An automated roundup of 36 notable cybersecurity article(s) from the last 36 hours, aggregated from 5 source(s). Descriptions are pulled directly from each publisher's feed; follow the links for the full articles.
Krebs on Security
Data Broker Radaris Loses Domains in Privacy Fight
The consumer data broker Radaris.com has long had a reputation for ignoring requests to remove personal information from its vast empire of people-search services online. That reputation caught up with the company recently in a lawsuit alleging Radaris violated a New Jersey…
BleepingComputer
New RatHat Android malware uses AI to automate device control
A new Android malware called RatHat has been discovered, targeting users with an AI-powered subsystem that helps operators remotely navigate compromised devices. [...]
OpenAI details more cases of AI agents taking unauthorized actions
OpenAI has presented new examples of what they call "AI model misalignment" from the past six months, including unauthorized file uploads, following self-generated instructions, hiding mistakes, and leveraging exposed API keys. [...]
Brevo supply-chain attack injected ClickFix scripts on customer sites
Brevo confirmed that attackers stole a Cloudflare API key and used it to inject malicious ClickFix scripts into its websites and JavaScript files embedded on customer sites to distribute malware. [...]
What Recent AI-Powered Attacks Mean for Your Identity Security
AI is making credential theft faster and easier to scale, giving attackers more opportunities to abuse valid identities. Specops explains why identity security must go beyond successful authentication by verifying that both the user and the device requesting access can be…
Windows 11 24H2 Home and Pro reach end of support in October
Microsoft reminded customers this week that devices running Windows 11 24H2 Home and Pro editions will stop receiving updates next month. [...]
US takes down NightmareStresser DDoS-for-hire platform
The U.S. Federal Bureau of Investigation (FBI) seized the domains used by NightmareStresser, one of the world's longest-running distributed denial-of-service (DDoS) platforms. [...]
Chinese hackers use SparroWocky malware in govt espionage attacks
The China-linked espionage group FamousSparrow has been using a new backdoor named SparroWocky in attacks on government organizations in Latin America. [...]
Microsoft shares workaround for Windows domain login issues
Microsoft shared a temporary fix on Wednesday for a known issue that prevents Windows 11 users from logging in with valid domain credentials after installing the September 2026 security updates. [...]
Cisco warns of max severity ISE zero-day exploited in attacks
Cisco has released security updates to address a maximum-severity Identity Services Engine vulnerability that attackers are actively exploiting in the wild. [...]
Anthropic wants Claude to analyze your bank account and financial data
Anthropic is testing a new personal finance feature called "Claude Money" that will allow you to connect your bank accounts directly to Claude and "understand your money." [...]
Windows 11 KB5124008 update breaks domain trust for some users
Microsoft is investigating reports that the Windows 11 KB5124008 security update is breaking domain trust relationships on some enterprise systems, preventing users from logging in with valid domain credentials. [...]
Iranian hackers use CHOSEN BRICK Windows malware to spy on targets
Government agencies are warning that Iranian state-linked hackers are using a Windows malware strain named CHOSEN BRICK to target dissidents, activists, and journalists worldwide. [...]
Malware bypasses browser checks to force install Chrome, Edge extensions
A banking malware operation active since mid-2025 has been using a toolkit named KREMLIN to install malicious Chrome and Edge extensions that steal credentials, session tokens, and sensitive data. [...]
