SentryDigest

French hospital fined €500,000 after breach exposes data of 727,000

France's data protection authority (CNIL) has fined Hôpital privé de la Loire €500,000 ($580,000) for failing to adequately protect patients' and their relatives' data…

Large Enterprises Targeted in Fake Merger & Acquisition Scams

Threat actors behind the "Phantom Deal" campaign are studying companies in extreme detail, aiming to dupe midlevel employees into initiating large financial transfers.

Coder's registry infrastructure compromised to push malicious modules

Attackers compromised Coder's Cloudflare infrastructure and added unauthorized registry servers that delivered malicious Terraform modules containing credential-stealing code…

What We Missed: Did ShinyHunters 'Breach' ReliaQuest?

HPE patches critical ArubaOS-CX remote code execution flaw

Hewlett Packard Enterprise (HPE) has patched a critical vulnerability in the ArubaOS-CX network operating system that could lead to remote code execution…

ThreatsDay: CEO Phishing Kits, 5K Dropbox Account Hacks, OAuth Traps + 17 More Stories

The worst part is how normal these attacks look. A call from IT. A shared file. A trusted app. A simple request to click “Allow.” Why break in when someone might open the door? That idea runs through this edition. Attackers use real tools, fake login pages, old account links, and software guides that point to unsafe downloads. One wrong letter in a web address can be enough. There is also…

Critical Cisco Nexus 9000 Flaw Lets Unauthenticated Remote Attackers Run Code as Root

Cisco has released patches to address a critical security flaw affecting 10 Silicon One-based Nexus 9000 switches that could allow an unauthenticated, remote attacker to execute code as root, alongside an IOS XR hardening release bundling 7 umbrella CVEs, 2 of which are rated 9.8, with no workaround for any IOS XR version. The Nexus vulnerability, tracked as CVE-2026-20212 (CVSS score: 9.8), is…

BraZetsu Malware Turns Compromised Windows Hosts Into Criminal Marketplace Inventory

Cybersecurity researchers have disclosed details of a sophisticated Python-based Windows malware framework called BraZetsu that fuels an underground marketplace commercializing access to compromised hosts. "Unlike the standard infostealer model, BraZetsu is a comprehensive master toolkit that empowers Initial Access Brokers (IABs) by turning compromised systems into highly valuable commercial…

Microsoft: KB5120998 mouse reset bug affects only non-English PCs

Microsoft says a known issue that reverts mouse settings after installing the KB5120998 August 2026 preview update affects only non-English Windows 11 systems…

OpenAI confirms ChatGPT is down ahead of 'Astra' model launch

ChatGPT and Codex are experiencing a major outage, with users reporting errors across nearly every major ChatGPT feature…

Anthropic confirms Claude is down, multiple models affected

Claude is experiencing an outage, with users encountering elevated errors when sending requests to multiple Anthropic AI models…

Critical Elementor Pro flaw exploited to take over WordPress sites

A recently patched critical vulnerability (CVE-2026-32475) in the Elementor Pro plugin for WordPress is being exploited in attacks that deliver a webshell payload and execute arbitrary commands on the server…

Thomson Reuters Court Software Breach May Have Exposed SSNs and Sealed Data

Thomson Reuters disclosed on Wednesday that an unauthorized party obtained files from C-Track, the court case management platform sold by its West Publishing Corporation unit, in March 2026, affecting courts in 11 U.S. states, the U.S. Virgin Islands, and Ontario, Canada. West Publishing said it discovered the activity on June 30, 2026. A subset of court records could contain individuals' names…

AI 'Machine Speed' Cuts 2-Week Attack Down to 10 Hours

The incident demonstrates how frontier AI agents can dramatically compress an attack timeline and coordinate a large-scale breach, according to researchers.

Your Employee’s Password Appeared in an Infostealer Log. Now What?

Infostealers can expose far more than passwords, including authenticated sessions that may let attackers bypass MFA. Flare explains how defenders can prioritize compromised identities, determine whether stolen access is still usable, and respond before it leads to account takeover…

Microsoft says KB5120998 Windows update resets desktop settings

Microsoft has confirmed that desktop settings are lost or reset on some Windows devices after installing the KB5120998 August 2026 preview update…

'Breeze Comet' Tears Into Brazilian & Global Financial Systems

Brazil's most sophisticated threat group is making light work of the country's financial systems, putting money directly into its own pocket.

