Versa has introduced a patent-pending zero trust architecture for the Model Context Protocol (MCP), applying zero trust principles to AI execution. The company said every AI-generated action is validated against user identity, role-based access controls, and system policies before execution,…
Tag: Help Net Security
Suspected KimWolf botnet admin arrested over DDoS-for-hire operation
U.S. and Canadian authorities arrested and charged a Canadian man accused of operating the KimWolf DDoS botnet, a service linked to attacks that infected more than one million devices worldwide. Jacob Butler, 23, of Ottawa, Canada, also known online as…
Keepnet contributes voice and SMS phishing data to the 2026 Verizon DBIR
Keepnet, an Extended Human Risk Management (xHRM) platform, today announced that its voice and SMS phishing simulation data contributed to the 2026 Verizon Data Breach Investigations Report (DBIR). The 2026 edition is the first to include voice and SMS phishing…
CISA’s new KEV nomination form opens reporting to vendors and researchers
The Cybersecurity and Infrastructure Security Agency launched a new nomination form that lets researchers, vendors, and industry partners report known exploited vulnerabilities for possible inclusion in its KEV catalog. The form gives outside contributors a direct way to submit vulnerabilities…
Meet Fractal, an OS made for microarchitecture reverse engineering
Probing how a CPU isolates user code from kernel code is messy work. Researchers patch kernels, write drivers, or boot stripped-down bare-metal programs, and any of those choices change variables they were trying to hold still. Fractal, a new operating…
Microsoft 365 users targeted by new phishing threat that bypasses MFA
Microsoft 365 access tokens are being targeted by an emerging Phishing-as-a-Service (PhaaS) platform called Kali365, the FBI is warning. First observed in April 2026, Kali365 has been distributed through Telegram, allowing cybercriminals to obtain Microsoft 365 access tokens and bypass…
Downtime has become a $600 billion business problem
The average cost of downtime has reached $600 billion for the Global 2000, a 50% increase in two years. According to Splunk’s The Hidden Costs of Downtime report, unplanned outages and service degradation cost each company an average of $300…
The new economics of fraud: Cheaper, faster, more convincing
Scams have become one of the fastest-growing consumer risks, driven by AI-enabled impersonation, social engineering, and sophisticated attack methods, according to Visa’s Spring 2026 Biannual Threats Report. Criminals redirect efforts toward trust and third parties Fraud involves behavioral manipulation, fragmented…
New infosec products of the week: May 22, 2026
Here’s a look at the most interesting products from the past week, featuring releases from ASAPP, Babel Street, CTERA, Forward, Riverbed, and Trust3 AI. Babel Street targets AI-driven threats with new agentic investigation capabilities Babel Street has launched Insights Investigator,…
Microsoft open-sources tools for designing and testing AI agents
Microsoft has open-sourced two tools aimed at bringing security discipline to AI agent development: Clarity, a structured design review tool, and RAMPART, a continuous testing framework. The release comes from Microsoft’s AI Red Team, the company’s internal unit that stress-tests…
Authorities dismantle First VPN, used by ransomware actors
First VPN, a virtual private network service marketed to cybercriminals, promising anonymity for its users, was taken offline on May 19 and 20 as part of Operation Saffron. During the operation, French and Dutch authorities, with support from Europol and…
GitHub, Grafana Labs breaches traced back to TanStack supply chain compromise
GitHub CISO Alexis Wales has named the malicious VS Code extension behind the breach they suffered at the hands of the threat group TeamPCP: Nx Console, a popular developer tool with 2.2 million installs. A malicious version of the otherwise…
Microsoft Defender vulnerabilities exploited in the wild (CVE-2026-41091, CVE-2026-45498)
Attackers are exploiting two Microsoft Defender vulnerabilities (CVE-2026-41091 and CVE-2026-45498), Microsoft acknowledged and CISA confirmed by adding them to its Known Exploited Vulnerabilities catalog. The vulnerabilities CVE-2026-41091 allows for local privilege elevation (LPE), and is caused by the Microsoft Malware…
Tenable Hexa AI automates remediation across attack surfaces
Tenable has announced the general availability of Tenable Hexa AI, the agentic AI engine of the Tenable One Exposure Management Platform. Tenable Hexa AI is an advanced agentic AI for cybersecurity solution, equipped with advanced multi-step reasoning and Model Context…
ASAPP expands adversarial testing for enterprise AI systems
ASAPP has launches Continuous Red Teaming, a new capability that integrates adversarial AI testing directly into ASAPP’s model evaluation framework. The new capability is built on Promptfoo, an AI security platform that helps enterprises detect and address vulnerabilities in AI…
Virtru centers file collaboration around data-level protection
Virtru unveiled Virtru Collaborate, a new offering that eliminates that tradeoff, a FedRAMP authorized space where sensitive files are encrypted and protected by the Trusted Data Format (TDF), and where that protection travels seamlessly with the data as teams work…
Forward launches Predict to test network changes before deployment
Forward has unveiled Forward Predict, a new capability that allows organizations to evaluate the impact of network changes before deployment. By testing proposed changes against a digital twin of the production network, Forward Predict helps identify potential issues before they…
Riverbed introduces new Aternity tools for autonomous IT operations
Riverbed has announced new capabilities for Aternity designed to support autonomous IT operations for digital experience management. The updates help digital workplace teams move toward prevention-focused operations through broader visibility, context-aware intelligence, and governance controls that support automated workflows. Organizations…
Terra adds continuous network exploitation validation to its platform
Terra Security has announced the public preview of continuous exploitation validation for network infrastructure, now available to all customers through the Terra Platform. The launch expands Terra’s offensive security capabilities from web applications to network infrastructure and extends coverage across…
CTERA brings AI insights and automation for unstructured data
CTERA has announced the launch of CTERA InsightAI, an agentic AI intelligence layer for the CTERA Intelligent Data Platform. The new capability is designed to help enterprises understand, manage, secure, and optimize unstructured data environments. CTERA InsightAI adds AI-driven insights…