The Hacker News
Critical Check Point Management Flaw Lets Unauthenticated Attackers Run Code as Root
A critical vulnerability in Check Point's Security Management and Log Servers could allow an attacker without login credentials to run code as root on those servers over the network. The Security Management Server is the system that controls firewall policy and administrator…
ThreatsDay: Self-Rewriting Agents, 800+ Flaws Patched, Insider SIM Swaps and 22 More New Stories
Attackers keep finding new keys. The funny part is that defenders keep inventing where to store them. This week, those keys sit in AI tools, exposed services, old bugs, weak logins, and software sold like a monthly subscription. Some attacks use new tricks. Others just reuse…
Critical Docker Sandboxes Flaw Lets Malicious Guest Code Read and Modify macOS Host Files
Malicious code running inside a Docker Sandboxes virtual machine on macOS could escape the project directory shared into it and read or change files anywhere else on the host, Docker warns in a security announcement on September 15. The escape runs with the rights of the host…
Iran-Linked Handala Hack Tied to HEAVYGRAM Telegram Backdoor That Can Steal Passwords
The Iran-linked "hacktivist" persona known as Handala Hack has been attributed to a Telegram-based surveillance backdoor called HEAVYGRAM and a Delphi-based utility known as CRUDEEXCLUDE. "HEAVYGRAM offers builtin commands supporting remote command execution, system, network and…
Critical Unbound DNSSEC Validator Flaw Could Allow RCE via a Malicious DNS Zone
Every release of the Unbound DNS resolver before 1.26.1 has a critical heap overflow in its DNSSEC validator, maintainer NLnet Labs said in an advisory on Wednesday. An attacker who controls a malicious zone and queries a vulnerable resolver can trigger it, enabling remote code…
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…
CISO's Expert Guide to Agentic Pentesting for Websites
Attackers now weaponize new vulnerabilities in about five days (Mandiant, part of Google Cloud). The median organization takes 43 days to patch one (Verizon DBIR 2026). A new free guide explains how autonomous AI agents are closing that gap, and what security leaders must demand…
China-Aligned FamousSparrow Deploys SparroWocky Backdoor Across Latin America
The China-aligned state-sponsored threat actor known as FamousSparrow has been observed deploying a previously unreported backdoor called SparroWocky in attacks targeting multiple countries in Latin America since at least August 2025. "SparroWocky is a modular, C++ backdoor,"…
OpenAI Reveals Six Model Incidents Involving Hidden Failures and Unauthorized Uploads
OpenAI on Wednesday disclosed six new instances of "unexpected or concerning model behavior" that took place over the past six months, while sharing a new framework for reporting, tracking, investigating, and disclosing model misalignment in a bid to improve transparency. "As AI…
BIND 9 Update Fixes 14 Flaws, Including an Unauthenticated Crash Over DNS-over-HTTPS
The Internet Systems Consortium (ISC) has released BIND 9.20.29 and 9.21.26 to fix fourteen security flaws it disclosed on 16 September in BIND 9, its open-source DNS server software. One of them affects any BIND server that answers DNS-over-HTTPS (DoH). A sender with no…
Gyazo Breach Exposes 23.62 Million User Records and 490 Million Image Metadata Records
A security breach at Gyazo, Helpfeel's image-sharing service, exposed about 23.62 million user records, including email addresses and password hashes, the Kyoto-based company said in a notice published Wednesday. It also exposed about 490 million image metadata records, mostly…
Cisco Warns of New Zero-Day ISE Auth Bypass (CVSS 10.0) Exploited in Active Attacks
Cisco has warned of a fresh maximum-severity security flaw impacting Identity Services Engine (ISE) that has come under active exploitation. The vulnerability, tracked as CVE-2026-76460 (CVSS score: 10.0), could allow an unauthenticated, remote attacker to bypass authentication.…
U.S. Seizes NightmareStresser Domains Linked to Hundreds of Thousands of DDoS Attacks
The U.S. Department of Justice (DoJ) on Tuesday announced the court-authorized seizure of internet domains associated with a distributed denial-of-service (DDoS)-for-hire service known as NightmareStresser. The domains in question are: nightmare-stresser[.]com and…
Dark Reading
CISA Ditches Weekly Vulnerability Roundups for Risk-Based Focus
The move is consistent with the agency's advice on the need for organizations to prioritize the vulnerabilities that actually matter.
China's FamousSparrow APT Spies on US Politics in Latin America
Amid the US and China's fight for eco-colonial influence in Latin America, a stealthy backdoor has taken flight.
[Virtual Event] Cybersecurity Outlook 2027
AI Security Spending Jumps as Fear Outpaces Proof of Value
CISOs are not waiting for AI to prove its cybersecurity value before investing in the technology. Is it the right move?
Fighting Your Dragons Through Tough Tech Times
Cybersecurity industry veteran Hal Pomeranz gives a pep talk on career anxiety and self-doubt and shares how to build meaningful connections during historical tech industry downturns.
SANS Internet Storm Center
LausivLoader analysis, or how to pass data between malware stages, (Thu, Sep 17th)
At the end of August, a malspam message was caught in the quarantine of a mail gateway operated by one of my customers. The message was not especially remarkable – it asked the recipient to review some attached requirements and provide a price quotation for a fiber optic…
Scans Targeting Hospitality Applications, (Wed, Sep 16th)
Earlier today, I noted an odd request showing up in our "First Seen" report: