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CISA warns of Windows SMB flaw under active exploitation (CVE-2025-33073)

CISA warns of Windows SMB flaw under active exploitation (CVE-2025-33073) 2025-10-21 at 19:13 By Zeljka Zorz CVE-2025-33073, a Windows SMB Client vulnerability that Microsoft fixed in June 2025, is being exploited by attackers. The confirmation comes from the Cybersecurity and Infrastructure Security Agency (CISA), which has added the flaw to its Known Exploited Vulnerabilities catalog, […]

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Agentic AI security: Building the next generation of access controls

Agentic AI security: Building the next generation of access controls 2025-10-21 at 10:03 By Help Net Security As artificial intelligence (AI) solutions continue to evolve, the rise of agentic AI—intelligent systems that can act autonomously on behalf of an organization—presents new security challenges. Research from Delinea’s 2025 AI in Identity Security Demands a New Playbook

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When everything’s connected, everything’s at risk

When everything’s connected, everything’s at risk 2025-10-21 at 09:02 By Mirko Zorz In this Help Net Security interview, Ken Deitz, CISO at Brown & Brown, discusses how the definition of cyber risk has expanded beyond IT to include IoT, OT, and broader supply chain ecosystems. As organizations connect these assets through cloud and networked systems,

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10 data security companies to watch in 2026

10 data security companies to watch in 2026 2025-10-21 at 08:52 By Sinisa Markovic At Help Net Security, we’ve been tracking the cybersecurity world for nearly three decades. Through our Industry News section, we’ve watched countless companies rise, and push the limits of what’s possible in data protection. Some vendors consistently stand out, not just

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Hard-coded credentials found in Moxa industrial security appliances, routers (CVE-2025-6950)

Hard-coded credentials found in Moxa industrial security appliances, routers (CVE-2025-6950) 2025-10-20 at 20:10 By Zeljka Zorz Moxa has fixed 5 vulnerabilities in its industrial network security appliances and routers, including a remotely exploitable flaw (CVE-2025-6950) that may result in complete system compromise. There’s no mention of these flaws being exploited in the wild, but due

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China-linked Salt Typhoon hackers attempt to infiltrate European telco

China-linked Salt Typhoon hackers attempt to infiltrate European telco 2025-10-20 at 18:42 By Zeljka Zorz Salt Typhoon, the China-linked APT group that has a penchant for targeting telecommunications companies, has been spotted trying to sneak into yet another one. The intrusion “Darktrace observed activity in a European telecommunications organisation consistent with Salt Typhoon’s known tactics,

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Most AI privacy research looks the wrong way

Most AI privacy research looks the wrong way 2025-10-20 at 13:19 By Mirko Zorz Most research on LLM privacy has focused on the wrong problem, according to a new paper by researchers from Carnegie Mellon University and Northeastern University. The authors argue that while most technical studies target data memorization, the biggest risks come from

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Microsoft revokes 200 certs used to sign malicious Teams installers

Microsoft revokes 200 certs used to sign malicious Teams installers 2025-10-17 at 15:59 By Zeljka Zorz By revoking 200 software-signing certificates, Microsoft has hampered the activities of Vanilla Tempest, a ransomware-wielding threat actor that has been targeting organizations with malware posing as Microsoft Teams. “In this campaign, Vanilla Tempest used fake MSTeamsSetup.exe files hosted on

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Hackers used Cisco zero-day to plant rootkits on network switches (CVE-2025-20352)

Hackers used Cisco zero-day to plant rootkits on network switches (CVE-2025-20352) 2025-10-17 at 15:29 By Zeljka Zorz Threat actors have leveraged a recently patched IOS/IOS XE vulnerability (CVE-2025-20352) to deploy Linux rootkits on vulnerable Cisco network devices. “The operation targeted victims running older Linux systems that do not have endpoint detection response solutions,” Trend Micro

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A new approach to blockchain spam: Local reputation over global rules

A new approach to blockchain spam: Local reputation over global rules 2025-10-17 at 10:18 By Mirko Zorz Spam has long been a nuisance in blockchain networks, clogging transaction queues and driving up fees. A new research paper from Delft University of Technology introduces a decentralized solution called STARVESPAM that could help nodes in permissionless blockchains

