Enterprises deploying LLMs have spent the past two years building defenses around a reasonable assumption: malicious behavior leaves a trace in the input. Scan for suspicious tokens, filter unusual characters, watch for prompt injection patterns. New research from Microsoft and…
Tag: Help Net Security
Lyrie: Open-source autonomous pentesting agent
Penetration testing has usually required weeks of manual work, specialized tooling, and teams with narrow skill sets. Lyrie, an open-source autonomous security agent built by OTT Cybersecurity, compresses that process into a command line tool and publishes the entire codebase.…
AI shrinks vulnerability exploitation window to hours
Time has become organizations’ biggest vulnerability because the gap between vulnerability discovery and exploitation has narrowed to hours, according to Synack’s 2026 State of Vulnerabilities Report. Total vulnerabilities by severity (2022-2025) (Source: Synack) AI expands the attack surface Agentic AI…
Product showcase: McAfee + ChatGPT integration turns doubt into a scam check
McAfee + ChatGPT integration brings real-time scam detection in conversations and gives users an easier way to verify suspicious content before clicking or responding. It is available to anyone, without requiring a McAfee or ChatGPT subscription. It combines conversational AI…
When ransomware hits, confidence doesn’t restore endpoints
Ransomware, supply chain vulnerabilities, insider threats, compliance failures, and software disruptions remain major concerns for security leaders, according to The Ransomware Reality: Zero Days to Recover report by Absolute Security. How CISOs currently ensure endpoint resilience against ransomware (overall, %)…
Debian 13.5 point release lands with security fixes, bug patches
Debian 13.5 is the fifth point release for the stable distribution “trixie.” The update folds in roughly 100 Debian Security Advisories and corrections for more than 130 source packages, covering everything from the Linux kernel and Apache HTTP Server to…
Week in review: Cisco patches SD-WAN 0-day, unpatched Microsoft Exchange Server flaw exploited
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Review: Foundations of Cybersecurity, 2nd edition Jason Andress has refreshed his introductory security text for No Starch Press. He writes in the introduction that the…
Cisco patches another actively exploited SD-WAN zero-day (CVE-2026-20182)
Cisco has patched yet another Catalyst SD-WAN Controller authentication bypass vulnerability (CVE-2026-20182) that has been exploited as a zero-day by “a highly sophisticated cyber threat actor”. About CVE-2026-20182 CVE-2026-20182 – affecting both Cisco Catalyst SD-WAN Controller (the “brain” of the…
Google lets Workspace admins apply one policy across all SAML apps
Google has updated Context-Aware Access (CAA) in Google Workspace to introduce a default policy assignment for SAML applications. SAML applications are third-party or internal applications that use the Security Assertion Markup Language (SAML) protocol to enable single sign-on (SSO) with…
Akamai to acquire LayerX for $205 million
Akamai has entered into a definitive agreement to acquire LayerX, a provider of browser-based AI usage control and secure enterprise browser (SEB) technology. LayerX’s solutions will extend Akamai’s protection into the browser, where the majority of enterprise tasks now occur…
Thieves unlock stolen iPhones using cheap tools sold on Telegram
Helping a friend recover a stolen phone, Infoblox researchers uncovered a thriving Telegram-based underground marketplace selling unlocking tools and phishing infrastructure used to monetize stolen iPhones. Activation Lock can remotely disable a stolen iPhone and prevent normal resale, with owners…
Unpatched Microsoft Exchange Server vulnerability exploited (CVE-2026-42897)
A critical cross-site scripting (XSS) vulnerability (CVE-2026-42897) in Microsoft Exchange Server is being exploited by attackers, Microsoft warned on Thursday. A permanent fix is still in the works. In the meantime, Microsoft provided temporary mitigations. About CVE-2026-42897 CVE-2026-42897 affects on-premises…
Rocky Linux launches opt-in security repository for urgent fixes
Rocky Linux has introduced a Security Repository that allows the distribution to ship urgent security fixes ahead of upstream Enterprise Linux when public exploit code exists and upstream patches are unavailable. “The repository is disabled by default. That’s intentional. The…
Keycard helps developers secure autonomous AI agents with scoped access
Keycard has announced Keycard for Multi-Agent Apps, extending its platform to support delegated, session-based access across systems of autonomous agents. Keycard lets developers build apps where every agent has its own identity, access is scoped to each task and every…
Deepfake detection is losing ground to generative models
Deepfake detection has been built around a single question for close to a decade. Given a video or audio clip, is it real or synthetic? Commercial detectors analyze pixels, frequencies, and biometric signals to answer that question, and the best…
Zombie linkages are keeping expired domains trusted for years
Domains expire, get transferred, and return to the market every day. The systems connected to those domains can continue trusting the original owner long after control has changed. Researchers at USC and the University of Twente examined this problem in…
The AI oversight paradox: Is the investment worth the cost of watching it?
Unlike in 2025, when AI adoption and testing drove business strategies, organizations in 2026 want proven ROI before committing budgets, according to a report by Globalization Partners. How global executives characterize their organization’s approach to AI adoption (Source: Globalization Partners)…
New infosec products of the week: May 15, 2026
Here’s a look at the most interesting products from the past week Alation, Apricorn, Versa Networks, and TrustCloud. The questionnaire-based TPRM model is broken, and TrustCloud has a fix TrustCloud announced a new version of TrustLens, its third party risk…
Fragnesia: New Linux kernel LPE bug was spawned by Dirty Frag patch (CVE-2026-46300)
Researchers have found and disclosed yet another local privilege escalation (LPE) vulnerability in the Linux kernel: CVE-2026-46300, aka “Fragnesia”. The flaw is in the same class of vulnerabilities as the recently disclosed Dirty Frag bug(s). Like Dirty Frag, it affects…
HYCU aiR detects insider risk and AI activity from backups
HYCU has announced HYCU aiR (AI Resilience), an AI-native solution that turns backup data across dozens of applications into a live and actionable intelligence for security, compliance, and IT teams. aiR lets organizations search, query, and run purpose-built agents to…