SentryDigest

Chinese hackers exploit WordPress, Zyxel flaws to steal govt data

A Chinese-speaking threat actor has been exploiting vulnerabilities in ZyXEL GS1900 Smart Managed Switches and WordPress to steal sensitive data from 996 devices and more than 18,500 records stored in backend databases…

Microsoft Disrupts EvilTokens Device Code Phishing Service

Microsoft seized 50 websites and disabled more than 150 domains as part of a coordinated disruption effort against a phishing-as-a-service platform targeting Microsoft 365 accounts.

ShinyHunters claims FBI hack, data theft in PeopleSoft zero-day breach

The ShinyHunters extortion gang claims it breached FBI systems using a new Oracle PeopleSoft zero-day vulnerability, gaining access to internal services and stealing sensitive data on employees and job applicants…

Check Point Warns of Management Server Zero-Day Exploited in Targeted Attacks

Attackers exploited a previously unknown flaw in Check Point's Security Management Server in a handful of targeted attacks on July 23, the company said. The flaw, CVE-2026-93616, allows an attacker who can access the server's web service to run scripts on it without logging in. Check Point released a fix on September 22 for the server that controls firewall policies for the Check Point…

New ClosedQuorum Windows malware uses AI for attack decisions

A new Windows malware named ClosedQuorum uses Google Gemini, DeepSeek, Qwen, and Mistral AI models to autonomously determine the actions to take during post-compromise stages of an attack…

WordPress Issues Patch for Critical Flaw That Can Enable Code Execution on Some Servers

WordPress has fixed a critical flaw in its core software that lets an attacker with no account make a site load a PHP file from outside its theme folders. On some servers, that can go further, allowing the attacker to run their own code. The fix shipped on September 22 in WordPress 7.1.2, with fixes for every branch the project still supports, back to 4.7, and WordPress is telling site owners…

Malicious npm Package Poses as Twilio Bug-Bounty Probe, Can Exfiltrate Credentials

Shai-Hulud Attack Nips Cyber-Firm CrowdSec's GitHub Data

Threat actors stole 170 private repositories using an OAuth token stolen from a former employee's computer through the TanStack npm supply chain attack.

Reducing shadow IT visibility gaps with Wazuh

Shadow IT can leave security teams unaware of unmanaged endpoints, unauthorized software, and other assets that fall outside existing monitoring. Wazuh explains how endpoint inventory, agentless monitoring, and centralized analysis can help organizations identify and reduce these visibility gaps…

Amid Ongoing Rogue Incidents, Debate Over AI Safety Gets Real

As more reports of misalignment incidents underscore AI risks, large AI labs, regular businesses, and even nations are searching for better ways to keep control and be secure.

Microsoft Takes Down EvilTokens Device-Code Phishing Service Tied to 12,000 Inbox Compromises

Microsoft on Tuesday announced the takedown of the EvilTokens device code phishing service that it said used artificial intelligence (AI) "at every step of the attack chain." The action, carried out with authorization from the U.S. District Court for the Eastern District of Virginia, involved the efforts of Health-ISAC, alongside Cloudflare, Coinbase, OpenAI, Railway, SpyCloud, The Shadowserver…

Critical Bifrost AI Gateway Flaw Lets Attackers Run Commands Without Credentials

A critical vulnerability in Bifrost, an open-source AI gateway that routes requests to more than 20 LLM providers, allows an unauthenticated attacker to run arbitrary commands on the gateway server with a single HTTP request. The flaw, tracked as CVE-2026-90898 (CVSS score: 9.8), affects all versions of the Bifrost HTTP transport before 2.1.0 when management authentication is…

Check Point warns of Management Server zero-day exploited in attacks

Check Point Software released emergency hotfixes to address a critical Security Management Server vulnerability that could let attackers run arbitrary scripts…

Researcher Drops BigDiskBuster Zero-Day PoC That Blocks Microsoft Defender Updates

A zero-day proof-of-concept tool that stops Microsoft Defender from installing platform and signature updates by filling all available disk space was published on GitHub on September 19. The tool, called BigDiskBuster, has no patch, no CVE, and no Microsoft advisory. Its author, Abdelhamid Naceri, is a former Microsoft security researcher whose earlier Defender exploits were used in…

EvilTokens PhaaS disrupted after compromising 12,000 Microsoft accounts

The EvilTokens platform that compromised more than 12,000 Microsoft accounts at over 10,000 organizations has been disrupted in an effort led by Microsoft's Digital Crimes Unit (DCU)…

Webinar tomorrow: Inside real-world Google Workspace breaches

Tomorrow's webinar examines real Google Workspace breaches involving social engineering and malicious OAuth applications, from initial access through the critical first hours of incident response. Learn which security controls and response decisions can make the greatest difference…

D-Link warns of max severity zero-day bug in DIR-822A routers

D-Link warned customers of a maximum-severity vulnerability (CVE-2026-86296) with public proof-of-concept (PoC) exploit code and no patch, affecting legacy DIR-822A dual-band Wi-Fi routers…

AI Agents Are Rewriting the Rules of Lateral Movement

Security teams have spent decades asking whether an identity has too much access. AI agents raise a harder question: how can we determine which paths an autonomous system can discover, given the access it already has? A person may try several ways to complete a task. A deterministic application follows the flow its developer wrote. But an AI agent is relentless in its pursuit of done. In May…

New CVSS 10.0 VeloCloud Orchestrator Flaw Actively Exploited in Certificate-Based Setups

Attackers are exploiting a new flaw in on-premises VeloCloud Orchestrator (VCO), the server that manages the Edge devices in a VeloCloud SD-WAN, Arista said on September 22. The flaw, tracked as CVE-2026-93952, may allow a remote attacker with no login access to privilege internal functions and affect the VCO host. Only orchestrators set up to authenticate their Edges with certificates are…

More Than a Third of Industrial Orgs See Cybersecurity Risk as a Top Obstacle to Growth, Study Finds

Industrial companies are increasing cybersecurity investment as connected operations, AI adoption, and IT/OT convergence expand operational risk.

DORA Year Two: Can Your SOC Actually See the Attack?

When the Digital Operational Resilience Act (DORA) became enforceable across the European Union in January 2025, it triggered an administrative sprint. Financial entities spent the first year establishing risk governance, assessing third-party service providers, updating contract clauses, and documenting incident escalation workflows. Now in its second year, the harder part of DORA is…

New Linux Kernel Flaw Gives ARM64 KVM Guests Read-Write Access to Host Memory

SharePoint Flaw Initially Listed as Spoofing by Microsoft Enables Authenticated RCE

A SharePoint Server vulnerability that Microsoft initially classified as a spoofing flaw with a CVSS score of 6.5 actually enables authenticated remote code execution, according to full technical details published today by Viettel Cyber Security researcher Dinh Ho Anh Khoa. The flaw, CVE-2026-65660, affects SharePoint Server 2016, 2019, and Subscription Edition. Patches have been…

New Windows Defender zero-day blocks Microsoft antivirus updates

Over the weekend, security researcher Abdelhamid Naceri (also known as Nightmare Eclipse) released another Microsoft Defender zero-day exploit that blocks antivirus updates…

Malicious npm Package indexed-btree Hid Its Loader in Runtime Code Before Removal

A malicious npm package named "indexed-btree" has been observed hiding its malicious behavior within application code rather than using lifecycle scripts, indicating that threat actors are likely shifting tactics in response to recent security controls. "Indexed-btree is a malicious npm package mimicking the legit sorted-btree package, an ordinary B-tree/indexing utility," Checkmarx said. "…

CISA orders feds to patch Zyxel flaw exploited for data theft

​Attackers are now actively exploiting a high-severity vulnerability in Zyxel GS1900 series switches, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA)…

SideCopy Broadens India Targeting to Academia With ReverseRAT Spear-Phishing

The threat actor known as SideCopy has been observed using spear-phishing lures to target academic institutions in India, expanding their strategic focus beyond government entities. "SideCopy campaign operations typically initiate through spear-phishing campaigns that leverage the abuse of mshta.exe to execute malicious scripts and circumvent standard security protocols," Trellix researchers…

One Hidden Meta Muse Setting Could Let Attackers Turn the AI Assistant Into a Backdoor

Malware already running on a Mac can quietly take over Meta's Muse assistant and use the broad access its owner granted the app, security researcher Patrick Wardle has shown in a proof-of-concept released on September 21. It works by changing a hidden setting so that when the user taps the microphone and dictates a prompt, the words go to the attacker instead of Meta. The flaw is in…

WordPress Comment2Shell Flaw Can Turn Anonymous Comment XSS Into RCE via Admin Session

A new flaw in WordPress core let an anonymous visitor leave a comment that planted a hidden script on the page. If a logged-in administrator later opened that page, the script could run code on the site's server. WordPress fixed the flaw, tracked as CVE-2026-93485 and called "Comment2Shell," on September 17 in version 7.1.1 and told site owners to update right away. There is…

Zyxel and Veeam Flaws Under Active Exploitation With Command and SYSTEM Access

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a now-patched security flaw impacting Zyxel GS1900 series switches to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2026-7273 (CVSS score: 8.8), is a stack-based buffer overflow vulnerability that could result in arbitrary operating…

How AI Agents Can Trigger Runaway Costs for Enterprises

Unbounded consumption is an issue that OWASP currently ranks sixth in its Top 10 for LLM Applications, and it could be an extremely costly one.

