The Dutch National Police and the country’s National Cyber Security Center (NCSC) have taken offline 200 servers controlling a botnet of 17 million devices, the law enforcement agency announced on Thursday. The investigation was launched after the NCSC received a…
Category: Help Net Security
New infostealer reaches enterprise devices through FortiClient EMS vulnerability
Attackers are delivering a broad-spectrum infostealer to enterprise computers by exploiting a known vulnerability (CVE-2026-35616) in FortiClient Enterprise Management Server (EMS). “The [malicious] payload was presented as a Fortinet endpoint update and executed through FortiClient-managed VPN scripting workflows,” Arctic Wold…
Websites can spy on user activity by analyzing SSD behavior
Websites have spent years collecting information about visitors through browser fingerprinting, tracking scripts, and other techniques designed to identify devices and monitor behavior. Researchers have demonstrated another method that relies on something most users would never expect a website to…
LinkedIn-themed phishing abuses Adobe’s A/B testing platform
A newly documented phishing campaign is targeting professionals with fake LinkedIn business emails and abusing a trusted service operated by Adobe. The attack from the victim’s perspective The attack starts with an email that looks, at first glance, like a…
Microsoft 365 Copilot redesign brings context and actions into one workspace
Microsoft 365 Copilot, an AI assistant that helps people write, summarize, analyze information, and complete work tasks, has been redesigned. It now serves as a single, flexible entry point to Copilot across Microsoft 365 apps, suggesting relevant actions based on…
Anthropic launches Claude Opus 4.8, prepares Mythos-class models for all customers
Anthropic has released Claude Opus 4.8 and outlined plans for broader access to its Mythos-class models, which the company expects to make available to all customers in the coming weeks. Claude Opus 4.8 (Source: Anthropic) Claude Opus 4.8 is available…
Humanix expands detection to identify live violations of security procedures
Humanix has announced a capability to identify live violations of organization-defined procedures governing IT support workflows. Designed to prevent unauthorized access, these procedures typically require help desk and service desk agents to follow identity verification steps before fulfilling sensitive requests,…
Claroty targets cyber-physical system risks with AI-powered security agent
Claroty has launched Claroty Claire, a CPS-native AI security agent designed to help organizations defend mission-critical infrastructure. Claire is powered by a CPS language model trained on more than a decade of industry expertise and CPS-related data. The launch expands…
Netskope extends data localization capabilities with NewEdge updates
Netskope has enhanced its NewEdge Network infrastructure, expanding data sovereignty capabilities to more regions than any other SASE cloud provider. The NewEdge Network architecture provides national data localization features that address requirements for network transport, data processing, and metadata governance…
The behavioral signals that sharpen Trojan malware detection
Malware analysts spend a lot of time deciding which signals from a sandbox run are worth keeping. A sample executed in a controlled environment can generate hundreds of measurable attributes covering file structure, registry edits, process behavior, and network traffic.…
Product showcase: TotalAV helps iOS users clean up their digital mess
TotalAV Mobile Security helps protect devices from malicious websites, SMS scams, unsafe public Wi-Fi networks, and exposed credentials. The app is available for Windows, Android, macOS, and iOS devices. After downloading the app from the App Store, users provide an…
New infosec products of the month: May 2026
Here’s a look at the most interesting products from the past month, featuring releases from Alation, AppOmni, Apricorn, ASAPP, Babel Street, Checksum, Cogent, CTERA, Forward, LastPass, Operant AI, Riverbed, Sysdig, Trust3 AI, TrustCloud, VIAVI, Versa Networks, and XM Cyber. Operant…
Building a risk-based vulnerability management program that scales
In this Help Net Security video, Shankar Somasundaram, CEO at Asimily, explains how to build a risk-based vulnerability program. He notes that vulnerabilities are exploding by an order of magnitude in the age of AI-driven attacks, with one customer finding…
IBM and Red Hat are betting $5 billion that open source needs a security guard
IBM and Red Hat announced Project Lightwell, a $5 billion commitment backed by new frontier AI capabilities and a global force of more than 20,000 engineers to help enterprises secure open source software. Together, these investments establish a new model…
Microsoft’s Copilot trust test: Zero findings, more models, wider oversight
Microsoft 365 Copilot and Copilot Chat (Copilot) have been recertified under ISO/IEC 42001:2023 by an independent auditor for the second consecutive year. Copilot first received ISO 42001 certification in March 2025. This year’s recertification recorded zero non-conformities and zero improvement…
Cybercriminals sail away with data from 6 million Carnival customers
Carnival Corporation, one of the world’s largest cruise operators, confirmed a data breach weeks after the ShinyHunters hacking group claimed it had stolen millions of customer records. Carnival acknowledged a phishing incident involving a single employee account and stated that…
Microsoft’s Copilot trust test: zero findings, more models, wider oversight
Microsoft 365 Copilot and Copilot Chat (Copilot) have been recertified under ISO/IEC 42001:2023 by an independent auditor for the second consecutive year. Copilot first received ISO 42001 certification in March 2025. This year’s recertification recorded zero non-conformities and zero improvement…
Zapier exploit chain shows how known anti-patterns compose into critical risk
A five-stage exploit chain disclosed by Token Security researchers turned a free Zapier account into write access on Zapier’s public developer SDK packages and on internal packages that load in every authenticated zapier.com session. Each link in the chain was…
Microsoft’s new cloud PCs place AI agents under enterprise controls
Microsoft’s Windows 365 for Agents, a cloud PC platform for agentic workloads, runs AI agents in secure environments. Organizations can direct agents with natural language to interact with applications, browsers, files, and enterprise systems. The platform is available in public…
A single typo could derail your World Cup plans
Cybercriminals are spoofing Fédération Internationale de Football Association (FIFA) websites ahead of the 2026 FIFA World Cup, the FBI warns. The attackers are registering lookalike domains with small spelling changes or different domain endings to impersonate FIFA websites and services.…