US Becomes Top Target in RMM Phishing Campaign Spanning 46 Countries

An RMM phishing campaign initially associated with Canadian targeting due to its use of Canada Revenue Agency (CRA) tax forms as lures has turned out to be part of a broader campaign spanning 46 countries. Around 45% of observed activity was associated with the United States, making it the campaign's top geographic target. ANY.RUN research connected 601 cases to the wider operation, which uses…

Plex warns users to patch security vulnerabilities immediately

Plex urged users this week to update their desktop clients and media servers immediately to patch multiple security vulnerabilities…

Attackers Turn Trusted Node.js Runtime Into Malware Delivery Tool in Targeted Attacks

Threat actors are leveraging the trusted Node.js JavaScript runtime in multiple cyber attacks as a way to deploy malicious payloads. According to a new report published by the Symantec Threat Hunter Team today, the attack method has been put to use in attacks targeting government departments, technology companies, and hotels since February 2026. "The technique's appeal is that node.exe (the…

Shai-Hulud's Reach Just Grew to 469 Credential Locations. Here's What That Means

In early August, GitGuardian researchers found that a recent Shai-Hulud infostealer worm variant had evolved to scan for credentials across 469 locations across developer environments, Continuous Integration/Continuous Deployment (CI/CD) tooling, cloud configurations, and even AI tool configs. Earlier variants of the infostealer worm only checked 189 paths. The jump says a lot. Attackers have…

Microsoft Teams, Outlook fail to launch on ARM-based Windows PCs

Microsoft is working to fix a known issue that causes crashes and launch failures for Microsoft Teams and New Outlook users after installing updates released since the August 2026 Patch Tuesday…

Pegasus Zero-Click Spyware Exploit Infects Serbian Student Movement Member's iPhone

The iPhone belonging to a member of Serbia's student protest movement was infected with NSO Group's Pegasus spyware, according to new findings from the Citizen Lab in collaboration with the SHARE Foundation. "Our analysis confirmed that an iMessage zero-click exploit was used to infect the device with NSO Group's Pegasus spyware," the Citizen Lab said. "We found high-confidence indicators of…

Researcher Releases FalconFlank PoC Showing Privilege Escalation in CrowdStrike Falcon

The security researcher known as Chaotic Eclipse (aka INFINITE NIGHTMARE, MSNightmare, and Nightmare-Eclipse) has dropped a new zero-day dubbed FalconFlank, a privilege escalation flaw impacting Crowdstrike Falcon. "FalconFlank is a 0day privilege escalation that abuses the office malicious macros remediation in CrowdStrike Falcon Sensor," the researcher said in a GitHub README file, adding…

CISA Adds Seven Exploited Flaws as Attackers Deploy Reverse Shells and Crypto Miners

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added seven security flaws to its Known Exploited Vulnerabilities (KEV) catalog after they landed in attackers' crosshairs. The vulnerabilities are as follows - CVE-2026-83548 (CVSS score: 10.0) - A server-side request forgery vulnerability in SonicWall SMA 1000 Appliances that could allow a remote unauthenticated…

AI's Vulnerability Surge May Be More Manageable Than First Feared

New research suggests the coming Vulnpocalypse may not be so overwhelming for enterprise security teams — if they have the right strategies.

Hackers exploit Sangoma Switchvox flaw to deploy reverse shells

Attackers are actively exploiting CVE-2026-9586, an unauthenticated SQL injection vulnerability in the Sangoma Switchvox VoIP platform that can lead to remote code execution…

SonicWall SMA 1000 Zero-Days Enable Unauthenticated RCE

The exploitation activity follows attacks earlier this summer on two other zero-day vulnerabilities in the vendor's edge devices.

AI Gives Cybercriminals a Dangerous Time Advantage

Former cybercriminal Brett Johnson provides a look inside the mind of a threat actor and discusses where AI provides the most value for attackers.