KindaRails2Shell threatens Ruby on Rails apps (CVE-2026-66066) 2026-08-03 at 14:42 By Zeljka Zorz A critical security vulnerability (CVE-2026-66066) in Ruby on Rails (aka Rails), one of the most widely used frameworks for building websites and web apps, may allow attackers to read sensitive files off a server and, in some cases, take full control of […]
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Mapping the malware blast radius a single alert won’t show you 2026-08-03 at 09:00 By Mirko Zorz In this interview with Help Net Security, Mike Wiacek, founder and CTO of Stairwell, explains Backstory, an AI agent that takes a single alert and works outward to map how far a malware campaign spread. He walks through
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SkillSpector: NVIDIA’s open-source security scanner for AI agent skills 2026-08-03 at 08:30 By Anamarija Pogorelec SkillSpector is an open-source scanner from NVIDIA that reads an agent skill and tells you whether to install it. Point it at a directory, a zip file, a single SKILL.md, or a Git URL, and it returns a list of
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Aviation cyber risk sits on the ground, the blindness sits in the air 2026-07-31 at 08:30 By Mirko Zorz In this interview with Help Net Security, Eliran Almong, CEO of Cyviation, explains why airline cyber losses happen on the ground while the aircraft stays unmonitored. He walks through GNSS jamming that leaves no trace in
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Laundry Bear’s new Microsoft Exchange attack triggers on email open (CVE-2026-42897) 2026-07-30 at 17:23 By Zeljka Zorz Russia-affiliated cyber espionage group Laundry Bear (aka Void Blizzard, aka TA488) is exploiting CVE-2026-42897, a cross-site scripting vulnerability in Microsoft Exchange, to target US and European government entities and a variety of private sector organizations via email. The
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Cisco FMC static credentials exploited by attackers (CVE-2026-20316) 2026-07-30 at 13:44 By Zeljka Zorz A static credentials vulnerability (CVE-2026-20316) in Cisco Secure Firewall Management Center (FMC), a platform for centrally managing multiple Cisco Secure Firewall devices across a network, is being leveraged by attackers, CISA warned. Two FMC flaws, one indicator of compromise CVE-2026-20316, reported
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Data breach cost 2026 averaged $4.99 million, AI attacks ran higher 2026-07-30 at 09:15 By Mirko Zorz More than one in four organizations hit by a malicious attack over the past year say AI drove it. Those breaches averaged about $1 million above the malicious attacks that ran without AI. Defenders bought similar technology and
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200 new CVEs a day and no realistic way to patch them all 2026-07-30 at 09:00 By Mirko Zorz Ryan Dewhurst, CEO at KEVIntel, explains how his team confirms exploitation that CISA’s catalog has not listed yet. He describes a global honeypot sensor network, AI triage, and human verification in a lab before a vulnerability
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ShutterGap: Aryon Security finds 3.7M AWS cloud resources exposed beyond CSPM/CNAPP visibility 2026-07-29 at 16:00 By Help Net Security Research from Aryon reveals that each year, 3,731,699 short-lived cloud resources containing highly sensitive information are publicly exposed. This impacts any organization using AWS services that support public sharing. These exposures often last only minutes or hours,
The energy sector’s OT cybersecurity talent is retiring faster than it can be replaced 2026-07-29 at 08:30 By Mirko Zorz A ransomware hit lands a chemical plant in a safe state. Nobody is hurt, the site holds steady, and the operators begin the restart. The systems stay down. Every attempt to bring them online meets
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Hugging Face breach reignites open-weights debate, raises liability questions 2026-07-28 at 18:55 By Zeljka Zorz The first publicly documented cyberattack run end-to-end by an autonomous AI was an OpenAI benchmark test that escaped its sandbox and breached Hugging Face. In an incident post-mortem compiled with the input from Hugging Face and several hundred members of
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JetBrains fixes critical unauthenticated RCE in TeamCity On-Premises (CVE-2026-63077) 2026-07-28 at 14:04 By Zeljka Zorz JetBrains has fixed a critical vulnerability (CVE-2026-63077) affecting TeamCity On-Premises and is urging admins to upgrade self-hosted servers as soon as possible. “For those who are unable to do so, we have released a security patch plugin,” noted Daniel Gallo,
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Shadow AI incident response begins with logs that may already be gone 2026-07-28 at 09:00 By Mirko Zorz In this Help Net Security interview, Brandy Wityak, VP of Complex Matters at LevelBlue, explains what happens in the hours after a shadow AI incident. She describes how quickly logs roll over, why firewall records of outbound
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PoC exploit released for critical AD CS domain-takeover flaw (CVE-2026-54121) 2026-07-27 at 15:04 By Zeljka Zorz Security researchers who discovered and reported CVE-2026-54121 (aka “Certighost”), a critical privilege elevation vulnerability in Active Directory Certificate Services (AD CS), have released a proof-of-concept (PoC) exploit for and technical details related to the flaw. The vulnerability AD CS
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How attackers hosted a fake Claude download page on the claude.ai domain 2026-07-23 at 16:12 By Zeljka Zorz A threat actor abused Anthropic’s Claude Artifacts feature to funnel users toward malware, Huntress researchers have disclosed. Employees at at least 29 organizations were compromised over two days in July, after searching for the Claude desktop app
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Attackers exploit critical Check Point flaw to take over firewall management (CVE-2026-16232) 2026-07-23 at 13:42 By Zeljka Zorz Attackers are exploiting a critical authentication bypass vulnerability (CVE-2026-16232) that affects Check Point Security Management and Multi-Domain Security Management, the management servers that push policy to Check Point security gateways (i.e., firewalls). “An unauthenticated attacker can obtain
Shadow AI is becoming enterprise security’s biggest blind spot 2026-07-23 at 09:00 By Help Net Security Artificial intelligence has moved from experimentation to everyday business operations with remarkable speed. Employees are using it to summarize documents, draft communications, analyze spreadsheets, write code, build automations, and create AI-powered workflows across nearly every business function. Microsoft’s 2026
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Multi-patch vulnerability fixes can leave open source exposed 2026-07-23 at 08:00 By Mirko Zorz Vulnerability management runs on a shorthand. A CVE shows a linked patch, someone applies it, and the ticket moves to closed. That shorthand covers most open source fixes. A share work in a different way, arriving as a run of two
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OpenAI: Our models breached Hugging Face during a cyber capability test 2026-07-22 at 17:42 By Zeljka Zorz The recent Hugging Face breach was the work of several OpenAI models, the AI research company claimed in a blog post. The breach Late last week, the company behind Hugging Face, a platform that enables users to share
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Another SharePoint RCE exploited: Patch, then rotate your machine keys (CVE-2026-50522) 2026-07-22 at 14:47 By Zeljka Zorz Attackers are exploiting a critical SharePoint remote code execution (RCE) vulnerability (CVE-2026-50522) to extract the servers’ IIS machine keys. “WatchTowr is observing active exploitation of CVE-2026-50522 against on-premise Microsoft SharePoint deployments following the release of public exploit code,
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