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“Perfect” Adobe Experience Manager vulnerability is being exploited (CVE-2025-54253)

“Perfect” Adobe Experience Manager vulnerability is being exploited (CVE-2025-54253) 2025-10-16 at 19:52 By Zeljka Zorz CISA has added CVE-2025-54253, a misconfiguration vulnerability in Adobe Experience Manager (AEM) Forms on Java Enterprise Edition (JEE), to its Known Exploited Vulnerabilities catalog, thus warning of detected in-the-wild exploitation. Adobe fixed the vulnerability in August 2025, along with CVE-2025-54254,

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When trusted AI connections turn hostile

When trusted AI connections turn hostile 2025-10-16 at 09:02 By Mirko Zorz Researchers have revealed a new security blind spot in how LLM applications connect to external systems. Their study shows that malicious Model Context Protocol (MCP) servers can quietly take control of hosts, manipulate LLM behavior, and deceive users, all while staying undetected by

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Identifying risky candidates: Practical steps for security leaders

Identifying risky candidates: Practical steps for security leaders 2025-10-16 at 08:32 By Help Net Security Effective insider threat defense begins with candidate vetting. Background checks and reference calls can confirm elements of an applicant’s history, but they rarely surface the deeper risks that can turn into costly problems down the line. Identity verification, credential validation,

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F5 data breach: “Nation-state” attackers stole BIG-IP source code, vulnerability info

F5 data breach: “Nation-state” attackers stole BIG-IP source code, vulnerability info 2025-10-15 at 18:39 By Zeljka Zorz US tech company F5 has suffered a breach, and the attackers made off with source code of and vulnerability information related to its BIG-IP family of networking and security products, the company confirmed today. BIG-IP vulnerabilities are often

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Microsoft patches three zero-days actively exploited by attackers

Microsoft patches three zero-days actively exploited by attackers 2025-10-15 at 13:18 By Zeljka Zorz On October 2025 Patch Tuesday, Microsoft released fixes for 175+ vulnerabilities, including three zero-days under active attack: CVE-2025-24990, CVE-2025-59230, and CVE-2025-47827. The actively exploited vulnerabilities are an unusual mix CVE-2025-24990 is in the third-party driver (ltmdm64.sys) for the software-based Agere Modem,

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Building trust in AI-powered security operations

Building trust in AI-powered security operations 2025-10-15 at 08:22 By Help Net Security In this Help Net Security video, James Hodge, VP, Global Specialist Organisation at Splunk, explores the transformative role of AI in cybersecurity threat detection. He explains how AI’s ability to process vast amounts of data and detect anomalies faster than humans is

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What if your privacy tools could learn as they go?

What if your privacy tools could learn as they go? 2025-10-14 at 11:49 By Mirko Zorz A new academic study proposes a way to design privacy mechanisms that can make use of prior knowledge about how data is distributed, even when that information is incomplete. The method allows privacy guarantees to stay mathematically sound while

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What Chat Control means for your privacy

What Chat Control means for your privacy 2025-10-14 at 08:00 By Mirko Zorz The EU’s proposed Chat Control (CSAM Regulation) aims to combat child sexual abuse material by requiring digital platforms to detect, report, and remove illegal content, including grooming behaviors. Cybersecurity experts warn that such measures could undermine encryption, create new attack surfaces, and

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Security validation: The key to maximizing ROI from security investments

Security validation: The key to maximizing ROI from security investments 2025-10-14 at 08:00 By Help Net Security Every sizable organization invests heavily in firewalls, SIEMs, EDRs, and countless other technologies that form the backbone of a modern enterprise’s cyber defenses. Yet despite these significant investments, attackers continue to exploit misconfigurations, untested rules, and hidden dependencies

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Building a healthcare cybersecurity strategy that works

Building a healthcare cybersecurity strategy that works 2025-10-13 at 09:41 By Mirko Zorz In this Help Net Security interview, Wayman Cummings, CISO at Ochsner Health, talks about building a healthcare cybersecurity strategy, even when resources are tight. He explains how focusing on areas like vulnerability management and network segmentation can make the biggest difference. Cummings

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