BigCommerce alerts merchants of data breach linked to Ribon apps

Ecommerce platform BigCommerce has alerted multiple merchants to data breaches after attackers compromised credentials for third-party Ribon applications and used them to inject malicious scripts into online stores…

CISA alerts of active exploitation of three Linux kernel flaws

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that hackers are exploiting three Linux kernel vulnerabilities, one of them rated critical…

ShinyHunters Hacked Clop. Now What About Clop's Victims?

ShinyHunters defaced Clop's Dark Web site and claims to have stolen victim data, potentially exposing organizations that paid ransoms to renewed extortion attempts.

Cybercriminals Are Hiding New Malware in Torrents for Popular Films

Victims have been identified in Africa, including in Kenya and Uganda.

WordPress Click2Shell flaw lets hackers execute PHP on the server

Technical details and a proof-of-concept exploit have been published for a new WordPress cross-site request forgery (CSRF) vulnerability dubbed 'Click2Shell' that affects the platform's Core component…

Microsoft to retire Microsoft 365 Companion apps in December

Microsoft will retire the Calendar, People, and Files Microsoft 365 companion apps on December 16 and has asked admins to remove them from managed devices…

Fake LastPass Authenticator Installer Abuses Microsoft-Signed Driver to Kill Antivirus and EDR

A fake LastPass Authenticator installer offered on GitHub installs a Windows kernel driver that shuts off antivirus and other security software before a password stealer runs if a victim downloads and runs it, researchers at LastPass and Delphos Labs said on September 17. Microsoft's own hardware-compatibility program signs the driver, scored zero detections on VirusTotal when researchers…

Contagious Interview Campaign Compromises 30,000 Devices, Steals $10.71M in Crypto

The North Korean threat actors behind the Contagious Interview campaign have compromised at least 30,000 devices located in more than 100 countries and siphoned funds or account credentials from over 7,000 cryptocurrency wallets, according to a new joint cybersecurity advisory. The primary targets of the campaign are individual web designers, engineers, and specialists in cryptocurrency…

Google Fined €403 Million Over GDPR Violations Tied to Location Data

Google has been fined €403 million for breaking the EU's data protection law, the GDPR, in the way three of its features handled people's location data from May 2018 to February 2020. Ireland's Data Protection Commission (DPC), Google's lead regulator in the EU, also ordered the company to make its processing comply with the law within 6 months. The DPC has not said publicly which…

Google fined €403 million over location data privacy violations

Ireland's Data Protection Commission (DPC) has fined Google €403 million ($463M) for multiple GDPR violations related to processing users' location data…

Rogue Behavior: OpenAI Reveals More Model Misalignment Incidents

The AI giant disclosed six examples of concerning model activity and published a new framework for investigating and disclosing such incidents.

Microsoft fixes broken Excel copy and paste for all Office users

Microsoft has fixed a known issue that causes copy-and-paste failures for Excel users after installing the September 2026 security updates…

⚡ Weekly Recap: Cisco 0-Day, AI Agent RCE, ClickFix Attacks, ClickFix Surge, and Browser Hijacks

A browser. A plugin. A package. A login screen. Normal stuff. That is basically the problem this week. The trouble keeps showing up inside things people already trust: code that takes a bad turn, old payloads coming back, exposed systems, weak checks, fake fixes, and attack paths that look almost too easy. Even the research side is getting messy, with more findings, more automation, and not…

TASK#STOMP PowerShell Backdoor Steals Documents, Wi-Fi Passwords, and Clipboard Data

Cybersecurity researchers have disclosed details of a new campaign dubbed TASK#STOMP that delivers a PowerShell backdoor designed to harvest sensitive data from compromised hosts. The backdoor "automatically harvests and exfiltrates business documents, watches the filesystem for new files in real time, steals Wi-Fi passwords and clipboard contents, takes screenshots, and accepts arbitrary…

FBI's CJIS v6.1: What Security Teams Need to Know.

