Latest Cybersecurity News and Articles

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CISA 2015 Closes in on Expiration, Security Leaders Share Concerns

What happens if the Cybersecurity Information Sharing Act of 2015 expires? Security leaders share their concerns. 

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CISA Warns of Two Malware Strains Exploiting Ivanti EPMM CVE-2025-4427 and CVE-2025-4428

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday released details of two sets of malware that were discovered in an unnamed organization's network following the exploitation of security flaws in Ivanti Endpoint Manager Mobile (EPMM). "Each set contains loaders for malicious listeners that enable cyber threat actors to run arbitrary code on the compromised server,"

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ChatGPT Deep Research Targeted in Server-Side Data Theft Attack

OpenAI has fixed this zero-click attack method called by researchers ShadowLeak. The post ChatGPT Deep Research Targeted in Server-Side Data Theft Attack appeared first on SecurityWeek.

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SonicWall Urges Password Resets After Cloud Backup Breach Affecting Under 5% of Customers

SonicWall is urging customers to reset credentials after their firewall configuration backup files were exposed in a security breach impacting MySonicWall accounts. The company said it recently detected suspicious activity targeting the cloud backup service for firewalls, and that unknown threat actors accessed backup firewall preference files stored in the cloud for less than 5% of its

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CountLoader Broadens Russian Ransomware Operations With Multi-Version Malware Loader

Cybersecurity researchers have discovered a new malware loader codenamed CountLoader that has been put to use by Russian ransomware gangs to deliver post-exploitation tools like Cobalt Strike and AdaptixC2, and a remote access trojan known as PureHVNC RAT. "CountLoader is being used either as part of an Initial Access Broker's (IAB) toolset or by a ransomware affiliate with ties to the LockBit,

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Tiffany Data Breach Impacts Thousands of Customers

The high-end jewelry retailer is informing customers in the United States and Canada that hackers accessed information related to gift cards. The post Tiffany Data Breach Impacts Thousands of Customers appeared first on SecurityWeek.

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SilentSync RAT Delivered via Two Malicious PyPI Packages Targeting Python Developers

Cybersecurity researchers have discovered two new malicious packages in the Python Package Index (PyPI) repository that are designed to deliver a remote access trojan called SilentSync on Windows systems. "SilentSync is capable of remote command execution, file exfiltration, and screen capturing," Zscaler ThreatLabz's Manisha Ramcharan Prajapati and Satyam Singh said. "SilentSync also extracts

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How CISOs Can Drive Effective AI Governance

AI’s growing role in enterprise environments has heightened the urgency for Chief Information Security Officers (CISOs) to drive effective AI governance. When it comes to any emerging technology, governance is hard – but effective governance is even harder. The first instinct for most organizations is to respond with rigid policies. Write a policy document, circulate a set of restrictions, and

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Threat Actor Infests Hotels With New RAT

RevengeHotels has been targeting hotels in Brazil and Spanish-speaking regions with VenomRAT implants in 2025. The post Threat Actor Infests Hotels With New RAT appeared first on SecurityWeek.

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SonicWall Prompts Password Resets After Hackers Obtain Firewall Configurations

The company sent a new preferences file to less than 5% of customers, urging them to import it into firewalls and reset their passwords. The post SonicWall Prompts Password Resets After Hackers Obtain Firewall Configurations appeared first on SecurityWeek.

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Nearly 250,000 Impacted by Data Breach at Medical Associates of Brevard 

The BianLian ransomware group took credit for the cyberattack on the healthcare organization in January 2025.  The post Nearly 250,000 Impacted by Data Breach at Medical Associates of Brevard  appeared first on SecurityWeek.

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Israeli Cyber Fund Glilot Capital Raises $500 Million

The top-performing venture fund heavily invests in startups building cybersecurity, AI, and enterprise software. The post Israeli Cyber Fund Glilot Capital Raises $500 Million appeared first on SecurityWeek.

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Chrome 140 Update Patches Sixth Zero-Day of 2025

An exploited type confusion in the V8 JavaScript engine tracked as CVE-2025-10585 was found by Google Threat Analysis Group this week. The post Chrome 140 Update Patches Sixth Zero-Day of 2025 appeared first on SecurityWeek.

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Insight Partners Confirms Data Breach Result of Ransomware Attack

Venture capital firm Insight Partners says the data breach disclosed in February 2025 impacts over 12,000 people. The post Insight Partners Confirms Data Breach Result of Ransomware Attack appeared first on SecurityWeek.

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Google Patches Chrome Zero-Day CVE-2025-10585 as Active V8 Exploit Threatens Millions

Google on Wednesday released security updates for the Chrome web browser to address four vulnerabilities, including one that it said has been exploited in the wild. The zero-day vulnerability in question is CVE-2025-10585, which has been described as a type confusion issue in the V8 JavaScript and WebAssembly engine. Type confusion vulnerabilities can have severe consequences as they can be

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TA558 Uses AI-Generated Scripts to Deploy Venom RAT in Brazil Hotel Attacks

The threat actor known as TA558 has been attributed to a fresh set of attacks delivering various remote access trojans (RATs) like Venom RAT to breach hotels in Brazil and Spanish-speaking markets. Russian cybersecurity vendor Kaspersky is tracking the activity, observed in summer 2025, to a cluster it tracks as RevengeHotels. "The threat actors continue to employ phishing emails with invoice

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Virtual Event Today: Attack Surface Management Summit

SecurityWeek's Attack Surface Management Virtual Summit is now LIVE and runs today from 11AM – 4PM ET. The post Virtual Event Today: Attack Surface Management Summit appeared first on SecurityWeek.

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Irregular Raises $80 Million for AI Security Testing Lab

Irregular is testing the cybersecurity capabilities of AI models, including Anthropic’s Claude and OpenAI’s ChatGPT. The post Irregular Raises $80 Million for AI Security Testing Lab appeared first on SecurityWeek.

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RegScale Raises $30 Million for GRC Platform

RegScale has raised a total of more than $50 million, with the latest investment being used to enhance its platform and expand. The post RegScale Raises $30 Million for GRC Platform appeared first on SecurityWeek.

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Details Emerge on Chinese Hacking Operation Impersonating US Lawmaker

The campaign targeted US government, think tank, and academic entities involved in US-China relations, international trade, and economic policy. The post Details Emerge on Chinese Hacking Operation Impersonating US Lawmaker appeared first on SecurityWeek.