Geek-Guy.com

Tag: leveraged

Microsoft Details Phishing Campaign Targeting 35,000 Users Across 26 Countries

Microsoft has disclosed details of a large-scale credential theft campaign that has leveraged a combination of code of conduct-themed lures and legitimate email services to direct users to attacker-controlled domains and steal authentication tokens. The multi-stage campaign, observed between April 14 and 16, 2026, targeted more than 35,000 users across over 13,000 organizations in 26…

Fortinet fixes critical FortiSandbox vulnerabilities (CVE-2026-39813, CVE-2026-39808)

Two vulnerabilities (CVE-2026-39813, CVE-2026-39808) in FortiSandbox could be leveraged by unauthenticated attackers to bypass authentication and execute unauthorized code or commands on vulnerable systems. Both vulnerabilities can be triggered with a specially crafted HTTP request, putting unpatched FortiSandbox deployments at risk. About FortiSandbox FortiSandbox is Fortinet’s security solution for detecting and analyzing advanced threats. It…

Testing reveals Claude Mythos’s offensive capabilities and limits

Could Claude Mythos Preview, Anthropic’s latest large language model, be leveraged for fully automated cyber attacks? The UK government’s AI Security Institute (AISI) tested its capability to successfully engage in capture-the-flag (CTF) challenges and multi-step attack scenarios, and found that that while its cybersecurity capabilities exceed those of previously available models, it can’t reliably execute…

TrueConf zero-day vulnerability exploited to target government networks

Suspected China-nexus attackers have leveraged a zero-day vulnerability (CVE-2026-3502) in the TrueConf client application to distribute malware within government networks in Southeast Asia, Check Point researchers discovered. Malicious client update attack chain (Source: Check Point) Trusted update mechanism turned into attack vector TrueConf is a videoconferencing platform designed to run on private local networks (LANs)…

Microsoft Warns of WhatsApp-Delivered VBS Malware Hijacking Windows via UAC Bypass

Microsoft is calling attention to a new campaign that has leveraged WhatsApp messages to distribute malicious Visual Basic Script (VBS) files. The activity, beginning in late February 2026, leverages these scripts to initiate a multi-stage infection chain for establishing persistence and enabling remote access. It’s currently not known what lures the threat actors use to…

DeepLoad Malware Uses ClickFix and WMI Persistence to Steal Browser Credentials

A new campaign has leveraged the ClickFix social engineering tactic as a way to distribute a previously undocumented malware loader referred to as DeepLoad. “It likely uses AI-assisted obfuscation and process injection to evade static scanning, while credential theft starts immediately and captures passwords and sessions even if the primary loader is blocked,” ReliaQuest researchers…

Scammers exploit trust in Atlassian Jira to target organizations

Threat actors have leveraged legitimate email notification feature of Atlassian Jira to deliver localized scam emails at scale. The emails From late December 2025 through late January 2026, victims were targeted with spam emails from legitimate-looking Atlassian Jira Cloud addresses. Organizations already using Jira were specifically targeted: the attackers selected domains known to have active…