Latest Cybersecurity News and Articles


Malicious NuGet Packages Stole ASP.NET Data; npm Package Dropped Malware

25 February 2026
Cybersecurity researchers have discovered four malicious NuGet packages that are designed to target ASP.NET web application developers to steal sensitive data. The campaign, discovered by Socket, exfiltrates ASP.NET Identity data, including user accounts, role assignments, and permission mappings, as well as manipulates authorization rules to create persistent backdoors in victim applications.

Over 12 Million Users Impacted by CarGurus Data Breach

25 February 2026
Hackers claim to have stolen personally identifiable information and internal corporate data from the automotive firm. The post Over 12 Million Users Impacted by CarGurus Data Breach appeared first on SecurityWeek.

SecurityWeek Report: 426 Cybersecurity M&A Deals Announced in 2025

25 February 2026
SecurityWeek’s M&A data indicates that today's market is more disciplined, and it seems to favor GRC, data protection, and identity. The post SecurityWeek Report: 426 Cybersecurity M&A Deals Announced in 2025 appeared first on SecurityWeek.

Wynn Resorts Confirms Data Breach After Hackers Remove It From Leak Site

25 February 2026
The high-end casino and hotel operator has admitted that employee data was stolen by ShinyHunters. The post Wynn Resorts Confirms Data Breach After Hackers Remove It From Leak Site appeared first on SecurityWeek.

Manual Processes Are Putting National Security at Risk

25 February 2026
Why automating sensitive data transfers is now a mission-critical priority More than half of national security organizations still rely on manual processes to transfer sensitive data, according to The CYBER360: Defending the Digital Battlespace report. This should alarm every defense and government leader because manual handling of sensitive data is not just inefficient, it is a systemic

Astelia Raises $35 Million for Exposure Management

25 February 2026
The company will expand its AI-based analysis capabilities, grow its employee base, and scale deployments. The post Astelia Raises $35 Million for Exposure Management appeared first on SecurityWeek.

Reddit Hit With $20 Million UK Data Privacy Fine Over Child Safety Failings

25 February 2026
Britain’s data privacy watchdog slapped online forum Reddit on Tuesday with a fine worth nearly $20 million for failures involving children’s personal information. The post Reddit Hit With $20 Million UK Data Privacy Fine Over Child Safety Failings appeared first on SecurityWeek.

Claude’s New AI Vulnerability Scanner Sends Cybersecurity Shares Plunging

25 February 2026
The stocks of major cybersecurity companies have fallen sharply over fears that AI is disrupting the industry. The post Claude’s New AI Vulnerability Scanner Sends Cybersecurity Shares Plunging appeared first on SecurityWeek.

Defense Contractor Employee Jailed for Selling 8 Zero-Days to Russian Broker

25 February 2026
A 39-year-old Australian national who was previously employed at U.S. defense contractor L3Harris has been sentenced to a little over seven years in prison for selling eight zero-day exploits to Russian exploit broker Operation Zero in exchange for millions of dollars. Peter Williams pleaded guilty to two counts of theft of trade secrets in October 2025. In addition to the jail term, Williams

Ad Tech Company Optimizely Targeted in Cyberattack

25 February 2026
The company says the attackers accessed internal business systems such as Zendesk and Salesforce. The post Ad Tech Company Optimizely Targeted in Cyberattack appeared first on SecurityWeek.

SolarWinds Patches 4 Critical Serv-U 15.5 Flaws Allowing Root Code Execution

25 February 2026
SolarWinds has released updates to address four critical security flaws in its Serv-U file transfer software that, if successfully exploited, could result in remote code execution. The vulnerabilities, all rated 9.1 on the CVSS scoring system, are listed below - CVE-2025-40538 - A broken access control vulnerability that allows an attacker to create a system admin user and execute arbitrary

CISA Confirms Active Exploitation of FileZen CVE-2026-25108 Vulnerability

25 February 2026
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a recently disclosed vulnerability in FileZen to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2026-25108 (CVSS v4 score: 8.7), is a case of operating system (OS) command injection that could allow an authenticated user to execute

RoguePilot Flaw in GitHub Codespaces Enabled Copilot to Leak GITHUB_TOKEN

24 February 2026
A vulnerability in GitHub Codespaces could have been exploited by bad actors to seize control of repositories by injecting malicious Copilot instructions in a GitHub issue. The artificial intelligence (AI)-driven vulnerability has been codenamed RoguePilot by Orca Security. It has since been patched by Microsoft following responsible disclosure. "Attackers can craft hidden instructions inside a

‘Arkanix Stealer’ Malware Disappears Shortly After Debut

24 February 2026
Written in C++ and Python, the malware exfiltrates system information, browser data, and steals files. The post ‘Arkanix Stealer’ Malware Disappears Shortly After Debut appeared first on SecurityWeek.

VMware Aria Operations Vulnerability Could Allow Remote Code Execution

24 February 2026
Broadcom has patched several vulnerabilities in VMware Aria Operations, including high-severity flaws. The post VMware Aria Operations Vulnerability Could Allow Remote Code Execution appeared first on SecurityWeek.

UAC-0050 Targets European Financial Institution With Spoofed Domain and RMS Malware

24 February 2026
A Russia-aligned threat actor has been observed targeting a European financial institution as part of a social engineering attack to likely facilitate intelligence gathering or financial theft, signaling a possible expansion of the threat actor's targeting beyond Ukraine and into entities supporting the war-torn nation. The activity, which targeted an unnamed entity involved in regional

CISO Conversations: Timothy Youngblood; 4x Fortune 500 CISO/CSO

24 February 2026
Timothy Youngblood was CISO at Dell, CISO at Kimberley-Clark, VP & CISO at McDonald’s, and SVP, CSO & Product Security Officer at T-Mobile. The post CISO Conversations: Timothy Youngblood; 4x Fortune 500 CISO/CSO appeared first on SecurityWeek.

New ‘Sandworm_Mode’ Supply Chain Attack Hits NPM

24 February 2026
The malicious code propagates like a worm, poisons AI assistants, exfiltrates secrets, and contains a destructive dead switch. The post New ‘Sandworm_Mode’ Supply Chain Attack Hits NPM appeared first on SecurityWeek.

GitHub Issues Abused in Copilot Attack Leading to Repository Takeover

24 February 2026
Attackers can inject malicious instructions in a GitHub Issue that are automatically processed by Copilot when launching a Codespace from that issue. The post GitHub Issues Abused in Copilot Attack Leading to Repository Takeover appeared first on SecurityWeek.

Taiwan Security Firm Confirms Flaw Flagged by CISA Likely Exploited by Chinese APTs

24 February 2026
The vulnerability in TeamT5 ThreatSonar Anti-Ransomware was recently added to CISA’s KEV catalog. The post Taiwan Security Firm Confirms Flaw Flagged by CISA Likely Exploited by Chinese APTs appeared first on SecurityWeek.