model

Polymarket says it will fully reimburse customers who lost an estimated $3 million after hackers injected a malicious script into the platform’s frontend following a breach at a third-party vendor. […]

Threat actors are creating OpenAI tenants that impersonate legitimate companies and inviting employees to join them, in what appears to be a ploy to trick targets into submitting sensitive company information in chats and projects. […]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a critical remote code execution vulnerability impacting PTC Windchill PDMlink and PTC FlexPLM enterprise Product Data Management (PDM) and Product Lifecycle Management (PLM) software to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability in question is

DirtyClone is a new Linux kernel privilege escalation in the DirtyFrag family. JFrog Security Research published a working exploit walkthrough for the flaw on June 25, the first public demonstration for this variant. Tracked as CVE-2026-43503 (CVSS 8.8), it lets a local user corrupt file-backed memory through a cloned network packet and gain root. The patch landed in