Infostealers can expose far more than passwords, including authenticated sessions that may let attackers bypass MFA. Flare explains how defenders can prioritize compromised identities, determine whether stolen access is still usable, and respond before it leads to account takeover. [...]
Malware
The Austin-based company will invest in agentic runtime security capabilities to secure AI coding agents. The post HiddenLayer Raises $100 Million for AI Runtime Security appeared first on SecurityWeek.
Microsoft has confirmed that desktop settings are lost or reset on some Windows devices after installing the KB5120998 August 2026 preview update. [...]
The startup’s firewall evaluates AI skills, plugins and MCP servers for malicious instructions, excessive permissions and software supply chain risks. The post AI Agent Firewall Startup AIR Security Emerges From Stealth With $50 Million appeared first on SecurityWeek.
Supply chain
Brazil's most sophisticated threat group is making light work of the country's financial systems, putting money directly into its own pocket.
An RMM phishing campaign initially associated with Canadian targeting due to its use of Canada Revenue Agency (CRA) tax forms as lures has turned out to be part of a broader campaign spanning 46 countries. Around 45% of observed activity was associated with the United States, making it the campaign's top geographic target. ANY.RUN research connected 601 c...
Plex urged users this week to update their desktop clients and media servers immediately to patch multiple security vulnerabilities. [...]
Cybercriminals are offering digital scans of US and Canadian driver’s licenses, likely stolen from IDScan.net. The post 153 Million Driver License Images Offered on Dark Web appeared first on SecurityWeek.
Threat actors are leveraging the trusted Node.js JavaScript runtime in multiple cyber attacks as a way to deploy malicious payloads. According to a new report published by the Symantec Threat Hunter Team today, the attack method has been put to use in attacks targeting government departments, technology companies, and hotels since February 2026. "The tech...
Malware
The high-severity SQL injection flaw (CVE-2026-19949) could allow unauthenticated attackers to achieve remote code execution. The post Over 3 Million WordPress Sites Affected by Migration Plugin Vulnerability appeared first on SecurityWeek.
In early August, GitGuardian researchers found that a recent Shai-Hulud infostealer worm variant had evolved to scan for credentials across 469 locations across developer environments, Continuous Integration/Continuous Deployment (CI/CD) tooling, cloud configurations, and even AI tool configs. Earlier variants of the infostealer worm only checked 189 path...
Malware
Publicly disclosed S/MIME flaws could expose encrypted email content, while critical IOS XR and Nexus bugs could enable remote code execution and authentication bypass. The post Cisco Warns of Unpatched Secure Email Flaws, Patches Critical Switch Vulnerabilities appeared first on SecurityWeek.
Critical
Microsoft is working to fix a known issue that causes crashes and launch failures for Microsoft Teams and New Outlook users after installing updates released since the August 2026 Patch Tuesday. [...]
The iPhone belonging to a member of Serbia's student protest movement was infected with NSO Group's Pegasus spyware, according to new findings from the Citizen Lab in collaboration with the SHARE Foundation. "Our analysis confirmed that an iMessage zero-click exploit was used to infect the device with NSO Group's Pegasus spyware," the Citizen Lab said. "W...
The security researcher known as Chaotic Eclipse (aka INFINITE NIGHTMARE, MSNightmare, and Nightmare-Eclipse) has dropped a new zero-day dubbed FalconFlank, a proof-of-concept (PoC) for a privilege escalation flaw impacting Crowdstrike Falcon. "FalconFlank is a 0-day privilege escalation that abuses the office malicious macros remediation in CrowdStrike F...
Zero-dayProof of concept
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added seven security flaws to its Known Exploited Vulnerabilities (KEV) catalog after they landed in attackers' crosshairs. The vulnerabilities are as follows - CVE-2026-83548 (CVSS score: 10.0) - A server-side request forgery vulnerability in SonicWall SMA 1000 Appliances that ...
New research suggests the coming Vulnpocalypse may not be so overwhelming for enterprise security teams - if they have the right strategies.
Attackers are actively exploiting CVE-2026-9586, an unauthenticated SQL injection vulnerability in the Sangoma Switchvox VoIP platform that can lead to remote code execution. [...]