The FBI's CJIS Security Policy v6.1 strengthens requirements around encryption and vulnerability scanning while continuing the shift toward more continuous security assessment. Specops explains what changed and how agencies can address password, MFA, and identity requirements as they prepare for upcoming audits…

Microsoft reminds admins to migrate Entra ID users to passkeys

Microsoft has reminded admins to migrate Entra ID users to phishing-resistant authentication methods to avoid sign-in disruptions after it retires SMS first-factor sign-in starting in February 2027…

Microsoft: September updates break File History backup feature

Microsoft warned that the built-in File History backup feature in Windows may stop working on some systems after installing the September 2026 security updates…

ClickFix Lures Deploy ChainScript RAT Using Polygon to Rotate C2 Infrastructure

Threat actors are leveraging ClickFix-like lures to deliver a previously undocumented remote access trojan (RAT) called ChainScript. "ChainScript has appeared under multiple build names, including ComponentTask33, UpdateDigital, HostShared, and OrchidViolet66, while presenting itself as Spotify, Zoom Workplace, and Microsoft Teams software," Blackpoint Adversary Pursuit Group (APG)…

Jade Sleet Linked to Indian IT Provider Breach With FLATROOF and ROOFDECK Backdoors

The North Korean threat actor known as Jade Sleet has been attributed to the compromise of an India-based "much smaller organization" in the information technology (IT) services industry, once again highlighting how the adversary continues to target developers to breach target networks. Cybersecurity company SentinelOne, which disclosed details of the activity, said it involved the use of Apple…

Malicious npm packages evade install-script defenses at runtime

An ongoing npm malware campaign involving the 'indexed-btree' package shows how threat actors bypass supply chain defenses by hiding malicious code in a package's normal runtime behavior rather than in installation scripts…

Researchers escape OpenAI Codex sandbox to run commands on host

Researchers escaped OpenAI's Codex sandbox two ways, one running commands on a developer's machine from its most locked-down mode. OpenAI has patched both…

Claude Opus 5 Helped Researchers Take Over OpenAI Staff Accounts via Chained Flaws

Three researchers at the security firm Hacktron used Anthropic's Claude Opus 5 to chain two flaws and take over the ChatGPT and Codex accounts of several OpenAI employees, then reach an internal OpenAI code repository. The chain began with a bug in the software that runs OpenAI's public help forum and moved through a weakness in OpenAI's own login system. This was security research…

BragJack attacks hijack AI browser agents through malicious extensions

BragJack, a proof-of-concept attack from Forever Security's Gal Weizman, hijacks the AI assistants in Chrome, Edge, Opera Neon, Perplexity Comet, and Claude in Chrome using one malicious extension. The Prompt Forcing technique earned over $20,000 in bounties and two CVEs…

North Korean WaterPlum hackers infected 30,000 devices worldwide

A joint law enforcement advisory warns that the North Korean hacking group WaterPlum compromised at least 30,000 devices worldwide from December 2025 through July 2026 and transferred more than $10.7 million in stolen cryptocurrency to North Korea…

ShinyHunters hacks Clop leak site, threatens to extort ransomware gang

The ShinyHunters extortion gang breached the Clop (aka Cl0p) ransomware operation's data leak site, defacing the Tor site and allegedly stealing server data and the private keys for its onion service…

Can You Prove a New CVE Is Exploitable Before Attackers Do? Learn How in This Webinar

A new CVE drops. Your scanner finds it. The severity score looks ugly. But that still does not answer the question that matters: Can it actually be exploited in your environment? Mythos-class AI is compressing the time between disclosure and working exploitation, while many security programs still validate risk on weekly or quarterly cycles. The dangerous gap is no longer just technical. It is…

Identity Visibility in 2026: The Foundation of Identity Security

Identity visibility is a starting point for modern identity security, because stolen and misused credentials are among the most frequently reported initial access vectors in breach research, including Verizon's annual Data Breach Investigations Report. This article explains what identity visibility means in IAM, why cloud and multicloud environments complicate it, which capabilities matter in…

Viral AI actress' hotline face-scans every caller, watches their mood

AI actress Tilly Norwood went viral after glitching into Chinese on Piers Morgan Uncensored last night. Her "Talking Tilly" video call service face-scans every caller for an 18+ age check, senses callers' moods during calls, and shuts down permanently on September 27. We tried it and read the fine print…

SolarWinds Patches ARM Hard-Coded Key Flaw Enabling Unauthenticated RCE

SolarWinds has released security updates to address a high-severity flaw in Access Rights Manager (ARM) that, if successfully exploited, could lead to an unauthenticated remote code execution vulnerability. The vulnerability, tracked as CVE-2026-28326, is rated 8.8 out of 10.0 on the CVSS scoring system. The issue affects all versions of Access Rights Manager 2026.2 and prior. "SolarWinds…