Latest Cybersecurity News and Articles

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OpenAI Models Hacked Data Portals, Raided a Crypto Wallet to Finish Tasks

Left without funds for a coding task, an OpenAI model spent test crypto from a stranger’s wallet and left it out of its report. The post OpenAI Models Hacked Data Portals, Raided a Crypto Wallet to Finish Tasks appeared first on SecurityWeek.

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F5, Juniper Networks Patch Critical Vulnerabilities

Successful exploitation of some of these issues could lead to remote code execution and full device takeover. The post F5, Juniper Networks Patch Critical Vulnerabilities appeared first on SecurityWeek.

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Microsoft Patches Two Dozen RCE Flaws in Office

In addition to RCE flaws, Microsoft fixed multiple information disclosure bugs and a security bypass issue in Office. The post Microsoft Patches Two Dozen RCE Flaws in Office appeared first on SecurityWeek.

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Proofpoint Inks $6.3 Billion All-Cash Deal to Acquire Varonis

The Thoma Bravo-owned Proofpoint will acquire Varonis in an all-cash transaction and Varonis will become a private company. The post Proofpoint Inks $6.3 Billion All-Cash Deal to Acquire Varonis appeared first on SecurityWeek.

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China-Linked Hackers Exploited BeyondTrust Zero-Day to Take Over Remote Support Servers

The China-nexus cyber espionage group tracked as Armory Castle (previously UNC5221 or Warp Panda) exploited a newly disclosed security flaw in BeyondTrust Remote Support (formerly Bomgar) as a zero-day in late August 2026. The vulnerability, tracked as CVE-2026-102764 (CVSS score: 9.3), is a case of improper origin validation in an internal messaging component that could be exploited by a

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CERT-In Warns AI Agents Accessed Sensitive Data at Indian Organizations During Testing

AI agents being tested online reached the live systems of Indian organizations and read business records, including personal data and confidential material, CERT-In said in an advisory on October 15. The agents went beyond their assigned tasks, and none of the organizations detected the unauthorized access. After internal reviews, the AI companies whose models were being tested

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PEERSTITCH Malware Deployed via FortiOS Flaw Bypasses Checks on Tagged VPN Sessions

A suspected advanced threat actor has been observed exploiting a security flaw in Fortinet FortiOS to deliver a previously unreported memory-resident ARM64 malware known as PEERSTITCH. The attack involves the exploitation of CVE-2025-61624 (CVSS score: 5.4), a path traversal flaw in the command line interpreter of FortiOS, FortiPAM, FortiProxy, and FortiSwitchManager that could allow a

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Critical PwnEscape Linux Kernel Vulnerability Lets Guest VMs Read Host Memory

A newly disclosed critical flaw in the Linux kernel allows code inside a virtual machine to read memory on the host computer it runs on. A researcher demonstrated the leak against Vercel's live cloud sandboxes, and Vercel confirmed it. The flaw, now tracked as CVE-2026-99999 and nicknamed PwnEscape, is in the Linux kernel's networking code, not in any one cloud's setup, so it reaches the shared

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ThreatsDay: Adobe RCE, DNS Wallet Theft, NVIDIA Container Escape, Self-Healing Backdoor + 23 More

Someone built a tool to steal data, then decided it should scare the victim for fun. Yes, that’s an actual feature. And somehow, it fits right in with this week's security stories. The rest gets interesting in different ways. A small permission can lead to a big theft. A trusted login can hide the wrong person. Old bugs are finding new victims, familiar tools are being put to strange uses, and

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Context Is King in the Fight Against Modern Cyberattacks

Contextual defense helps security teams connect the signals, anticipate what comes next, and stop threats before they escalate. The post Context Is King in the Fight Against Modern Cyberattacks appeared first on SecurityWeek.

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Citizen Lab Traces Zero-Click Candiru Spyware Infections at Al Jazeera to Targeted Online Ads

Candiru, an Israeli maker of spyware sold to governments, infected devices at the news network Al Jazeera through ordinary online ads, in attacks that needed no click or other action from the user, researchers at the Citizen Lab said Thursday. The hidden attack code ran the moment an ad loaded on the screen, and in some cases the ad loaded out of sight, in the background. The Citizen

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Silent Lynx Exploits WinRAR Flaw to Deploy Reverse Shell in CIS Government Attacks

The threat actor known as Silent Lynx has been attributed to a fresh set of attacks targeting government organizations across the Commonwealth of Independent States (CIS). The activity, observed from June 2025 through August 2026, involves four different infection chains that make use of macro-enabled documents, PS2EXE downloaders, GitHub-hosted PowerShell, and crafted WinRAR archives

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UK Legal Aid Agency Hack Scope Widens After Forensic Review

Most of the data is related to applications, claims, and payments submitted between 2007 and 2025. The post UK Legal Aid Agency Hack Scope Widens After Forensic Review appeared first on SecurityWeek.

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Help TDS Linked to Hotejka as 20,000+ Cloudflare Pages Domains Host Tech Support Scams

A long-running Traffic Distribution System (TDS) known as Help TDS to a Russian-language affiliate program called Hotejka, which appears to be a rebrand of a traffic monetization operation dubbed ROI777. Help TDS is assessed to be active since at least 2017, offering PHP code templates to partners and affiliates that are installed into compromised websites with an aim to direct unsuspecting

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NGINX Fixes 5 Flaws, Including Possible RCE and a TLS Bug That May Skip Client-Cert Checks

NGINX released versions 1.30.6 and 1.31.7 on October 14 to fix five vulnerabilities, one of them present in every release since May 2005. There are three memory bugs that F5, the company behind NGINX, says could crash a worker process or possibly let an attacker run code, and each requires a specific configuration to exploit. A fourth lets an attacker forge a TLS session that could

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Supermarket Refrigeration Attack Widens to Copeland, Dixell Controllers

Roughly 700 French supermarkets were hit by the cyberattacks, for which no group has claimed responsibility. The post Supermarket Refrigeration Attack Widens to Copeland, Dixell Controllers appeared first on SecurityWeek.

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Next.js Ships Out-of-Band Patch for Two Critical RCE Flaws in Caching and SVG Processing

Next.js released an out-of-band security update on October 14 that fixes two critical flaws allowing unauthenticated remote code execution, along with a high-severity denial-of-service flaw. One code-execution flaw is in React Server Components, and the other in librsvg, the open-source library Next.js uses through the sharp package to handle SVG images. The fixes are in

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Drupal Patches Critical Core RCE Flaw with No-Login Path via Contributed Modules

Drupal core has a critical flaw in its Field UI module that could let an attacker run code on the site's server, and fixes were shipped on October 14 in Drupal 11.4.10, 11.3.19, and 10.6.19. An attacker cannot reach the flaw through core alone, the Drupal Security Team said in its advisory. Several exploit paths exist through contributed modules, and at least one known path needs no login.

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Fake AI Attacks Spread Across US Companies: How MSSPs Can Stop Incidents Early

Attackers are impersonating popular AI products to distribute malware, steal browser sessions, and compromise business accounts. ANY.RUN linked 1,258 public sandbox analyses to fake AI campaigns between April and October of 2026.  The campaigns also increase operational pressure on MSSPs serving US businesses, which accounted for 16% of country-attributed targets.  Similar attacks

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CikaBika Bot RAT Uses Discord for C&C

Delivered via phishing, the malware provides reconnaissance, remote execution, and data exfiltration capabilities. The post CikaBika Bot RAT Uses Discord for C&C appeared first on SecurityWeek.