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Nudge Security adds browser-based discovery for shadow AI agents

Nudge Security announced that its AI security platform offers discovery of shadow AI agents via the browser, extending its agent discovery capabilities to cover platforms that do not provide a public API for agent identity and inventory. The new browser-based agentic AI discovery closes a fundamental gap, where other solutions depend solely on platform APIs that many agent-building tools simply don’t offer yet. The new browser-based discovery finds AI agents built in Airbyte, Atlassian Rovo, … More → The post Nudge Security adds browser-based discovery for shadow AI agents appeared first on Help Net Security.
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Frontier AI models collapse under multi-turn AI attacks, Cisco finds

Attackers who probe large language models rarely give up after one refusal. They reframe, build context across turns, adopt personas, and escalate gradually. New research from Cisco’s AI threat intelligence team finds that the safety benchmarks used across the industry miss almost all of this behavior, and the gap between published scores and observed resilience runs wide enough to misrank leading models. Single-turn versus multi-turn ASR by model, with approximate 95% confidence half-widths on single-turn … More → The post Frontier AI models collapse under multi-turn AI attacks, Cisco finds appeared first on Help Net Security.
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Hottest cybersecurity open-source tools of the month: May 2026

Presented here is a curated selection of noteworthy open-source cybersecurity solutions that have drawn recognition for their ability to enhance security postures across diverse settings. Pipelock: Open-source AI agent firewall AI coding agents run with shell access, environment variables containing API keys, and unrestricted internet connectivity, creating a single point of failure where one compromised tool call can leak credentials to an attacker-controlled domain. Pipelock, an open-source security harness developed by Joshua Waldrep under the … More → The post Hottest cybersecurity open-source tools of the month: May 2026 appeared first on Help Net Security.
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Companies built AI into core systems before figuring out how to govern it

70% of organizations use GenAI in live environments, and 64% have AI agents in pilot or production deployments. Some of those agents have privileged access to core systems, according to Check Point’s 2026 Cloud Security Report. Confirmed and suspected AI incidents (Source: Check Point) Production AI expands the enterprise attack surface Security architectures built around human users and predictable application behavior are struggling with AI systems that rely on APIs, automation, and autonomous actions. More … More → The post Companies built AI into core systems before figuring out how to govern it appeared first on Help Net Security.
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Canonical releases Workshop for one-command sandboxed dev environments on Ubuntu

Canonical released Workshop, a tool that launches sandboxed development environments on Ubuntu with a single command. Environments are configured once and reproduced on different machines, giving teams consistent setups across development workstations and deployment pipelines. A terminal showing the output of the workshop launch and list commands (Source: Canonical) How Workshop defines environments Workshop environments are described in YAML files, which can be version-controlled and shared among contributors to a project. A single command creates, … More → The post Canonical releases Workshop for one-command sandboxed dev environments on Ubuntu appeared first on Help Net Security.
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AI chatbot recommendations lure users to cryptojacking malware sites

Cybercriminals are using AI chatbot interactions alongside poisoned search results to direct users to malicious download sites in an active cryptojacking campaign, Microsoft has warned. The campaign impersonates legitimate software tools such as CrystalDiskInfo, HWMonitor, Display Driver Uninstaller (DDU), FurMark, K-Lite Codec Pack, and PDFgear. Screenshot of search engine results showing a malicious source of hwmonitor (Source: Microsoft) “The selection of these brands is deliberate. Each application is favored by PC enthusiasts and hardware-focused users, … More → The post AI chatbot recommendations lure users to cryptojacking malware sites appeared first on Help Net Security.
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Hackers are knocking on office doors pretending to be IT staff

The Silent Ransom Group (SRG) is targeting law firms using social engineering techniques and an unusual tactic for cybercriminals: showing up at victims’ offices in person while posing as IT staff, the FBI warns. The group, also known as Luna Moth, Chatty Spider, and UNC3753, has been active since at least 2022 and has targeted companies in several sectors, including insurance, finance, and healthcare, though law firms remain its primary target. The FBI said SRG … More → The post Hackers are knocking on office doors pretending to be IT staff appeared first on Help Net Security.
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Google AI Threat Defense targets attackers using AI to find flaws faster

Google Cloud introduced AI Threat Defense, an automated cybersecurity platform that combines several of the company’s security assets to find, prioritize, and patch software vulnerabilities at machine speed. The product is aimed at enterprises contending with attackers who use AI to discover and exploit flaws in hours or days, compressing windows that once stretched into weeks. The platform fuses the Gemini family of models, the cloud security firm Wiz, the AI code-fixing agent CodeMender, and … More → The post Google AI Threat Defense targets attackers using AI to find flaws faster appeared first on Help Net Security.
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