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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 routine business inquiry: someone wants to do business with you through LinkedIn and has attached a signed contract for your review. The phishing email (Source: Malwarebytes) The message is short and professional and the sender … More → The post LinkedIn-themed phishing abuses Adobe’s A/B testing platform appeared first on Help Net Security.
http://news.poseidon-us.com/TSmtwn

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 the user’s work. A redesigned interface built around user intent Microsoft applied the design principle of progressive disclosure, allowing users to start with a focused interface that reveals additional capabilities as needed. The left side … More → The post Microsoft 365 Copilot redesign brings context and actions into one workspace appeared first on Help Net Security.
http://news.poseidon-us.com/TSmp5N

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 to all users, with pricing unchanged from Opus 4.7. Anthropic highlighted improvements in model honesty, noting that Opus 4.8 is more likely to acknowledge when it lacks sufficient information and less likely to make unsupported … More → The post Anthropic launches Claude Opus 4.8, prepares Mythos-class models for all customers appeared first on Help Net Security.
http://news.poseidon-us.com/TSmjFc

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 in major regions worldwide, while enabling Netskope to extend this coverage to additional countries. The solution will also offer third-party validation to help customers meet compliance and data localization requirements. A comprehensive approach to data … More → The post Netskope extends data localization capabilities with NewEdge updates appeared first on Help Net Security.
http://news.poseidon-us.com/TSmjFZ

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 organizations’ capabilities for supporting the safety, uptime, and availability of cyber-physical systems. Defending a rapidly expanding attack surface from supercharged threats The rate at which AI is expanding the CPS attack surface requires proactive steps … More → The post Claroty targets cyber-physical system risks with AI-powered security agent appeared first on Help Net Security.
http://news.poseidon-us.com/TSmjFV

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, such as credential resets. Attackers have learned that pressuring agents to bypass these safeguards is among the fastest paths to a breach. “People staffing help desks and service desks are placed in an impossible position. … More → The post Humanix expands detection to identify live violations of security procedures appeared first on Help Net Security.
http://news.poseidon-us.com/TSmjF9

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. Most of those attributes add noise. A recent study works through this problem in detail, and the part that earns attention from working defenders is the feature selection, not the deep learning model attached to … More → The post The behavioral signals that sharpen Trojan malware detection appeared first on Help Net Security.
http://news.poseidon-us.com/TSmcd2

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 email address, select what they want to scan, and start a Smart Scan. The scan reviews device settings, browser protections, breach exposure, and other security-related areas before presenting a summary of the device’s status. The … More → The post Product showcase: TotalAV helps iOS users clean up their digital mess appeared first on Help Net Security.
http://news.poseidon-us.com/TSmcd1

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 a thousand vulnerabilities for every one they knew about. Patching everything is not workable, and relying on CVSS scores fails because two-thirds of published CVEs are marked high risk. Shankar walks through a better approach. … More → The post Building a risk-based vulnerability management program that scales appeared first on Help Net Security.
http://news.poseidon-us.com/TSmccx

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 AI Endpoint Protector secures AI agents and MCP tools Operant AI has launched Operant Endpoint Protector, a new addition to its AI Defense Platform that enables enterprise IT and security teams to discover, detect, and … More → The post New infosec products of the month: May 2026 appeared first on Help Net Security.
http://news.poseidon-us.com/TSmccf